Add config option to show real-time network info in UI

Profiling can be enabled with the -s run option

.cirrus.yml

@@ -0,0 +1,12 @@
+---
+bazel-opt_task:
+  container:
+    image: toxchat/toktok-stack:latest-release
+    cpu: 2
+    memory: 2G
+  configure_script:
+    - /src/workspace/tools/inject-repo toxic
+  test_all_script:
+    - cd /src/workspace && bazel test -k
+        --remote_http_cache=http://$CIRRUS_HTTP_CACHE_HOST
+        //toxic/...

.github/settings.yml

@@ -11,7 +11,9 @@ branches:
     protection:
       required_status_checks:
         contexts:
-          - Codacy/PR Quality Review
+          - build
-          - CodeFactor
+          - build-static
-          - Travis CI - Pull Request
+          - bazel-opt
+          - Codacy Static Code Analysis
           - code-review/reviewable
+          - infer

.github/workflows/ci.yml

@@ -0,0 +1,125 @@
+name: ci
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install dependencies
+        run:
+          sudo apt-get update &&
+          sudo apt-get install -y --no-install-recommends
+            libalut-dev
+            libconfig-dev
+            libcurl4-gnutls-dev
+            libmsgpack-dev
+            libnotify-dev
+            libopenal-dev
+            libopus-dev
+            libqrencode-dev
+            libsodium-dev
+            libvpx-dev
+            libx11-dev
+            python3-dev
+            pkg-config &&
+          git clone --depth=1 https://github.com/TokTok/c-toxcore &&
+          cd c-toxcore &&
+          cmake . -B_build -DBOOTSTRAP_DAEMON=OFF &&
+          cd _build &&
+          make -j4 &&
+          sudo make install
+
+      - name: Build toxic
+        run: make -j4
+
+  build-static:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Build minimal static toxic binary
+        run: docker run --rm
+          -v /tmp/artifact:/artifact
+          -v $PWD:/toxic
+          amd64/alpine:latest
+          sh -c 'yes | /toxic/script/build-minimal-static-toxic.sh'
+      - name: Display binary checksum
+        run: |
+          tar Jxf /tmp/artifact/toxic-minimal-static-musl_linux_x86-64.tar.xz
+          sha256sum toxic-minimal-static-musl_linux_x86-64/toxic
+
+  infer:
+    runs-on: ubuntu-latest
+    container: toxchat/infer
+    steps:
+      - name: Install git
+        run:
+          apt-get update &&
+          DEBIAN_FRONTEND=noninteractive
+          apt-get install -y --no-install-recommends
+            git
+      - name: Install dependencies
+        run:
+          apt-get update &&
+          apt-get install -y --no-install-recommends
+            cmake
+            g++
+            libalut-dev
+            libconfig-dev
+            libcurl4-gnutls-dev
+            libmsgpack-dev
+            libncurses-dev
+            libnotify-dev
+            libopenal-dev
+            libopus-dev
+            libqrencode-dev
+            libsodium-dev
+            libvpx-dev
+            libx11-dev
+            make
+            python3-dev
+            pkg-config &&
+          git clone --depth=1 https://github.com/TokTok/c-toxcore &&
+          cd c-toxcore &&
+          cmake . -B_build -DBOOTSTRAP_DAEMON=OFF &&
+          cd _build &&
+          make -j4 &&
+          make install
+      - uses: actions/checkout@v2
+
+      - name: Run infer
+        run:
+          infer --no-progress-bar -- cc src/*.c
+            -fsyntax-only
+            $(python3-config --includes --ldflags)
+            $(pkg-config --cflags --libs
+              freealut
+              libconfig
+              libcurl
+              libnotify
+              libpng
+              libqrencode
+              msgpack
+              ncurses
+              openal
+              python3
+              toxcore
+              vpx
+              x11)
+            -DAUDIO
+            -DBOX_NOTIFY
+            -DGAMES
+            -DPACKAGE_DATADIR='""'
+            -DPYTHON
+            -DQRCODE
+            -DSOUND_NOTIFY
+            -DVIDEO
+      - name: Print log
+        run:
+          cat /__w/toxic/toxic/infer-out/report.txt

.travis.yml

@@ -1,60 +0,0 @@
----
-language: python
-python: nightly
-dist: xenial
-os: linux
-
-jobs:
-  include:
-    - env: JOB=linux
-
-      addons:
-        apt:
-          packages:
-            - libalut-dev
-            - libconfig-dev
-            - libnotify-dev
-            - libopenal-dev
-            - libopus-dev
-            - libqrencode-dev
-            - libvpx-dev
-
-      cache:
-        directories:
-          - $HOME/cache
-
-      install:
-        # Where to find libraries.
-        - export LD_LIBRARY_PATH=$HOME/cache/usr/lib
-        - export PKG_CONFIG_PATH=$HOME/cache/usr/lib/pkgconfig
-        # c-sodium
-        - git clone --depth=1 --branch=stable https://github.com/jedisct1/libsodium ../libsodium
-        - test -f $HOME/cache/usr/lib/libsodium.so || (cd ../libsodium && ./configure --prefix=$HOME/cache/usr && make install -j$(nproc))
-        # c-toxcore
-        - git clone --depth=1 https://github.com/TokTok/c-toxcore ../c-toxcore
-        - test -f $HOME/cache/usr/lib/libtoxcore.so || (cd ../c-toxcore && cmake -B_build -H. -DCMAKE_INSTALL_PREFIX:PATH=$HOME/cache/usr && make -C_build install -j$(nproc))
-
-      script:
-        - make ENABLE_PYTHON=1 -j$(nproc)
-
-    - env: JOB=macos
-      os: macos
-      language: c
-
-      cache:
-        directories:
-          - $HOME/cache
-
-      install:
-        - brew install
-          freealut
-          libconfig
-          libqrencode
-          libsodium
-          openal-soft
-        - export LDFLAGS="-L/usr/local/Cellar/openal-soft/1.21.0/lib"
-        - git clone --depth=1 https://github.com/TokTok/c-toxcore ../c-toxcore
-        - test -f /usr/local/lib/libtoxcore.dylib || (cd ../c-toxcore && cmake -B_build -H. && make -C_build install -j$(nproc))
-
-      script:
-        - make ENABLE_PYTHON=1 DISABLE_DESKTOP_NOTIFY=1 DISABLE_X11=1 DISABLE_AV=1 DISABLE_SOUND_NOTIFY=1 -j$(nproc)

BUILD.bazel

@@ -1,6 +1,8 @@
 load("@rules_cc//cc:defs.bzl", "cc_binary")
 load("//tools/project:build_defs.bzl", "project")
 
+package(features = ["layering_check"])
+
 project()
 
 cc_binary(
@@ -18,6 +20,7 @@ cc_binary(
     copts = [
         "-std=gnu99",
         "-DAUDIO",
+        "-DGAMES",
         "-DPACKAGE_DATADIR='\"data\"'",
         "-DPYTHON",
         "-DQRCODE",
@@ -39,3 +42,10 @@ cc_binary(
         "//tools/config:osx": [],
     }),
 )
+
+sh_test(
+    name = "toxic_test",
+    size = "small",
+    srcs = [":toxic"],
+    args = ["--help"],
+)

Makefile

@@ -14,7 +14,7 @@ LDFLAGS += ${USER_LDFLAGS}
 
 OBJ = autocomplete.o avatars.o bootstrap.o chat.o chat_commands.o configdir.o curl_util.o execute.o
 OBJ += file_transfers.o friendlist.o global_commands.o conference_commands.o conference.o help.o input.o line_info.o
-OBJ += log.o message_queue.o misc_tools.o name_lookup.o notify.o prompt.o qr_code.o settings.o
+OBJ += log.o message_queue.o misc_tools.o name_lookup.o netprof.o notify.o prompt.o qr_code.o settings.o
 OBJ += term_mplex.o toxic.o toxic_strings.o windows.o
 
 # Check if debug build is enabled

apidoc/python/source/conf.py

@@ -55,9 +55,9 @@ author = 'Jakob Kreuze'
 # built documents.
 #
 # The short X.Y version.
-version = '0.11.2'
+version = '0.11.3'
 # The full version, including alpha/beta/rc tags.
-release = '0.11.2'
+release = '0.11.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -151,4 +151,4 @@ texinfo_documents = [
     (master_doc, 'toxic_api', 'toxic_api Documentation',
      author, 'toxic_api', 'One line description of project.',
      'Miscellaneous'),
-]
+]

cfg/global_vars.mk

@@ -1,5 +1,5 @@
 # Version
-TOXIC_VERSION = 0.11.2
+TOXIC_VERSION = 0.11.3
 REV = $(shell git rev-list HEAD --count 2>/dev/null || echo -n "error")
 ifneq (, $(findstring error, $(REV)))
     VERSION = $(TOXIC_VERSION)

doc/toxic.conf.5

@@ -138,6 +138,11 @@ Show welcome message on startup\&. true or false
 Enable friend connection change notifications\&. true or false
 .RE
 .PP
+\fBshow_network_info\fR
+.RS 4
+Show network information in the UI home window\&. true or false
+.RE
+.PP
 \fBnodelist_update_freq\fR
 .RS 4
 How often in days to update the DHT nodes list\&. (integer; 0 to disable)

doc/toxic.conf.5.asc

@@ -87,6 +87,9 @@ OPTIONS
     *show_connection_msg*;;
         Enable friend connection change notifications. true or false
 
+    *show_network_info*;;
+        Show network information in the UI home window. true or false
+
     *nodelist_update_freq*;;
         How often in days to update the DHT nodes list. (integer; 0 to disable)
 

misc/toxic.conf.example

@@ -56,6 +56,9 @@ ui = {
   // true to show friend connection change messages on the home screen
   show_connection_msg=true;
 
+  // true to show network information in the UI home window
+  show_network_info=true;
+
   // How often in days to update the DHT nodes list. (0 to disable updates)
   nodeslist_update_freq=7;
 

script/build-minimal-static-toxic.sh

@@ -2,7 +2,7 @@
 
 # MIT License
 #
-# Copyright (c) 2021 Maxim Biro <nurupo.contributions@gmail.com>
+# Copyright (c) 2021-2022 Maxim Biro <nurupo.contributions@gmail.com>
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -36,8 +36,19 @@
 #
 # that would use Toxic code from /home/jfreegman/git/toxic and place the build
 # artifact at /tmp/artifact.
-# You can change between amd64/alpine:latest and i386/alpine:latest, for 64-bit
+#
-# and 32-bit builds.
+# You can change between:
+#   amd64/alpine:latest,
+#   i386/alpine:latest,
+#   arm64v8/alpine:latest,
+#   arm32v7/alpine:latest,
+#   arm32v6/alpine:latest,
+#   ppc64le/alpine:latest,
+#   s390x/alpine:latest,
+#   etc.
+# as long as your system can run foreign architecture binaries, e.g. via qemu
+# static bins and binfmt (install qemu-user-static package on Debian/Ubuntu).
+#
 #
 # To debug, run:
 #
@@ -53,13 +64,6 @@ set -eu
 ARTIFACT_DIR="/artifact"
 TOXIC_SRC_DIR="/toxic"
 
-# Make sure we run in the expected environment
-if ! grep -q 'docker' /proc/1/cgroup
-then
-  echo "Error: This script should be run inside a disposable Docker container as it might modify system files in ways that would break a real system."
-  exit 1
-fi
-
 if [ ! -f /etc/os-release ] || ! grep -qi 'Alpine Linux' /etc/os-release
 then
   echo "Error: This script expects to be run on Alpine Linux."
@@ -110,6 +114,7 @@ apk add \
     libsodium-dev \
     libsodium-static \
     linux-headers \
+    msgpack-c-dev \
     ncurses-dev \
     ncurses-static \
     ncurses-terminfo \
@@ -132,10 +137,10 @@ mkdir -p "$BUILD_DIR"
 cd "$BUILD_DIR"
 
 # The git hash of the c-toxcore version we're using
-TOXCORE_VERSION="25a56c354937e9c8c4c50a64c3b4cfc099c34e29"
+TOXCORE_VERSION="v0.2.16"
 
 # The sha256sum of the c-toxcore tarball for TOXCORE_VERSION
-TOXCORE_HASH="8448752e6286c747130254571fde2db8e2fc073a8116f9fff489ed53af546c0a"
+TOXCORE_HASH="653aa42654b607f0940cecfac873e9ce55605119a90d1dc454d1090ff6ca29c0"
 
 TOXCORE_FILENAME="c-toxcore-$TOXCORE_VERSION.tar.gz"
 
@@ -164,8 +169,8 @@ cmake --build _build --target install
 # location with SSL_CERT_FILE env variable.
 cd "$BUILD_DIR"
 
-CURL_VERSION="7.77.0"
+CURL_VERSION="7.81.0"
-CURL_HASH="b0a3428acb60fa59044c4d0baae4e4fc09ae9af1d8a3aa84b2e3fbcd99841f77"
+CURL_HASH="ac8e1087711084548d788ef18b9b732c8de887457b81f616fc681d1044b32f98"
 CURL_FILENAME="curl-$CURL_VERSION.tar.gz"
 
 wget --timeout=10 -O "$CURL_FILENAME" "https://curl.haxx.se/download/$CURL_FILENAME"
@@ -186,7 +191,8 @@ cd curl*
   --with-openssl
 make
 make install
-sed -i 's|-lbrotlidec |-lbrotlidec-static -lbrotlicommon-static |g' $BUILD_DIR/prefix-curl/lib/pkgconfig/libcurl.pc
+sed -i 's|-lbrotlidec |-lbrotlidec -lbrotlicommon |g' $BUILD_DIR/prefix-curl/lib/pkgconfig/libcurl.pc
+
 
 # Build Toxic
 cd "$BUILD_DIR"
@@ -301,4 +307,3 @@ mv "$PREPARE_ARTIFACT_DIR" "$PREPARE_ARTIFACT_DIR/../$ARTIFACT_NAME"
 tar -cJf "$ARTIFACT_NAME.tar.xz" "$ARTIFACT_NAME"
 mv "$ARTIFACT_NAME.tar.xz" "$ARTIFACT_DIR"
 chmod 777 -R "$ARTIFACT_DIR"
-

src/api.c

@@ -41,9 +41,6 @@ Tox              *user_tox;
 static WINDOW    *cur_window;
 static ToxWindow *self_window;
 
-extern FriendsList Friends;
-extern struct user_settings *user_settings;
-
 void api_display(const char *const msg)
 {
     if (msg == NULL) {

src/audio_call.c

@@ -60,14 +60,8 @@
 #endif /* ALC_ALL_DEVICES_SPECIFIER */
 #endif /* __APPLE__ */
 
-extern FriendsList Friends;
-extern ToxWindow *windows[MAX_WINDOWS_NUM];
-
 struct CallControl CallControl;
 
-extern struct user_settings *user_settings;
-extern struct Winthread Winthread;
-
 void on_call(ToxAV *av, uint32_t friend_number, bool audio_enabled, bool video_enabled,
              void *user_data);
 void on_call_state(ToxAV *av, uint32_t friend_number, uint32_t state, void *user_data);

src/audio_device.c

@@ -530,7 +530,7 @@ static DeviceError open_device(DeviceType type, uint32_t *device_idx, DataHandle
         device->cb_data = cb_data;
 #ifdef AUDIO
 
-        if (user_settings->VAD_threshold >= 0.0f) {
+        if (user_settings->VAD_threshold >= 0.0) {
             device->VAD_threshold = user_settings->VAD_threshold;
         }
 

src/autocomplete.c

@@ -56,7 +56,7 @@ static void print_ac_matches(ToxWindow *self, Tox *m, char **list, size_t n_matc
  *
  * Returns the length of the match.
  */
-static size_t get_str_match(ToxWindow *self, char *match, size_t match_sz, const char **matches, size_t n_items,
+static size_t get_str_match(ToxWindow *self, char *match, size_t match_sz, const char *const *matches, size_t n_items,
                             size_t max_size)
 {
     UNUSED_VAR(self);
@@ -96,7 +96,7 @@ static size_t get_str_match(ToxWindow *self, char *match, size_t match_sz, const
  *
  * Note: This function should not be called directly. Use complete_line() and complete_path() instead.
  */
-static int complete_line_helper(ToxWindow *self, const char **list, const size_t n_items, bool dir_search)
+static int complete_line_helper(ToxWindow *self, const char *const *list, const size_t n_items, bool dir_search)
 {
     ChatContext *ctx = self->chatwin;
 
@@ -181,7 +181,7 @@ static int complete_line_helper(ToxWindow *self, const char **list, const size_t
     }
 
     char match[MAX_STR_SIZE];
-    size_t match_len = get_str_match(self, match, sizeof(match), (const char **) matches, n_matches, MAX_STR_SIZE);
+    size_t match_len = get_str_match(self, match, sizeof(match), (const char *const *) matches, n_matches, MAX_STR_SIZE);
 
     free_ptr_array((void **) matches);
 
@@ -259,12 +259,12 @@ static int complete_line_helper(ToxWindow *self, const char **list, const size_t
     return diff;
 }
 
-int complete_line(ToxWindow *self, const char **list, size_t n_items)
+int complete_line(ToxWindow *self, const char *const *list, size_t n_items)
 {
     return complete_line_helper(self, list, n_items, false);
 }
 
-static int complete_path(ToxWindow *self, const char **list, const size_t n_items)
+static int complete_path(ToxWindow *self, const char *const *list, const size_t n_items)
 {
     return complete_line_helper(self, list, n_items, true);
 }
@@ -385,7 +385,7 @@ int dir_match(ToxWindow *self, Tox *m, const wchar_t *line, const wchar_t *cmd)
         print_ac_matches(self, m, dirnames, dircount);
     }
 
-    int ret = complete_path(self, (const char **) dirnames, dircount);
+    int ret = complete_path(self, (const char *const *) dirnames, dircount);
 
     free_ptr_array((void **) dirnames);
 

src/bootstrap.c

@@ -39,9 +39,7 @@
 #include "settings.h"
 #include "windows.h"
 
-extern struct arg_opts arg_opts;
 extern struct user_settings *user_settings;
-extern struct Winthread Winthread;
 
 /* URL that we get the JSON encoded nodes list from. */
 #define NODES_LIST_URL "https://nodes.tox.chat/json"
@@ -59,7 +57,6 @@ extern struct Winthread Winthread;
 
 #define IP_MAX_SIZE 45
 #define IP_MIN_SIZE 7
-#define PORT_MAX_SIZE 5
 
 #define LAST_SCAN_JSON_KEY "\"last_scan\":"
 #define LAST_SCAN_JSON_KEY_LEN (sizeof(LAST_SCAN_JSON_KEY) - 1)

src/chat.c

@@ -58,12 +58,6 @@
 #endif /* VIDEO */
 #endif /* AUDIO */
 
-extern char *DATA_FILE;
-extern FriendsList Friends;
-
-extern struct Winthread Winthread;
-extern struct user_settings *user_settings;
-
 #ifdef AUDIO
 static void init_infobox(ToxWindow *self);
 static void kill_infobox(ToxWindow *self);
@@ -136,7 +130,7 @@ static void set_self_typingstatus(ToxWindow *self, Tox *m, bool is_typing)
 
     ChatContext *ctx = self->chatwin;
 
-    TOX_ERR_SET_TYPING err;
+    Tox_Err_Set_Typing err;
     tox_self_set_typing(m, self->num, is_typing, &err);
 
     if (err != TOX_ERR_SET_TYPING_OK) {
@@ -254,6 +248,7 @@ static void chat_onConnectionChange(ToxWindow *self, Tox *m, uint32_t num, Tox_C
 
     if (prev_status == TOX_CONNECTION_NONE) {
         chat_resume_file_senders(self, m, num);
+        file_send_queue_check(self, m, self->num);
 
         msg = "has come online";
         line_info_add(self, true, nick, NULL, CONNECTION, 0, GREEN, msg);
@@ -681,8 +676,10 @@ static void chat_onFileRecv(ToxWindow *self, Tox *m, uint32_t friendnum, uint32_
     FILE *filecheck = NULL;
     int count = 1;
 
-    while ((filecheck = fopen(file_path, "r"))) {
+    while ((filecheck = fopen(file_path, "r")) || file_transfer_recv_path_exists(file_path)) {
-        fclose(filecheck);
+        if (filecheck) {
+            fclose(filecheck);
+        }
 
         file_path[path_len] = '\0';
         char d[5];
@@ -798,12 +795,7 @@ void chat_onGameInvite(ToxWindow *self, Tox *m, uint32_t friend_number, const ui
         return;
     }
 
-    Friends.list[friend_number].game_invite.type = type;
-    Friends.list[friend_number].game_invite.id = id;
-    Friends.list[friend_number].game_invite.pending = true;
-
     uint32_t data_length = length - GAME_PACKET_HEADER_SIZE;
-    Friends.list[friend_number].game_invite.data_length = data_length;
 
     if (data_length > 0) {
         free(Friends.list[friend_number].game_invite.data);
@@ -818,6 +810,11 @@ void chat_onGameInvite(ToxWindow *self, Tox *m, uint32_t friend_number, const ui
         Friends.list[friend_number].game_invite.data = buf;
     }
 
+    Friends.list[friend_number].game_invite.type = type;
+    Friends.list[friend_number].game_invite.id = id;
+    Friends.list[friend_number].game_invite.pending = true;
+    Friends.list[friend_number].game_invite.data_length = data_length;
+
     char name[TOX_MAX_NAME_LENGTH];
     get_nick_truncate(m, name, friend_number);
 
@@ -1270,9 +1267,16 @@ static void chat_onDraw(ToxWindow *self, Tox *m)
     }
 
     ChatContext *ctx = self->chatwin;
+    StatusBar *statusbar = self->stb;
 
     pthread_mutex_lock(&Winthread.lock);
+
     line_info_print(self);
+
+    Tox_Connection connection = statusbar->connection;
+    Tox_User_Status status = statusbar->status;
+    const bool is_typing = Friends.list[self->num].is_typing;
+
     pthread_mutex_unlock(&Winthread.lock);
 
     wclear(ctx->linewin);
@@ -1283,14 +1287,6 @@ static void chat_onDraw(ToxWindow *self, Tox *m)
 
     curs_set(1);
 
-    /* Draw status bar */
-    StatusBar *statusbar = self->stb;
-
-    pthread_mutex_lock(&Winthread.lock);
-    Tox_Connection connection = statusbar->connection;
-    Tox_User_Status status = statusbar->status;
-    pthread_mutex_unlock(&Winthread.lock);
-
     wmove(statusbar->topline, 0, 0);
 
     wattron(statusbar->topline, COLOR_PAIR(BAR_ACCENT));
@@ -1318,13 +1314,13 @@ static void chat_onDraw(ToxWindow *self, Tox *m)
     }
 
     wattron(statusbar->topline, COLOR_PAIR(BAR_ACCENT));
-    wprintw(statusbar->topline, "]");
+    wprintw(statusbar->topline, "] ");
     wattroff(statusbar->topline, COLOR_PAIR(BAR_ACCENT));
 
-    if (status != TOX_USER_STATUS_NONE) {
+    const char *status_text = "ERROR";
-        const char *status_text = "ERROR";
+    int colour = BAR_TEXT;
-        int colour = MAGENTA;
 
+    if (connection != TOX_CONNECTION_NONE) {
         switch (status) {
             case TOX_USER_STATUS_AWAY:
                 colour = STATUS_AWAY;
@@ -1339,9 +1335,11 @@ static void chat_onDraw(ToxWindow *self, Tox *m)
             default:
                 break;
         }
+    }
 
+    if (colour != BAR_TEXT) {
         wattron(statusbar->topline, COLOR_PAIR(BAR_ACCENT));
-        wprintw(statusbar->topline, " [");
+        wprintw(statusbar->topline, "[");
         wattroff(statusbar->topline, COLOR_PAIR(BAR_ACCENT));
 
         wattron(statusbar->topline, COLOR_PAIR(colour) | A_BOLD);
@@ -1351,30 +1349,23 @@ static void chat_onDraw(ToxWindow *self, Tox *m)
         wattron(statusbar->topline, COLOR_PAIR(BAR_ACCENT));
         wprintw(statusbar->topline, "] ");
         wattroff(statusbar->topline, COLOR_PAIR(BAR_ACCENT));
+    }
 
-        pthread_mutex_lock(&Winthread.lock);
+    if (is_typing) {
-        const bool is_typing = Friends.list[self->num].is_typing;
+        wattron(statusbar->topline, A_BOLD | COLOR_PAIR(BAR_NOTIFY));
-        pthread_mutex_unlock(&Winthread.lock);
-
-        if (is_typing) {
-            wattron(statusbar->topline, A_BOLD | COLOR_PAIR(BAR_NOTIFY));
-        } else {
-            wattron(statusbar->topline, COLOR_PAIR(BAR_TEXT));
-        }
-
-        wprintw(statusbar->topline, "%s", statusbar->nick);
-
-        if (is_typing) {
-            wattroff(statusbar->topline, A_BOLD | COLOR_PAIR(BAR_NOTIFY));
-        } else {
-            wattroff(statusbar->topline, A_BOLD | COLOR_PAIR(BAR_TEXT));
-        }
     } else {
         wattron(statusbar->topline, COLOR_PAIR(BAR_TEXT));
-        wprintw(statusbar->topline, " %s", statusbar->nick);
-        wattroff(statusbar->topline, COLOR_PAIR(BAR_TEXT));
     }
 
+    wprintw(statusbar->topline, "%s", statusbar->nick);
+
+    if (is_typing) {
+        wattroff(statusbar->topline, A_BOLD | COLOR_PAIR(BAR_NOTIFY));
+    } else {
+        wattroff(statusbar->topline, A_BOLD | COLOR_PAIR(BAR_TEXT));
+    }
+
+
     /* Reset statusbar->statusmsg on window resize */
     if (x2 != self->x) {
         char statusmsg[TOX_MAX_STATUS_MESSAGE_LENGTH] = {'\0'};
@@ -1394,7 +1385,7 @@ static void chat_onDraw(ToxWindow *self, Tox *m)
     self->x = x2;
 
     /* Truncate note if it doesn't fit in statusbar */
-    size_t maxlen = x2 - getcurx(statusbar->topline) - (KEY_IDENT_DIGITS * 2) - 6;
+    size_t maxlen = x2 - getcurx(statusbar->topline) - KEY_IDENT_BYTES - 6;
 
     pthread_mutex_lock(&Winthread.lock);
     size_t statusmsg_len = statusbar->statusmsg_len;
@@ -1425,10 +1416,10 @@ static void chat_onDraw(ToxWindow *self, Tox *m)
     int s_x;
     getyx(statusbar->topline, s_y, s_x);
 
-    mvwhline(statusbar->topline, s_y, s_x, ' ', x2 - s_x - (KEY_IDENT_DIGITS * 2) - 3);
+    mvwhline(statusbar->topline, s_y, s_x, ' ', x2 - s_x - KEY_IDENT_BYTES  - 3);
     wattroff(statusbar->topline, COLOR_PAIR(BAR_TEXT));
 
-    wmove(statusbar->topline, 0, x2 - (KEY_IDENT_DIGITS * 2) - 3);
+    wmove(statusbar->topline, 0, x2 - KEY_IDENT_BYTES  - 3);
 
     wattron(statusbar->topline, COLOR_PAIR(BAR_ACCENT));
     wprintw(statusbar->topline, "{");
@@ -1436,7 +1427,7 @@ static void chat_onDraw(ToxWindow *self, Tox *m)
 
     wattron(statusbar->topline, COLOR_PAIR(BAR_TEXT));
 
-    for (size_t i = 0; i < KEY_IDENT_DIGITS; ++i) {
+    for (size_t i = 0; i < KEY_IDENT_BYTES / 2; ++i) {
         wprintw(statusbar->topline, "%02X", Friends.list[self->num].pub_key[i] & 0xff);
     }
 

src/chat_commands.c

@@ -54,7 +54,13 @@ void cmd_cancelfile(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*ar
         return;
     }
 
-    struct FileTransfer *ft = NULL;
+    // first check transfer queue
+    if (file_send_queue_remove(self->num, idx) == 0) {
+        line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Pending file transfer removed from queue");
+        return;
+    }
+
+    FileTransfer *ft = NULL;
 
     /* cancel an incoming file transfer */
     if (strcasecmp(inoutstr, "in") == 0) {
@@ -239,7 +245,7 @@ void cmd_savefile(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv
         return;
     }
 
-    struct FileTransfer *ft = get_file_transfer_struct_index(self->num, idx, FILE_TRANSFER_RECV);
+    FileTransfer *ft = get_file_transfer_struct_index(self->num, idx, FILE_TRANSFER_RECV);
 
     if (!ft) {
         line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "No pending file transfers with that ID.");
@@ -324,7 +330,7 @@ void cmd_sendfile(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv
     FILE *file_to_send = fopen(path, "r");
 
     if (file_to_send == NULL) {
-        line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "File not found.");
+        line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "File `%s` not found.", path);
         return;
     }
 
@@ -347,7 +353,7 @@ void cmd_sendfile(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv
         goto on_send_error;
     }
 
-    struct FileTransfer *ft = new_file_transfer(self, self->num, filenum, FILE_TRANSFER_SEND, TOX_FILE_KIND_DATA);
+    FileTransfer *ft = new_file_transfer(self, self->num, filenum, FILE_TRANSFER_SEND, TOX_FILE_KIND_DATA);
 
     if (!ft) {
         err = TOX_ERR_FILE_SEND_TOO_MANY;
@@ -367,29 +373,62 @@ void cmd_sendfile(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv
 
 on_send_error:
 
+    fclose(file_to_send);
+
     switch (err) {
-        case TOX_ERR_FILE_SEND_FRIEND_NOT_FOUND:
+        case TOX_ERR_FILE_SEND_FRIEND_NOT_FOUND: {
             errmsg = "File transfer failed: Invalid friend.";
             break;
+        }
 
-        case TOX_ERR_FILE_SEND_FRIEND_NOT_CONNECTED:
+        case TOX_ERR_FILE_SEND_FRIEND_NOT_CONNECTED: {
-            errmsg = "File transfer failed: Friend is offline.";
+            int queue_idx = file_send_queue_add(self->num, path, path_len);
-            break;
 
-        case TOX_ERR_FILE_SEND_NAME_TOO_LONG:
+            char msg[MAX_STR_SIZE];
+
+            switch (queue_idx) {
+                case -1: {
+                    snprintf(msg, sizeof(msg), "Invalid file name: path is null or length is zero.");
+                    break;
+                }
+
+                case -2: {
+                    snprintf(msg, sizeof(msg), "File name is too long.");
+                    break;
+                }
+
+                case -3: {
+                    snprintf(msg, sizeof(msg), "File send queue is full.");
+                    break;
+                }
+
+                default: {
+                    snprintf(msg, sizeof(msg), "File transfer queued. Type \"/cancel out %d\" to cancel.", queue_idx);
+                    break;
+                }
+            }
+
+            line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "%s", msg);
+
+            return;
+        }
+
+        case TOX_ERR_FILE_SEND_NAME_TOO_LONG: {
             errmsg = "File transfer failed: Filename is too long.";
             break;
+        }
 
-        case TOX_ERR_FILE_SEND_TOO_MANY:
+        case TOX_ERR_FILE_SEND_TOO_MANY: {
             errmsg = "File transfer failed: Too many concurrent file transfers.";
             break;
+        }
 
-        default:
+        default: {
             errmsg = "File transfer failed.";
             break;
+        }
     }
 
     line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "%s", errmsg);
     tox_file_control(m, self->num, filenum, TOX_FILE_CONTROL_CANCEL, NULL);
-    fclose(file_to_send);
 }

src/conference.c

@@ -63,8 +63,6 @@
 #include "toxic_strings.h"
 #include "windows.h"
 
-extern char *DATA_FILE;
-
 #define MAX_CONFERENCE_NUM (MAX_WINDOWS_NUM - 2)
 #define CONFERENCE_EVENT_WAIT 30
 

src/execute.c

@@ -117,15 +117,8 @@ static struct cmd_func conference_commands[] = {
     { NULL,         NULL             },
 };
 
-
-#ifdef PYTHON
-#define SPECIAL_COMMANDS 8
-#else
-#define SPECIAL_COMMANDS 7
-#endif /* PYTHON */
-
 /* Special commands are commands that only take one argument even if it contains spaces */
-static const char special_commands[SPECIAL_COMMANDS][MAX_CMDNAME_SIZE] = {
+static const char special_commands[][MAX_CMDNAME_SIZE] = {
     "/add",
     "/avatar",
     "/nick",
@@ -136,6 +129,7 @@ static const char special_commands[SPECIAL_COMMANDS][MAX_CMDNAME_SIZE] = {
     "/sendfile",
     "/title",
     "/mute",
+    "",
 };
 
 /* Returns true if input command is in the special_commands array. */
@@ -143,7 +137,7 @@ static bool is_special_command(const char *input)
 {
     const int s = char_find(0, input, ' ');
 
-    for (int i = 0; i < SPECIAL_COMMANDS; ++i) {
+    for (int i = 0; special_commands[i][0] != '\0'; ++i) {
         if (strncmp(input, special_commands[i], s) == 0) {
             return true;
         }

src/file_transfers.c

@@ -25,6 +25,7 @@
 #include <time.h>
 #include <unistd.h>
 
+#include "execute.h"
 #include "file_transfers.h"
 #include "friendlist.h"
 #include "line_info.h"
@@ -44,9 +45,8 @@ extern FriendsList Friends;
 void init_progress_bar(char *progline)
 {
     strcpy(progline, "0% [");
-    int i;
 
-    for (i = 0; i < NUM_PROG_MARKS; ++i) {
+    for (size_t i = 0; i < NUM_PROG_MARKS; ++i) {
         strcat(progline, "-");
     }
 
@@ -98,7 +98,7 @@ void print_progress_bar(ToxWindow *self, double bps, double pct_done, uint32_t l
     free(full_line);
 }
 
-static void refresh_progress_helper(ToxWindow *self, struct FileTransfer *ft)
+static void refresh_progress_helper(ToxWindow *self, FileTransfer *ft)
 {
     if (ft->state == FILE_TRANSFER_INACTIVE) {
         return;
@@ -126,8 +126,8 @@ bool refresh_file_transfer_progress(ToxWindow *self, uint32_t friendnumber)
     bool active = false;
 
     for (size_t i = 0; i < MAX_FILES; ++i) {
-        struct FileTransfer *ft_r = &Friends.list[friendnumber].file_receiver[i];
+        FileTransfer *ft_r = &Friends.list[friendnumber].file_receiver[i];
-        struct FileTransfer *ft_s = &Friends.list[friendnumber].file_sender[i];
+        FileTransfer *ft_s = &Friends.list[friendnumber].file_sender[i];
 
         refresh_progress_helper(self, ft_r);
         refresh_progress_helper(self, ft_s);
@@ -140,9 +140,9 @@ bool refresh_file_transfer_progress(ToxWindow *self, uint32_t friendnumber)
     return active;
 }
 
-static void clear_file_transfer(struct FileTransfer *ft)
+static void clear_file_transfer(FileTransfer *ft)
 {
-    *ft = (struct FileTransfer) {
+    *ft = (FileTransfer) {
         0
     };
 }
@@ -150,16 +150,16 @@ static void clear_file_transfer(struct FileTransfer *ft)
 /* Returns a pointer to friendnumber's FileTransfer struct associated with filenumber.
  * Returns NULL if filenumber is invalid.
  */
-struct FileTransfer *get_file_transfer_struct(uint32_t friendnumber, uint32_t filenumber)
+FileTransfer *get_file_transfer_struct(uint32_t friendnumber, uint32_t filenumber)
 {
     for (size_t i = 0; i < MAX_FILES; ++i) {
-        struct FileTransfer *ft_send = &Friends.list[friendnumber].file_sender[i];
+        FileTransfer *ft_send = &Friends.list[friendnumber].file_sender[i];
 
         if (ft_send->state != FILE_TRANSFER_INACTIVE && ft_send->filenumber == filenumber) {
             return ft_send;
         }
 
-        struct FileTransfer *ft_recv = &Friends.list[friendnumber].file_receiver[i];
+        FileTransfer *ft_recv = &Friends.list[friendnumber].file_receiver[i];
 
         if (ft_recv->state != FILE_TRANSFER_INACTIVE && ft_recv->filenumber == filenumber) {
             return ft_recv;
@@ -172,7 +172,7 @@ struct FileTransfer *get_file_transfer_struct(uint32_t friendnumber, uint32_t fi
 /* Returns a pointer to the FileTransfer struct associated with index with the direction specified.
  * Returns NULL on failure.
  */
-struct FileTransfer *get_file_transfer_struct_index(uint32_t friendnumber, uint32_t index,
+FileTransfer *get_file_transfer_struct_index(uint32_t friendnumber, uint32_t index,
         FILE_TRANSFER_DIRECTION direction)
 {
     if (direction != FILE_TRANSFER_RECV && direction != FILE_TRANSFER_SEND) {
@@ -180,9 +180,9 @@ struct FileTransfer *get_file_transfer_struct_index(uint32_t friendnumber, uint3
     }
 
     for (size_t i = 0; i < MAX_FILES; ++i) {
-        struct FileTransfer *ft = direction == FILE_TRANSFER_SEND ?
+        FileTransfer *ft = direction == FILE_TRANSFER_SEND ?
-                                      &Friends.list[friendnumber].file_sender[i] :
+                           &Friends.list[friendnumber].file_sender[i] :
-                                      &Friends.list[friendnumber].file_receiver[i];
+                           &Friends.list[friendnumber].file_receiver[i];
 
         if (ft->state != FILE_TRANSFER_INACTIVE && ft->index == index) {
             return ft;
@@ -195,10 +195,10 @@ struct FileTransfer *get_file_transfer_struct_index(uint32_t friendnumber, uint3
 /* Returns a pointer to an unused file sender.
  * Returns NULL if all file senders are in use.
  */
-static struct FileTransfer *new_file_sender(ToxWindow *window, uint32_t friendnumber, uint32_t filenumber, uint8_t type)
+static FileTransfer *new_file_sender(ToxWindow *window, uint32_t friendnumber, uint32_t filenumber, uint8_t type)
 {
     for (size_t i = 0; i < MAX_FILES; ++i) {
-        struct FileTransfer *ft = &Friends.list[friendnumber].file_sender[i];
+        FileTransfer *ft = &Friends.list[friendnumber].file_sender[i];
 
         if (ft->state == FILE_TRANSFER_INACTIVE) {
             clear_file_transfer(ft);
@@ -218,11 +218,11 @@ static struct FileTransfer *new_file_sender(ToxWindow *window, uint32_t friendnu
 /* Returns a pointer to an unused file receiver.
  * Returns NULL if all file receivers are in use.
  */
-static struct FileTransfer *new_file_receiver(ToxWindow *window, uint32_t friendnumber, uint32_t filenumber,
+static FileTransfer *new_file_receiver(ToxWindow *window, uint32_t friendnumber, uint32_t filenumber,
-        uint8_t type)
+                                       uint8_t type)
 {
     for (size_t i = 0; i < MAX_FILES; ++i) {
-        struct FileTransfer *ft = &Friends.list[friendnumber].file_receiver[i];
+        FileTransfer *ft = &Friends.list[friendnumber].file_receiver[i];
 
         if (ft->state == FILE_TRANSFER_INACTIVE) {
             clear_file_transfer(ft);
@@ -242,8 +242,8 @@ static struct FileTransfer *new_file_receiver(ToxWindow *window, uint32_t friend
 /* Initializes an unused file transfer and returns its pointer.
  * Returns NULL on failure.
  */
-struct FileTransfer *new_file_transfer(ToxWindow *window, uint32_t friendnumber, uint32_t filenumber,
+FileTransfer *new_file_transfer(ToxWindow *window, uint32_t friendnumber, uint32_t filenumber,
-                                       FILE_TRANSFER_DIRECTION direction, uint8_t type)
+                                FILE_TRANSFER_DIRECTION direction, uint8_t type)
 {
     if (direction == FILE_TRANSFER_RECV) {
         return new_file_receiver(window, friendnumber, filenumber, type);
@@ -256,13 +256,83 @@ struct FileTransfer *new_file_transfer(ToxWindow *window, uint32_t friendnumber,
     return NULL;
 }
 
+int file_send_queue_add(uint32_t friendnumber, const char *file_path, size_t length)
+{
+    if (length == 0 || file_path == NULL) {
+        return -1;
+    }
+
+    if (length > TOX_MAX_FILENAME_LENGTH) {
+        return -2;
+    }
+
+    for (size_t i = 0; i < MAX_FILES; ++i) {
+        PendingFileTransfer *pending_slot = &Friends.list[friendnumber].file_send_queue[i];
+
+        if (pending_slot->pending) {
+            continue;
+        }
+
+        pending_slot->pending = true;
+
+        memcpy(pending_slot->file_path, file_path, length);
+        pending_slot->file_path[length] = 0;
+        pending_slot->length = length;
+
+        return i;
+    }
+
+    return -3;
+}
+
+#define FILE_TRANSFER_SEND_CMD "/sendfile "
+#define FILE_TRANSFER_SEND_LEN (sizeof(FILE_TRANSFER_SEND_CMD) - 1)
+
+void file_send_queue_check(ToxWindow *self, Tox *m, uint32_t friendnumber)
+{
+    for (size_t i = 0; i < MAX_FILES; ++i) {
+        PendingFileTransfer *pending_slot = &Friends.list[friendnumber].file_send_queue[i];
+
+        if (!pending_slot->pending) {
+            continue;
+        }
+
+        char command[TOX_MAX_FILENAME_LENGTH + FILE_TRANSFER_SEND_LEN + 1];
+        snprintf(command, sizeof(command), "%s%s", FILE_TRANSFER_SEND_CMD, pending_slot->file_path);
+
+        execute(self->window, self, m, command, CHAT_COMMAND_MODE);
+
+        *pending_slot = (PendingFileTransfer) {
+            0,
+        };
+    }
+}
+
+int file_send_queue_remove(uint32_t friendnumber, size_t index)
+{
+    if (index >= MAX_FILES) {
+        return -1;
+    }
+
+    PendingFileTransfer *pending_slot = &Friends.list[friendnumber].file_send_queue[index];
+
+    if (!pending_slot->pending) {
+        return -1;
+    }
+
+    *pending_slot = (PendingFileTransfer) {
+        0,
+    };
+
+    return 0;
+}
 
 /* Closes file transfer ft.
  *
  * Set CTRL to -1 if we don't want to send a control signal.
  * Set message or self to NULL if we don't want to display a message.
  */
-void close_file_transfer(ToxWindow *self, Tox *m, struct FileTransfer *ft, int CTRL, const char *message,
+void close_file_transfer(ToxWindow *self, Tox *m, FileTransfer *ft, int CTRL, const char *message,
                          Notification sound_type)
 {
     if (!ft) {
@@ -278,7 +348,11 @@ void close_file_transfer(ToxWindow *self, Tox *m, struct FileTransfer *ft, int C
     }
 
     if (CTRL >= 0) {
-        tox_file_control(m, ft->friendnumber, ft->filenumber, (Tox_File_Control) CTRL, NULL);
+        Tox_Err_File_Control err;
+
+        if (!tox_file_control(m, ft->friendnumber, ft->filenumber, (Tox_File_Control) CTRL, &err)) {
+            fprintf(stderr, "Failed to cancel file transfer: %d\n", err);
+        }
     }
 
     if (message && self) {
@@ -298,7 +372,7 @@ void close_file_transfer(ToxWindow *self, Tox *m, struct FileTransfer *ft, int C
 void kill_avatar_file_transfers_friend(Tox *m, uint32_t friendnumber)
 {
     for (size_t i = 0; i < MAX_FILES; ++i) {
-        struct FileTransfer *ft = &Friends.list[friendnumber].file_sender[i];
+        FileTransfer *ft = &Friends.list[friendnumber].file_sender[i];
 
         if (ft->file_type == TOX_FILE_KIND_AVATAR) {
             close_file_transfer(NULL, m, ft, TOX_FILE_CONTROL_CANCEL, NULL, silent);
@@ -312,6 +386,7 @@ void kill_all_file_transfers_friend(Tox *m, uint32_t friendnumber)
     for (size_t i = 0; i < MAX_FILES; ++i) {
         close_file_transfer(NULL, m, &Friends.list[friendnumber].file_sender[i], TOX_FILE_CONTROL_CANCEL, NULL, silent);
         close_file_transfer(NULL, m, &Friends.list[friendnumber].file_receiver[i], TOX_FILE_CONTROL_CANCEL, NULL, silent);
+        file_send_queue_remove(friendnumber, i);
     }
 }
 
@@ -321,3 +396,26 @@ void kill_all_file_transfers(Tox *m)
         kill_all_file_transfers_friend(m, Friends.list[i].num);
     }
 }
+
+bool file_transfer_recv_path_exists(const char *path)
+{
+    for (size_t friendnumber = 0; friendnumber < Friends.max_idx; ++friendnumber) {
+        if (!Friends.list[friendnumber].active) {
+            continue;
+        }
+
+        for (size_t i = 0; i < MAX_FILES; ++i) {
+            FileTransfer *ft = &Friends.list[friendnumber].file_receiver[i];
+
+            if (ft->state == FILE_TRANSFER_INACTIVE) {
+                continue;
+            }
+
+            if (strcmp(path, ft->file_path) == 0) {
+                return true;
+            }
+        }
+    }
+
+    return false;
+}

src/file_transfers.h

@@ -29,9 +29,9 @@
 #include "toxic.h"
 #include "windows.h"
 
-#define KiB 1024
+#define KiB (uint32_t)  1024
-#define MiB 1048576       /* 1024^2 */
+#define MiB (uint32_t) (1024 << 10)  /* 1024^2 */
-#define GiB 1073741824    /* 1024^3 */
+#define GiB (uint32_t) (1024 << 20)  /* 1024^3 */
 
 #define MAX_FILES 32
 
@@ -47,7 +47,7 @@ typedef enum FILE_TRANSFER_DIRECTION {
     FILE_TRANSFER_RECV
 } FILE_TRANSFER_DIRECTION;
 
-struct FileTransfer {
+typedef struct FileTransfer {
     ToxWindow *window;
     FILE *file;
     FILE_TRANSFER_STATE state;
@@ -63,7 +63,15 @@ struct FileTransfer {
     time_t   last_line_progress;   /* The last time we updated the progress bar */
     uint32_t line_id;
     uint8_t  file_id[TOX_FILE_ID_LENGTH];
-};
+} FileTransfer;
+
+typedef struct PendingFileTransfer {
+    char      file_path[TOX_MAX_FILENAME_LENGTH + 1];
+    size_t    length;
+    uint32_t  friendnumber;
+    bool      pending;
+} PendingFileTransfer;
+
 
 /* creates initial progress line that will be updated during file transfer.
    progline must be at lesat MAX_STR_SIZE bytes */
@@ -96,6 +104,31 @@ struct FileTransfer *get_file_transfer_struct_index(uint32_t friendnumber, uint3
 struct FileTransfer *new_file_transfer(ToxWindow *window, uint32_t friendnumber, uint32_t filenumber,
                                        FILE_TRANSFER_DIRECTION direction, uint8_t type);
 
+/* Adds a file designated by `file_path` of length `length` to the file transfer queue.
+ *
+ * Items in this queue will be automatically sent to the contact designated by `friendnumber`
+ * as soon as they appear online. The item will then be removed from the queue whether
+ * or not the transfer successfully initiates.
+ *
+ * If the ToxWindow associated with this friend is closed, all queued items will be
+ * discarded.
+ *
+ * Return the queue index on success.
+ * Return -1 if the length is invalid.
+ * Return -2 if the send queue is full.
+ */
+int file_send_queue_add(uint32_t friendnumber, const char *file_path, size_t length);
+
+/* Initiates all file transfers from the file send queue for friend designated by `friendnumber`. */
+void file_send_queue_check(ToxWindow *self, Tox *m, uint32_t friendnumber);
+
+/* Removes the `index`-th item from the file send queue for `friendnumber`.
+ *
+ * Return 0 if a pending transfer was successfully removed
+ * Return -1 if index does not designate a pending file transfer.
+ */
+int file_send_queue_remove(uint32_t friendnumber, size_t index);
+
 /* Closes file transfer ft.
  *
  * Set CTRL to -1 if we don't want to send a control signal.
@@ -112,4 +145,7 @@ void kill_all_file_transfers_friend(Tox *m, uint32_t friendnumber);
 
 void kill_all_file_transfers(Tox *m);
 
+/* Return true if any pending or active file receiver has the path `path`. */
+bool file_transfer_recv_path_exists(const char *path);
+
 #endif /* FILE_TRANSFERS_H */

src/friendlist.c

@@ -37,6 +37,7 @@
 #include "log.h"
 #include "misc_tools.h"
 #include "notify.h"
+#include "prompt.h"
 #include "settings.h"
 #include "toxic.h"
 #include "windows.h"
@@ -46,13 +47,6 @@
 #endif
 
 
-extern char *DATA_FILE;
-extern char *BLOCK_FILE;
-extern ToxWindow *prompt;
-extern struct Winthread Winthread;
-extern struct user_settings *user_settings;
-extern struct arg_opts arg_opts;
-
 static uint8_t blocklist_view = 0;   /* 0 if we're in friendlist view, 1 if we're in blocklist view */
 
 FriendsList Friends;
@@ -321,11 +315,11 @@ int load_blocklist(char *path)
 #define S_WEIGHT 100000
 static int index_name_cmp(const void *n1, const void *n2)
 {
-    int res = qsort_strcasecmp_hlpr(Friends.list[*(int *) n1].name, Friends.list[*(int *) n2].name);
+    int res = qsort_strcasecmp_hlpr(Friends.list[*(const int *) n1].name, Friends.list[*(const int *) n2].name);
 
     /* Use weight to make qsort always put online friends before offline */
-    res = Friends.list[*(int *) n1].connection_status ? (res - S_WEIGHT) : (res + S_WEIGHT);
+    res = Friends.list[*(const int *) n1].connection_status ? (res - S_WEIGHT) : (res + S_WEIGHT);
-    res = Friends.list[*(int *) n2].connection_status ? (res + S_WEIGHT) : (res - S_WEIGHT);
+    res = Friends.list[*(const int *) n2].connection_status ? (res + S_WEIGHT) : (res - S_WEIGHT);
 
     return res;
 }
@@ -349,7 +343,7 @@ void sort_friendlist_index(void)
 
 static int index_name_cmp_block(const void *n1, const void *n2)
 {
-    return qsort_strcasecmp_hlpr(Blocked.list[*(int *) n1].name, Blocked.list[*(int *) n2].name);
+    return qsort_strcasecmp_hlpr(Blocked.list[*(const int *) n1].name, Blocked.list[*(const int *) n2].name);
 }
 
 static void sort_blocklist_index(void)
@@ -698,6 +692,9 @@ static void select_friend(wint_t key, int *selected, int num)
 
 static void delete_friend(Tox *m, uint32_t f_num)
 {
+    kill_all_file_transfers_friend(m, f_num);
+    kill_avatar_file_transfers_friend(m, f_num);
+
     Tox_Err_Friend_Delete err;
 
     if (tox_friend_delete(m, f_num, &err) != true) {
@@ -846,9 +843,7 @@ void block_friend(Tox *m, uint32_t fnum)
     realloc_blocklist(Blocked.max_idx + 1);
     clear_blocklist_index(Blocked.max_idx);
 
-    int i;
+    for (int i = 0; i <= Blocked.max_idx; ++i) {
-
-    for (i = 0; i <= Blocked.max_idx; ++i) {
         if (Blocked.list[i].active) {
             continue;
         }
@@ -1113,14 +1108,14 @@ static void friendlist_onDraw(ToxWindow *self, Tox *m)
 
     /* Determine which portion of friendlist to draw based on current position */
     pthread_mutex_lock(&Winthread.lock);
-    int page = Friends.num_selected / (y2 - FLIST_OFST);
+    const int page = Friends.num_selected / (y2 - FLIST_OFST);
     pthread_mutex_unlock(&Winthread.lock);
 
-    int start = (y2 - FLIST_OFST) * page;
+    const int start = (y2 - FLIST_OFST) * page;
-    int end = y2 - FLIST_OFST + start;
+    const int end = y2 - FLIST_OFST + start;
 
     pthread_mutex_lock(&Winthread.lock);
-    size_t num_friends = Friends.num_friends;
+    const size_t num_friends = Friends.num_friends;
     pthread_mutex_unlock(&Winthread.lock);
 
     int i;

src/friendlist.h

@@ -79,8 +79,9 @@ typedef struct {
     struct GameInvite game_invite;
 #endif
 
-    struct FileTransfer file_receiver[MAX_FILES];
+    FileTransfer file_receiver[MAX_FILES];
-    struct FileTransfer file_sender[MAX_FILES];
+    FileTransfer file_sender[MAX_FILES];
+    PendingFileTransfer file_send_queue[MAX_FILES];
 } ToxicFriend;
 
 typedef struct {
@@ -101,6 +102,8 @@ typedef struct {
     ToxicFriend *list;
 } FriendsList;
 
+extern FriendsList Friends;
+
 ToxWindow *new_friendlist(void);
 void friendlist_onInit(ToxWindow *self, Tox *m);
 void disable_chatwin(uint32_t f_num);

src/game_base.c

@@ -517,10 +517,10 @@ static void game_draw_help_bar(const GameData *game, WINDOW *win)
 {
     int max_x;
     int max_y;
-    UNUSED_VAR(max_x);
-
     getmaxyx(win, max_y, max_x);
 
+    UNUSED_VAR(max_x);
+
     wmove(win, max_y - 1, 1);
 
     if (!game->is_multiplayer) {
@@ -937,10 +937,10 @@ int game_y_bottom_bound(const GameData *game)
 {
     int max_x;
     int max_y;
-    UNUSED_VAR(max_x);
-
     getmaxyx(game->window, max_y, max_x);
 
+    UNUSED_VAR(max_x);
+
     return ((max_y + game->game_max_y) / 2) - 1;
 }
 
@@ -948,10 +948,10 @@ int game_y_top_bound(const GameData *game)
 {
     int max_x;
     int max_y;
-    UNUSED_VAR(max_x);
-
     getmaxyx(game->window, max_y, max_x);
 
+    UNUSED_VAR(max_x);
+
     return ((max_y - game->game_max_y) / 2) + 1;
 }
 
@@ -959,10 +959,10 @@ int game_x_right_bound(const GameData *game)
 {
     int max_x;
     int max_y;
-    UNUSED_VAR(max_y);
-
     getmaxyx(game->window, max_y, max_x);
 
+    UNUSED_VAR(max_y);
+
     return ((max_x + game->game_max_x) / 2) - 1;
 }
 
@@ -970,10 +970,10 @@ int game_x_left_bound(const GameData *game)
 {
     int max_x;
     int max_y;
-    UNUSED_VAR(max_y);
-
     getmaxyx(game->window, max_y, max_x);
 
+    UNUSED_VAR(max_y);
+
     return ((max_x - game->game_max_x) / 2) + 1;
 }
 
@@ -1129,7 +1129,7 @@ int game_packet_send(const GameData *game, const uint8_t *data, size_t length, G
     memcpy(packet + 1 + GAME_PACKET_HEADER_SIZE, data, length);
     packet_length += length;
 
-    TOX_ERR_FRIEND_CUSTOM_PACKET err;
+    Tox_Err_Friend_Custom_Packet err;
 
     if (!tox_friend_send_lossless_packet(game->tox, game->friend_number, packet, packet_length, &err)) {
         fprintf(stderr, "failed to send game packet: error %d\n", err);

src/game_chess.c

@@ -436,7 +436,11 @@ static bool chess_path_line_clear(Board *board, const Tile *from, const Tile *to
         return false;
     }
 
-    ChessCoords chess_coords;
+    ChessCoords chess_coords = (ChessCoords) {
+        0,
+        0
+    };
+
     size_t start;
     size_t end;
 
@@ -800,11 +804,13 @@ static bool chess_mock_move_valid(ChessState *state, const Player *player, Tile
 {
     Board *board = &state->board;
 
+    const bool en_passant = player->en_passant_move_number == -1;
     bool in_check = false;
     Tile *ep_tile = NULL;
     Piece ep_piece;
+    memset(&ep_piece, 0, sizeof(ep_piece));
 
-    if (player->en_passant_move_number == -1) {  // remove piece that was captured via en passant
+    if (en_passant) {  // remove piece that was captured via en passant
         ChessCoords ep_coords;
         ep_coords.N = player->colour == White ? to->chess_coords.N - 1 : to->chess_coords.N + 1;
         ep_coords.L = to->chess_coords.L;
@@ -815,7 +821,7 @@ static bool chess_mock_move_valid(ChessState *state, const Player *player, Tile
         }
 
         chess_copy_piece(&ep_piece, &ep_tile->piece);
-        ep_tile->piece.type = NoPiece;
+        ep_tile->piece.type = NoPiece;  // temporarily remove piece
     }
 
     Piece from_piece;
@@ -831,8 +837,8 @@ static bool chess_mock_move_valid(ChessState *state, const Player *player, Tile
     from->piece.type = from_piece.type;
     chess_copy_piece(&to->piece, &to_piece);
 
-    if (player->en_passant_move_number == -1) {
+    if (en_passant) {
-        ep_tile->piece.type = ep_piece.type;
+        ep_tile->piece.type = ep_piece.type;  // reset piece to original state
     }
 
     return !in_check;

src/global_commands.c

@@ -42,11 +42,6 @@
 #include "game_base.h"
 #endif
 
-extern char *DATA_FILE;
-extern ToxWindow *prompt;
-extern FriendsList Friends;
-extern FriendRequests FrndRequests;
-
 /* command functions */
 void cmd_accept(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
 {
@@ -161,18 +156,12 @@ void cmd_add(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX
 
     const char *id = argv[1];
     const size_t arg_length = strlen(id);
-    const bool is_tox_id = arg_length >= (2 * TOX_ADDRESS_SIZE);
+    const int space_idx = char_find(0, id, ' ');
 
-    if (is_tox_id) {
+    // we have to manually parse the message due to this command being a special case
-        // we have to manually parse the message due to this command being a special case
+    if (space_idx > 0 && space_idx < arg_length - 1) {
-        int idx = char_find(0, id, ' ');
+        snprintf(msg, sizeof(msg), "%s", &id[space_idx + 1]);
-
+    } else {
-        if (idx > 0 && idx < arg_length - 1) {
-            snprintf(msg, sizeof(msg), "%s", &id[idx + 1]);
-        }
-    }
-
-    if (!msg[0]) {
         char selfname[TOX_MAX_NAME_LENGTH];
         tox_self_get_name(m, (uint8_t *) selfname);
 
@@ -183,34 +172,34 @@ void cmd_add(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX
 
     char id_bin[TOX_ADDRESS_SIZE] = {0};
 
-    /* try to add tox ID */
+    const bool is_tox_id = (char_find(0, id, '@') == arg_length) && (arg_length >= TOX_ADDRESS_SIZE * 2);
-    if (is_tox_id) {
-        size_t i;
-        char xx[3];
-        uint32_t x;
 
-        for (i = 0; i < TOX_ADDRESS_SIZE; ++i) {
+    if (!is_tox_id) {
-            xx[0] = id[2 * i];
+        name_lookup(self, m, id_bin, id, msg);
-            xx[1] = id[2 * i + 1];
+    }
-            xx[2] = 0;
 
-            if (sscanf(xx, "%02x", &x) != 1) {
+    char xx[3];
-                line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Invalid Tox ID.");
+    uint32_t x = 0;
-                return;
-            }
 
-            id_bin[i] = x;
+    for (size_t i = 0; i < TOX_ADDRESS_SIZE; ++i) {
-        }
+        xx[0] = id[2 * i];
+        xx[1] = id[2 * i + 1];
+        xx[2] = 0;
 
-        if (friend_is_blocked(id_bin)) {
+        if (sscanf(xx, "%02x", &x) != 1) {
-            line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Friend is in your block list.");
+            line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Invalid Tox ID.");
             return;
         }
 
-        cmd_add_helper(self, m, id_bin, msg);
+        id_bin[i] = x;
-    } else {    /* assume id is a username@domain address and do http name server lookup */
-        name_lookup(self, m, id_bin, id, msg);
     }
+
+    if (friend_is_blocked(id_bin)) {
+        line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Friend is in your block list.");
+        return;
+    }
+
+    cmd_add_helper(self, m, id_bin, msg);
 }
 
 void cmd_avatar(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])

src/line_info.c

@@ -20,6 +20,10 @@
  *
  */
 
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE    /* needed for wcswidth() */
+#endif
+
 #include <stdarg.h>
 #include <stdbool.h>
 #include <stdlib.h>
@@ -137,20 +141,24 @@ static struct line_info *line_info_ret_queue(struct history *hst)
  * Return 0 if string does not contain a newline byte.
  * Return -1 if printing was aborted.
  */
-static int print_n_chars(WINDOW *win, const char *s, size_t n, int max_y)
+static int print_n_chars(WINDOW *win, const wchar_t *s, size_t n, int max_y)
 {
+    // we use an array to represent a single wchar in order to get around an ncurses
+    // bug with waddnwstr() that overreads the memory address by one byte when
+    // supplied with a single wchar.
+    wchar_t ch[2] = {0};
     bool newline = false;
-    char ch;
 
-    for (size_t i = 0; i < n && (ch = s[i]); ++i) {
+    for (size_t i = 0; i < n && (ch[0] = s[i]); ++i) {
-        if (ch == '\n') {
+        if (ch[0] == L'\n') {
             newline = true;
 
             int x;
             int y;
-            UNUSED_VAR(x);
             getyx(win, y, x);
 
+            UNUSED_VAR(x);
+
             // make sure cursor will wrap correctly after newline to prevent display bugs
             if (y + 1 >= max_y) {
                 return -1;
@@ -158,7 +166,17 @@ static int print_n_chars(WINDOW *win, const char *s, size_t n, int max_y)
         }
 
         if (win) {
-            wprintw(win, "%c", ch);
+#ifdef HAVE_WIDECHAR
+            waddnwstr(win, ch, 1);
+#else
+            char b;
+
+            if (wcstombs(&b, ch, sizeof(char)) != 1) {
+                continue;
+            }
+
+            wprintw(win, "%c", b);
+#endif  // HAVE_WIDECHAR
         }
     }
 
@@ -168,10 +186,10 @@ static int print_n_chars(WINDOW *win, const char *s, size_t n, int max_y)
 /* Returns the index of the last space character in `s` found before `limit`.
  * Returns -1 if no space is found.
  */
-static int rspace_index(const char *s, int limit)
+static int rspace_index(const wchar_t *s, int limit)
 {
     for (int i = limit; i >= 0; --i) {
-        if (s[i] == ' ') {
+        if (s[i] == L' ') {
             return i;
         }
     }
@@ -182,12 +200,12 @@ static int rspace_index(const char *s, int limit)
 /* Returns the first index in `s` containing a newline byte found before `limit`.
  * Returns -1 if no newline  is found.
  */
-static int newline_index(const char *s, int limit)
+static int newline_index(const wchar_t *s, int limit)
 {
-    char ch;
+    wchar_t ch;
 
     for (int i = 0; i < limit && (ch = s[i]); ++i) {
-        if (ch == '\n') {
+        if (ch == L'\n') {
             return i;
         }
     }
@@ -196,13 +214,13 @@ static int newline_index(const char *s, int limit)
 }
 
 /* Returns the number of newline bytes in `s` */
-static unsigned int newline_count(const char *s)
+static unsigned int newline_count(const wchar_t *s)
 {
-    char ch;
+    wchar_t ch;
     unsigned int count = 0;
 
     for (size_t i = 0; (ch = s[i]); ++i) {
-        if (ch == '\n') {
+        if (ch == L'\n') {
             ++count;
         }
     }
@@ -225,10 +243,10 @@ static int print_wrap(WINDOW *win, struct line_info *line, int max_x, int max_y)
     int y;
     UNUSED_VAR(y);
 
-    const char *msg = line->msg;
+    const wchar_t *msg = line->msg;
-    uint16_t length = line->msg_len;
+    uint16_t length = line->msg_width;
     uint16_t lines = 0;
-    const int x_start = line->len - line->msg_len - 1;  // manually keep track of x position because ncurses sucks
+    const int x_start = line->len - line->msg_width - 1;  // manually keep track of x position because ncurses sucks
     int x_limit = max_x - x_start;
 
     if (x_limit <= 1) {
@@ -245,7 +263,7 @@ static int print_wrap(WINDOW *win, struct line_info *line, int max_x, int max_y)
         }
 
         if (length < x_limit) {
-            int p_ret = print_n_chars(win, msg, length, max_y);
+            const int p_ret = print_n_chars(win, msg, length, max_y);
 
             if (p_ret == 1) {
                 lines += newline_count(msg);
@@ -257,7 +275,7 @@ static int print_wrap(WINDOW *win, struct line_info *line, int max_x, int max_y)
             break;
         }
 
-        int newline_idx = newline_index(msg, x_limit - 1);
+        const int newline_idx = newline_index(msg, x_limit - 1);
 
         if (newline_idx >= 0) {
             if (print_n_chars(win, msg, newline_idx + 1, max_y) == -1) {
@@ -271,7 +289,7 @@ static int print_wrap(WINDOW *win, struct line_info *line, int max_x, int max_y)
             continue;
         }
 
-        int space_idx = rspace_index(msg, x_limit - 1);
+        const int space_idx = rspace_index(msg, x_limit - 1);
 
         if (space_idx >= 1) {
             if (print_n_chars(win, msg, space_idx, max_y) == -1) {
@@ -320,14 +338,45 @@ static int print_wrap(WINDOW *win, struct line_info *line, int max_x, int max_y)
     return 0;
 }
 
+/* Converts `msg` into a widechar string and puts the result in `buf`.
+ *
+ * Returns the widechar width of the string.
+ */
+static uint16_t line_info_add_msg(wchar_t *buf, size_t buf_size, const char *msg)
+{
+    if (msg == NULL || msg[0] == '\0') {
+        return 0;
+    }
+
+    const wint_t wc_msg_len = mbs_to_wcs_buf(buf, msg, buf_size);
+
+    if (wc_msg_len > 0 && wc_msg_len < buf_size) {
+        buf[wc_msg_len] = L'\0';
+        int width = wcswidth(buf, wc_msg_len);
+
+        if (width == -1) {  // the best we can do on failure is to fall back to strlen
+            width = strlen(msg);
+        }
+
+        return (uint16_t)width;
+    } else {
+        fprintf(stderr, "Failed to convert string '%s' to widechar\n", msg);
+        const wchar_t *err = L"Failed to parse message";
+        uint16_t width = (uint16_t)wcslen(err);
+        wmemcpy(buf, err, width);
+        buf[width] = L'\0';
+        return width;
+    }
+}
+
 static void line_info_init_line(ToxWindow *self, struct line_info *line)
 {
     int y2;
     int x2;
-    UNUSED_VAR(y2);
-
     getmaxyx(self->window, y2, x2);
 
+    UNUSED_VAR(y2);
+
     const int max_y = y2 - CHATBOX_HEIGHT - WINDOW_BAR_HEIGHT;
     const int max_x = self->show_peerlist ? x2 - 1 - SIDEBAR_WIDTH : x2;
 
@@ -408,13 +457,8 @@ int line_info_add(ToxWindow *self, bool show_timestamp, const char *name1, const
             break;
     }
 
-    uint16_t msg_len = 0;
+    const uint16_t msg_width = line_info_add_msg(new_line->msg, sizeof(new_line->msg), frmt_msg);
-
+    len += msg_width;
-    if (frmt_msg[0]) {
-        snprintf(new_line->msg, sizeof(new_line->msg), "%s", frmt_msg);
-        msg_len = strlen(new_line->msg);
-        len += msg_len;
-    }
 
     if (show_timestamp) {
         get_time_str(new_line->timestr, sizeof(new_line->timestr));
@@ -433,7 +477,7 @@ int line_info_add(ToxWindow *self, bool show_timestamp, const char *name1, const
 
     new_line->id = (hst->line_end->id + 1 + hst->queue_size) % INT_MAX;
     new_line->len = len;
-    new_line->msg_len = msg_len;
+    new_line->msg_width = msg_width;
     new_line->type = type;
     new_line->bold = bold;
     new_line->colour = colour;
@@ -517,15 +561,14 @@ void line_info_print(ToxWindow *self)
     const int max_y = y2 - CHATBOX_HEIGHT - WINDOW_BAR_HEIGHT;
     const int max_x = self->show_peerlist ? x2 - 1 - SIDEBAR_WIDTH : x2;
     uint16_t numlines = line->format_lines;
-    int print_ret = 0;
 
-    while (line && numlines++ <= max_y && print_ret == 0) {
+    while (line && numlines++ <= max_y) {
         int y;
         int x;
-        UNUSED_VAR(y);
-
         getyx(win, y, x);
 
+        UNUSED_VAR(y);
+
         if (x > 0) { // Prevents us from printing off the screen
             break;
         }
@@ -556,22 +599,22 @@ void line_info_print(ToxWindow *self)
                 wprintw(win, "%s %s: ", user_settings->line_normal, line->name1);
                 wattroff(win, COLOR_PAIR(nameclr));
 
-                if (line->msg[0] == 0) {
+                if (line->msg[0] == L'\0') {
                     waddch(win, '\n');
                     break;
                 }
 
-                if (line->msg[0] == '>') {
+                if (line->msg[0] == L'>') {
                     wattron(win, COLOR_PAIR(GREEN));
-                } else if (line->msg[0] == '<') {
+                } else if (line->msg[0] == L'<') {
                     wattron(win, COLOR_PAIR(RED));
                 }
 
-                print_ret = print_wrap(win, line, max_x, max_y);
+                print_wrap(win, line, max_x, max_y);
 
-                if (line->msg[0] == '>') {
+                if (line->msg[0] == L'>') {
                     wattroff(win, COLOR_PAIR(GREEN));
-                } else if (line->msg[0] == '<') {
+                } else if (line->msg[0] == L'<') {
                     wattroff(win, COLOR_PAIR(RED));
                 }
 
@@ -591,7 +634,7 @@ void line_info_print(ToxWindow *self)
 
                 wattron(win, COLOR_PAIR(YELLOW));
                 wprintw(win, "%s %s ", user_settings->line_normal, line->name1);
-                print_ret = print_wrap(win, line, max_x, max_y);
+                print_wrap(win, line, max_x, max_y);
                 wattroff(win, COLOR_PAIR(YELLOW));
 
                 waddch(win, '\n');
@@ -612,7 +655,7 @@ void line_info_print(ToxWindow *self)
                     wattron(win, COLOR_PAIR(line->colour));
                 }
 
-                print_ret = print_wrap(win, line, max_x, max_y);
+                print_wrap(win, line, max_x, max_y);
                 waddch(win, '\n');
 
                 if (line->bold) {
@@ -630,8 +673,8 @@ void line_info_print(ToxWindow *self)
                 wprintw(win, "$ ");
                 wattroff(win, COLOR_PAIR(GREEN));
 
-                if (line->msg[0]) {
+                if (line->msg[0] != L'\0') {
-                    print_ret = print_wrap(win, line, max_x, max_y);
+                    print_wrap(win, line, max_x, max_y);
                 }
 
                 waddch(win, '\n');
@@ -649,7 +692,7 @@ void line_info_print(ToxWindow *self)
                 wprintw(win, "%s ", line->name1);
                 wattroff(win, A_BOLD);
 
-                print_ret = print_wrap(win, line, max_x, max_y);
+                print_wrap(win, line, max_x, max_y);
                 waddch(win, '\n');
 
                 wattroff(win, COLOR_PAIR(line->colour));
@@ -668,7 +711,7 @@ void line_info_print(ToxWindow *self)
                 wprintw(win, "%s ", line->name1);
                 wattroff(win, A_BOLD);
 
-                print_ret = print_wrap(win, line, max_x, max_y);
+                print_wrap(win, line, max_x, max_y);
                 waddch(win, '\n');
 
                 wattroff(win, COLOR_PAIR(line->colour));
@@ -686,7 +729,7 @@ void line_info_print(ToxWindow *self)
                 wprintw(win, "%s", line->name1);
                 wattroff(win, A_BOLD);
 
-                print_ret = print_wrap(win, line, max_x, max_y);
+                print_wrap(win, line, max_x, max_y);
 
                 wattron(win, A_BOLD);
                 wprintw(win, "%s\n", line->name2);
@@ -748,10 +791,9 @@ void line_info_set(ToxWindow *self, uint32_t id, char *msg)
 
     while (line) {
         if (line->id == id) {
-            size_t new_len = strlen(msg);
+            const uint16_t new_width = line_info_add_msg(line->msg, sizeof(line->msg), msg);
-            line->len = line->len - line->msg_len + new_len;
+            line->len = line->len - line->msg_width + new_width;
-            line->msg_len = new_len;
+            line->msg_width = new_width;
-            snprintf(line->msg, sizeof(line->msg), "%s", msg);
             return;
         }
 

src/line_info.h

@@ -46,11 +46,11 @@ typedef enum LINE_TYPE {
 } LINE_TYPE;
 
 struct line_info {
-    char timestr[TIME_STR_SIZE];
+    char    timestr[TIME_STR_SIZE];
-    char name1[TOXIC_MAX_NAME_LENGTH + 1];
+    char    name1[TOXIC_MAX_NAME_LENGTH + 1];
-    char name2[TOXIC_MAX_NAME_LENGTH + 1];
+    char    name2[TOXIC_MAX_NAME_LENGTH + 1];
-    char msg[MAX_LINE_INFO_MSG_SIZE];
+    wchar_t msg[MAX_LINE_INFO_MSG_SIZE];
-    time_t timestamp;
+    time_t  timestamp;
     uint8_t type;
     uint8_t bold;
     uint8_t colour;
@@ -58,7 +58,7 @@ struct line_info {
     bool    read_flag;     /* true if a message has been flagged as read */
     uint32_t id;
     uint16_t len;        /* combined length of entire line */
-    uint16_t msg_len;    /* length of the message */
+    uint16_t msg_width;    /* width of the message */
     uint16_t format_lines;  /* number of lines the combined string takes up (dynamically set) */
 
     struct line_info *prev;

src/log.c

@@ -62,21 +62,21 @@ static int get_log_path(char *dest, int destsize, const char *name, const char *
 
     /* first 6 bytes of selfkey */
     char self_id[32] = {0};
-    path_len += KEY_IDENT_DIGITS * 2;
+    path_len += KEY_IDENT_BYTES;
     sprintf(&self_id[0], "%02X", selfkey[0] & 0xff);
     sprintf(&self_id[2], "%02X", selfkey[1] & 0xff);
     sprintf(&self_id[4], "%02X", selfkey[2] & 0xff);
-    self_id[KEY_IDENT_DIGITS * 2] = '\0';
+    self_id[KEY_IDENT_BYTES] = '\0';
 
     char other_id[32] = {0};
 
     if (otherkey) {
         /* first 6 bytes of otherkey */
-        path_len += KEY_IDENT_DIGITS * 2;
+        path_len += KEY_IDENT_BYTES;
         sprintf(&other_id[0], "%02X", otherkey[0] & 0xff);
         sprintf(&other_id[2], "%02X", otherkey[1] & 0xff);
         sprintf(&other_id[4], "%02X", otherkey[2] & 0xff);
-        other_id[KEY_IDENT_DIGITS * 2] = '\0';
+        other_id[KEY_IDENT_BYTES] = '\0';
     }
 
     if (path_len >= destsize) {

src/message_queue.c

@@ -48,7 +48,7 @@ void cqueue_add(struct chat_queue *q, const char *msg, size_t len, uint8_t type,
         return;
     }
 
-    struct cqueue_msg *new_m = malloc(sizeof(struct cqueue_msg));
+    struct cqueue_msg *new_m = calloc(1, sizeof(struct cqueue_msg));
 
     if (new_m == NULL) {
         exit_toxic_err("failed in cqueue_message", FATALERR_MEMORY);
@@ -62,6 +62,7 @@ void cqueue_add(struct chat_queue *q, const char *msg, size_t len, uint8_t type,
     new_m->time_added = get_unix_time();
     new_m->receipt = -1;
     new_m->next = NULL;
+    new_m->noread_flag = false;
 
     if (q->root == NULL) {
         new_m->prev = NULL;
@@ -203,7 +204,7 @@ void cqueue_try_send(ToxWindow *self, Tox *m)
             return;
         }
 
-        TOX_ERR_FRIEND_SEND_MESSAGE err;
+        Tox_Err_Friend_Send_Message err;
         Tox_Message_Type type = msg->type == OUT_MSG ? TOX_MESSAGE_TYPE_NORMAL : TOX_MESSAGE_TYPE_ACTION;
         uint32_t receipt = tox_friend_send_message(m, self->num, type, (uint8_t *) msg->message, msg->len, &err);
 

src/misc_tools.c

@@ -148,7 +148,7 @@ void get_elapsed_time_str(char *buf, int bufsize, time_t secs)
  */
 int tox_pk_string_to_bytes(const char *hex_string, size_t hex_len, char *output, size_t output_size)
 {
-    if (output_size != TOX_PUBLIC_KEY_SIZE || hex_len > output_size * 2) {
+    if (output_size != TOX_PUBLIC_KEY_SIZE || hex_len != output_size * 2) {
         return -1;
     }
 
@@ -288,7 +288,7 @@ int qsort_strcasecmp_hlpr(const void *str1, const void *str2)
 /* case-insensitive string compare function for use with qsort */
 int qsort_ptr_char_array_helper(const void *str1, const void *str2)
 {
-    return strcasecmp(*(char **)str1, *(char **)str2);
+    return strcasecmp(*(const char *const *)str1, *(const char *const *)str2);
 }
 
 static const char invalid_chars[] = {'/', '\n', '\t', '\v', '\r', '\0'};
@@ -477,10 +477,9 @@ on_error:
    returns length of msg, which will be no larger than size-1 */
 size_t copy_tox_str(char *msg, size_t size, const char *data, size_t length)
 {
-    size_t i;
     size_t j = 0;
 
-    for (i = 0; (i < length) && (j < size - 1); ++i) {
+    for (size_t i = 0; (i < length) && (j < size - 1); ++i) {
         if (data[i] != '\r') {
             msg[j++] = data[i];
         }

src/name_lookup.c

@@ -33,9 +33,6 @@
 #include "toxic.h"
 #include "windows.h"
 
-extern struct arg_opts arg_opts;
-extern struct Winthread Winthread;
-
 #define NAMESERVER_API_PATH "api"
 #define SERVER_KEY_SIZE 32
 #define MAX_SERVERS 50
@@ -111,14 +108,15 @@ static int load_nameserver_list(const char *path)
     char line[MAX_SERVER_LINE];
 
     while (fgets(line, sizeof(line), fp) && Nameservers.lines < MAX_SERVERS) {
-        int linelen = strlen(line);
+        size_t linelen = strlen(line);
 
         if (linelen < SERVER_KEY_SIZE * 2 + 5) {
             continue;
         }
 
         if (line[linelen - 1] == '\n') {
-            line[--linelen] = '\0';
+            --linelen;
+            line[linelen] = '\0';
         }
 
         const char *name = strtok(line, " ");

src/netprof.c

@@ -0,0 +1,299 @@
+/*  netprof.c
+ *
+ *
+ *  Copyright (C) 2022 Toxic All Rights Reserved.
+ *
+ *  This file is part of Toxic.
+ *
+ *  Toxic is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Toxic is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Toxic.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+
+#include "netprof.h"
+
+#include "../../toxcore/toxcore/tox_private.h"  // set this to your local toxcore source directory
+
+static void log_tcp_packet_id(FILE *fp, unsigned int id, uint64_t total, uint64_t TCP_id_sent, uint64_t TCP_id_recv)
+{
+    switch (id) {
+        case TOX_NETPROF_PACKET_ID_ZERO:
+        case TOX_NETPROF_PACKET_ID_ONE:
+        case TOX_NETPROF_PACKET_ID_TWO:
+        case TOX_NETPROF_PACKET_ID_TCP_DISCONNECT:
+        case TOX_NETPROF_PACKET_ID_FOUR:
+        case TOX_NETPROF_PACKET_ID_TCP_PONG:
+        case TOX_NETPROF_PACKET_ID_TCP_OOB_SEND:
+        case TOX_NETPROF_PACKET_ID_TCP_OOB_RECV:
+        case TOX_NETPROF_PACKET_ID_TCP_ONION_REQUEST:
+        case TOX_NETPROF_PACKET_ID_TCP_ONION_RESPONSE:
+        case TOX_NETPROF_PACKET_ID_TCP_DATA: {
+            if (TCP_id_recv || TCP_id_sent) {
+                fprintf(fp, "0x%02x (total):     %lu (%.2f%%)\n", id, TCP_id_sent + TCP_id_recv,
+                        ((float)TCP_id_recv + TCP_id_sent) / total * 100.0);
+            }
+
+            if (TCP_id_sent) {
+                fprintf(fp, "0x%02x (sent):      %lu (%.2f%%)\n", id, TCP_id_sent, (float)TCP_id_sent / total * 100.0);
+            }
+
+            if (TCP_id_recv) {
+                fprintf(fp, "0x%02x (recv):      %lu (%.2f%%)\n", id, TCP_id_recv, (float)TCP_id_recv / total * 100.0);
+            }
+
+            break;
+        }
+
+        default:
+            return;
+    }
+}
+static void log_udp_packet_id(FILE *fp, unsigned int id, uint64_t total, uint64_t UDP_id_sent, uint64_t UDP_id_recv)
+{
+    switch (id) {
+        case TOX_NETPROF_PACKET_ID_ZERO:
+        case TOX_NETPROF_PACKET_ID_ONE:
+        case TOX_NETPROF_PACKET_ID_TWO:
+        case TOX_NETPROF_PACKET_ID_FOUR:
+        case TOX_NETPROF_PACKET_ID_COOKIE_REQUEST:
+        case TOX_NETPROF_PACKET_ID_COOKIE_RESPONSE:
+        case TOX_NETPROF_PACKET_ID_CRYPTO_HS:
+        case TOX_NETPROF_PACKET_ID_CRYPTO_DATA:
+        case TOX_NETPROF_PACKET_ID_CRYPTO:
+        case TOX_NETPROF_PACKET_ID_LAN_DISCOVERY:
+        case TOX_NETPROF_PACKET_ID_ONION_SEND_INITIAL:
+        case TOX_NETPROF_PACKET_ID_ONION_SEND_1:
+        case TOX_NETPROF_PACKET_ID_ONION_SEND_2:
+        case TOX_NETPROF_PACKET_ID_ANNOUNCE_REQUEST:
+        case TOX_NETPROF_PACKET_ID_ANNOUNCE_RESPONSE:
+        case TOX_NETPROF_PACKET_ID_ONION_DATA_REQUEST:
+        case TOX_NETPROF_PACKET_ID_ONION_DATA_RESPONSE:
+        case TOX_NETPROF_PACKET_ID_ONION_RECV_3:
+        case TOX_NETPROF_PACKET_ID_ONION_RECV_2:
+        case TOX_NETPROF_PACKET_ID_ONION_RECV_1:
+        case TOX_NETPROF_PACKET_ID_BOOTSTRAP_INFO: {
+            if (UDP_id_recv || UDP_id_sent) {
+                fprintf(fp, "0x%02x (total):     %lu (%.2f%%)\n", id, UDP_id_sent + UDP_id_recv,
+                        ((float)UDP_id_recv + UDP_id_sent) / total * 100.0);
+            }
+
+            if (UDP_id_sent) {
+                fprintf(fp, "0x%02x (sent):      %lu (%.2f%%)\n", id, UDP_id_sent, (float)UDP_id_sent / total * 100.0);
+            }
+
+            if (UDP_id_recv) {
+                fprintf(fp, "0x%02x (recv):      %lu (%.2f%%)\n", id, UDP_id_recv, (float)UDP_id_recv / total * 100.0);
+            }
+
+            break;
+        }
+
+        default:
+            return;
+    }
+}
+
+static void dump_packet_id_counts(const Tox *m, FILE *fp, uint64_t total_count, Tox_Netprof_Packet_Type packet_type)
+{
+    if (packet_type == TOX_NETPROF_PACKET_TYPE_TCP) {
+        fprintf(fp, "--- TCP packet counts by packet ID --- \n");
+    } else {
+        fprintf(fp, "--- UDP packet counts by packet ID --- \n");
+    }
+
+    for (unsigned long i = TOX_NETPROF_PACKET_ID_ZERO; i <= TOX_NETPROF_PACKET_ID_BOOTSTRAP_INFO; ++i) {
+        const uint64_t id_count_sent = tox_netprof_get_packet_id_count(m, packet_type, i, TOX_NETPROF_DIRECTION_SENT);
+        const uint64_t id_count_recv = tox_netprof_get_packet_id_count(m, packet_type, i, TOX_NETPROF_DIRECTION_RECV);
+
+        if (packet_type == TOX_NETPROF_PACKET_TYPE_TCP) {
+            log_tcp_packet_id(fp, i, total_count, id_count_sent, id_count_recv);
+        } else {
+            log_udp_packet_id(fp, i, total_count, id_count_sent, id_count_recv);
+        }
+    }
+
+    fprintf(fp, "\n\n");
+}
+
+static void dump_packet_id_bytes(const Tox *m, FILE *fp, uint64_t total_bytes, Tox_Netprof_Packet_Type packet_type)
+{
+    if (packet_type == TOX_NETPROF_PACKET_TYPE_TCP) {
+        fprintf(fp, "--- TCP byte counts by packet ID --- \n");
+    } else {
+        fprintf(fp, "--- UDP byte counts by packet ID --- \n");
+    }
+
+    for (unsigned long i = TOX_NETPROF_PACKET_ID_ZERO; i <= TOX_NETPROF_PACKET_ID_BOOTSTRAP_INFO; ++i) {
+        const uint64_t id_bytes_sent = tox_netprof_get_packet_id_bytes(m, packet_type, i, TOX_NETPROF_DIRECTION_SENT);
+        const uint64_t id_bytes_recv = tox_netprof_get_packet_id_bytes(m, packet_type, i, TOX_NETPROF_DIRECTION_RECV);
+
+        if (packet_type == TOX_NETPROF_PACKET_TYPE_TCP) {
+            log_tcp_packet_id(fp, i, total_bytes, id_bytes_sent, id_bytes_recv);
+        } else {
+            log_udp_packet_id(fp, i, total_bytes, id_bytes_sent, id_bytes_recv);
+        }
+    }
+
+    fprintf(fp, "\n\n");
+}
+
+static void dump_packet_count_totals(const Tox *m, FILE *fp, uint64_t total_packet_count,
+                                     uint64_t UDP_count_sent, uint64_t UDP_count_recv,
+                                     uint64_t TCP_count_sent, uint64_t TCP_count_recv)
+{
+    const uint64_t total_UDP_count = UDP_count_sent + UDP_count_recv;
+    const uint64_t total_TCP_count = TCP_count_sent + TCP_count_recv;
+    const uint64_t total_packet_count_sent = UDP_count_sent + TCP_count_sent;
+    const uint64_t total_packet_count_recv = UDP_count_recv + TCP_count_recv;
+
+    fprintf(fp, "--- Total packet counts --- \n");
+
+    fprintf(fp, "Total packets:          %lu\n", total_packet_count);
+
+    fprintf(fp, "Total packets sent:     %lu (%.2f%%)\n", total_packet_count_sent,
+            (float)total_packet_count_sent / total_packet_count * 100.0);
+
+    fprintf(fp, "Total packets recv:     %lu (%.2f%%)\n", total_packet_count_recv,
+            (float)total_packet_count_recv / total_packet_count * 100.0);
+
+    fprintf(fp, "total UDP packets:      %lu (%.2f%%)\n", total_UDP_count,
+            (float)total_UDP_count / total_packet_count * 100.0);
+
+    fprintf(fp, "UDP packets sent:       %lu (%.2f%%)\n", UDP_count_sent,
+            (float)UDP_count_sent / total_packet_count * 100.0);
+
+    fprintf(fp, "UDP packets recv:       %lu (%.2f%%)\n", UDP_count_recv,
+            (float)UDP_count_recv / total_packet_count * 100.0);
+
+    fprintf(fp, "Total TCP packets:      %lu (%.2f%%)\n", total_TCP_count,
+            (float)total_TCP_count / total_packet_count * 100.0);
+
+    fprintf(fp, "TCP packets sent:       %lu (%.2f%%)\n", TCP_count_sent,
+            (float)TCP_count_sent / total_packet_count * 100.0);
+
+    fprintf(fp, "TCP packets recv:       %lu (%.2f%%)\n", TCP_count_recv,
+            (float)TCP_count_recv / total_packet_count * 100.0);
+
+    fprintf(fp, "\n\n");
+}
+
+void dump_packet_bytes_totals(const Tox *m, FILE *fp, const uint64_t total_bytes,
+                              const uint64_t UDP_bytes_sent, const uint64_t UDP_bytes_recv,
+                              const uint64_t TCP_bytes_sent, const uint64_t TCP_bytes_recv)
+{
+    const uint64_t total_UDP_bytes = UDP_bytes_sent + UDP_bytes_recv;
+    const uint64_t total_TCP_bytes = TCP_bytes_sent + TCP_bytes_recv;
+    const uint64_t total_bytes_sent = UDP_bytes_sent + TCP_bytes_sent;
+    const uint64_t total_bytes_recv = UDP_bytes_recv + TCP_bytes_recv;
+
+    fprintf(fp, "--- Total byte counts --- \n");
+
+    fprintf(fp, "Total bytes:            %lu\n", total_bytes);
+
+    fprintf(fp, "Total bytes sent:       %lu (%.2f%%)\n", total_bytes_sent,
+            (float)total_bytes_sent / total_bytes * 100.0);
+
+    fprintf(fp, "Total bytes recv:       %lu (%.2f%%)\n", total_bytes_recv,
+            (float)total_bytes_recv / total_bytes * 100.0);
+
+    fprintf(fp, "Total UDP bytes:        %lu (%.2f%%)\n", total_UDP_bytes,
+            (float)total_UDP_bytes / total_bytes * 100.0);
+
+    fprintf(fp, "UDP bytes sent:         %lu (%.2f%%)\n", UDP_bytes_sent,
+            (float)UDP_bytes_sent / total_bytes * 100.0);
+
+    fprintf(fp, "UDP bytes recv:         %lu (%.2f%%)\n", UDP_bytes_recv,
+            (float)UDP_bytes_recv / total_bytes * 100.0);
+
+    fprintf(fp, "Total TCP bytes:        %lu (%.2f%%)\n", total_TCP_bytes,
+            (float)total_TCP_bytes / total_bytes * 100.0);
+
+    fprintf(fp, "TCP bytes sent:         %lu (%.2f%%)\n", TCP_bytes_sent,
+            (float)TCP_bytes_sent / total_bytes * 100.0);
+
+    fprintf(fp, "TCP bytes recv:         %lu (%.2f%%)\n", TCP_bytes_recv,
+            (float)TCP_bytes_recv / total_bytes * 100.0);
+
+    fprintf(fp, "\n\n");
+}
+
+void netprof_log_dump(const Tox *m, FILE *fp, time_t run_time)
+{
+    if (fp == NULL) {
+        fprintf(stderr, "Failed to dump network statistics: null file pointer\n");
+        return;
+    }
+
+    const uint64_t UDP_count_sent = tox_netprof_get_packet_total_count(m, TOX_NETPROF_PACKET_TYPE_UDP,
+                                    TOX_NETPROF_DIRECTION_SENT);
+    const uint64_t UDP_count_recv = tox_netprof_get_packet_total_count(m, TOX_NETPROF_PACKET_TYPE_UDP,
+                                    TOX_NETPROF_DIRECTION_RECV);
+    const uint64_t TCP_count_sent = tox_netprof_get_packet_total_count(m, TOX_NETPROF_PACKET_TYPE_TCP,
+                                    TOX_NETPROF_DIRECTION_SENT);
+    const uint64_t TCP_count_recv = tox_netprof_get_packet_total_count(m, TOX_NETPROF_PACKET_TYPE_TCP,
+                                    TOX_NETPROF_DIRECTION_RECV);
+    const uint64_t UDP_bytes_sent = tox_netprof_get_packet_total_bytes(m, TOX_NETPROF_PACKET_TYPE_UDP,
+                                    TOX_NETPROF_DIRECTION_SENT);
+    const uint64_t UDP_bytes_recv = tox_netprof_get_packet_total_bytes(m, TOX_NETPROF_PACKET_TYPE_UDP,
+                                    TOX_NETPROF_DIRECTION_RECV);
+    const uint64_t TCP_bytes_sent = tox_netprof_get_packet_total_bytes(m, TOX_NETPROF_PACKET_TYPE_TCP,
+                                    TOX_NETPROF_DIRECTION_SENT);
+    const uint64_t TCP_bytes_recv = tox_netprof_get_packet_total_bytes(m, TOX_NETPROF_PACKET_TYPE_TCP,
+                                    TOX_NETPROF_DIRECTION_RECV);
+
+    const uint64_t total_count = UDP_count_sent + UDP_count_recv + TCP_count_sent + TCP_count_recv;
+    const uint64_t total_bytes = UDP_bytes_sent + UDP_bytes_recv + TCP_bytes_sent + TCP_bytes_recv;
+
+    fprintf(fp, "--- Tox network profile log dump ---\n");
+    fprintf(fp, "Run time: %lu seconds\n", run_time);
+
+    if (run_time && total_count && total_bytes) {
+        fprintf(fp, "Average kilobytes per second: %.2f\n", ((float)total_bytes / run_time) / 1000.0);
+        fprintf(fp, "Average packets per second: %lu\n", total_count / run_time);
+        fprintf(fp, "Average packet size: %lu bytes\n", total_bytes / total_count);
+        fprintf(fp, "\n");
+    }
+
+    dump_packet_count_totals(m, fp, total_count, UDP_count_sent, UDP_count_recv, TCP_count_sent, TCP_count_recv);
+    dump_packet_bytes_totals(m, fp, total_bytes, UDP_bytes_sent, UDP_bytes_recv, TCP_bytes_sent, TCP_bytes_recv);
+    dump_packet_id_counts(m, fp, total_count, TOX_NETPROF_PACKET_TYPE_TCP);
+    dump_packet_id_counts(m, fp, total_count, TOX_NETPROF_PACKET_TYPE_UDP);
+    dump_packet_id_bytes(m, fp, total_bytes, TOX_NETPROF_PACKET_TYPE_TCP);
+    dump_packet_id_bytes(m, fp, total_bytes, TOX_NETPROF_PACKET_TYPE_UDP);
+
+    fflush(fp);
+}
+
+uint64_t netprof_get_bytes_up(const Tox *m)
+{
+    const uint64_t UDP_bytes_sent = tox_netprof_get_packet_total_bytes(m, TOX_NETPROF_PACKET_TYPE_UDP,
+                                    TOX_NETPROF_DIRECTION_SENT);
+    const uint64_t TCP_bytes_sent = tox_netprof_get_packet_total_bytes(m, TOX_NETPROF_PACKET_TYPE_TCP,
+                                    TOX_NETPROF_DIRECTION_SENT);
+
+    return UDP_bytes_sent + TCP_bytes_sent;
+
+}
+
+uint64_t netprof_get_bytes_down(const Tox *m)
+{
+    const uint64_t UDP_bytes_recv = tox_netprof_get_packet_total_bytes(m, TOX_NETPROF_PACKET_TYPE_UDP,
+                                    TOX_NETPROF_DIRECTION_RECV);
+    const uint64_t TCP_bytes_recv = tox_netprof_get_packet_total_bytes(m, TOX_NETPROF_PACKET_TYPE_TCP,
+                                    TOX_NETPROF_DIRECTION_RECV);
+
+    return UDP_bytes_recv + TCP_bytes_recv;
+}

src/netprof.h

@@ -0,0 +1,35 @@
+/*  netprof.h
+ *
+ *
+ *  Copyright (C) 2022 Toxic All Rights Reserved.
+ *
+ *  This file is part of Toxic.
+ *
+ *  Toxic is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Toxic is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Toxic.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef TOXIC_NETPROF
+#define TOXIC_NETPROF
+
+#include <stdio.h>
+#include <time.h>
+#include <tox/tox.h>
+
+void netprof_log_dump(const Tox *m, FILE *fp, time_t run_time);
+
+uint64_t netprof_get_bytes_down(const Tox *m);
+uint64_t netprof_get_bytes_up(const Tox *m);
+
+#endif  // TOXIC_NETPROF

src/notify.c

@@ -489,16 +489,27 @@ void terminate_notify(void)
 }
 
 #ifdef SOUND_NOTIFY
-int set_sound(Notification sound, const char *value)
+
+/*
+ * Sets notification sound designated by `sound` to file path `value`.
+ *
+ * Return true if the sound is successfully set.
+ */
+bool set_sound(Notification sound, const char *value)
 {
     if (sound == silent) {
-        return 0;
+        return false;
     }
 
     free(Control.sounds[sound]);
 
     size_t len = strlen(value) + 1;
     Control.sounds[sound] = calloc(len, 1);
+
+    if (Control.sounds[sound] == NULL) {
+        return false;
+    }
+
     memcpy(Control.sounds[sound], value, len);
 
     struct stat buf;

src/notify.h

@@ -77,7 +77,7 @@ int box_silent_notify(ToxWindow *self, uint64_t flags, int *id_indicator, const
 int box_silent_notify2(ToxWindow *self, uint64_t flags, int id, const char *format, ...);
 
 #ifdef SOUND_NOTIFY
-int set_sound(Notification sound, const char *value);
+bool set_sound(Notification sound, const char *value);
 #endif /* SOUND_NOTIFY */
 
 #endif /* NOTIFY_H */

src/prompt.c

@@ -36,6 +36,7 @@
 #include "line_info.h"
 #include "log.h"
 #include "misc_tools.h"
+#include "netprof.h"
 #include "notify.h"
 #include "prompt.h"
 #include "settings.h"
@@ -175,9 +176,7 @@ static int add_friend_request(const char *public_key, const char *data)
         return -1;
     }
 
-    int i;
+    for (int i = 0; i <= FrndRequests.max_idx; ++i) {
-
-    for (i = 0; i <= FrndRequests.max_idx; ++i) {
         if (!FrndRequests.request[i].active) {
             FrndRequests.request[i].active = true;
             memcpy(FrndRequests.request[i].key, public_key, TOX_PUBLIC_KEY_SIZE);
@@ -307,6 +306,77 @@ static bool prompt_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
     return input_ret;
 }
 
+#define NET_INFO_REFRESH_INTERVAL 1
+static void draw_network_info(const Tox *m, StatusBar *stb)
+{
+    WINDOW *win = stb->topline;
+
+    wattron(win, COLOR_PAIR(BAR_TEXT));
+    wprintw(win, "%s", stb->network_info);
+    wattroff(win, COLOR_PAIR(BAR_TEXT));
+
+    if (!timed_out(stb->time_last_refreshed, NET_INFO_REFRESH_INTERVAL)) {
+        return;
+    }
+
+    stb->time_last_refreshed = get_unix_time();
+
+    const uint64_t up_bytes = netprof_get_bytes_up(m);
+    const uint64_t down_bytes = netprof_get_bytes_down(m);
+
+    const uint64_t up_delta = (up_bytes - stb->up_bytes) / NET_INFO_REFRESH_INTERVAL;
+    const uint64_t down_delta = (down_bytes - stb->down_bytes) / NET_INFO_REFRESH_INTERVAL;
+
+    stb->up_bytes = up_bytes;
+    stb->down_bytes = down_bytes;
+
+    float up = up_bytes;
+    float down = down_bytes;
+    const char *up_unit = "bytes";
+    const char *down_unit = "bytes";
+
+    if (up_bytes > MiB) {
+        up /= (float)MiB;
+        up_unit = "MiB";
+    } else if (up_bytes > KiB) {
+        up /= (float)KiB;
+        up_unit = "KiB";
+    }
+
+    if (down_bytes > MiB) {
+        down /= (float)MiB;
+        down_unit = "MiB";
+    } else if (down_bytes > KiB) {
+        down /= (float)KiB;
+        down_unit = "KiB";
+    }
+
+    float up_bps = up_delta;
+    float down_bps = down_delta;
+    const char *up_bps_unit = "b/s";
+    const char *down_bps_unit = "b/s";
+
+    if (up_bps > MiB) {
+        up_bps /= (float)MiB;
+        up_bps_unit = "MiB/s";
+    } else if (up_bps > KiB) {
+        up_bps /= (float)KiB;
+        up_bps_unit = "KiB/s";
+    }
+
+    if (down_bps > MiB) {
+        down_bps /= (float)MiB;
+        down_bps_unit = "MiB/s";
+    } else if (down_bps > KiB) {
+        down_bps /= (float)KiB;
+        down_bps_unit = "KiB/s";
+    }
+
+    snprintf(stb->network_info, sizeof(stb->network_info),
+             " | [Up: %.1f%s (%.1f%s) | Down: %.1f%s (%.1f%s)]", up, up_unit, up_bps, up_bps_unit,
+             down, down_unit, down_bps, down_bps_unit);
+}
+
 static void prompt_onDraw(ToxWindow *self, Tox *m)
 {
     int x2;
@@ -464,6 +534,10 @@ static void prompt_onDraw(ToxWindow *self, Tox *m)
         wattroff(statusbar->topline, COLOR_PAIR(BAR_TEXT));
     }
 
+    if (user_settings->show_network_info) {
+        draw_network_info(m, statusbar);
+    }
+
     int y;
     int x;
     getyx(self->window, y, x);
@@ -526,6 +600,26 @@ static void prompt_onConnectionChange(ToxWindow *self, Tox *m, uint32_t friendnu
     }
 }
 
+/**
+ * Return true is the first 3 bytes of `key` are identical to any other contact in the contact list.
+ */
+static bool key_is_similar(const char *key)
+{
+    for (size_t i = 0; i < Friends.max_idx; ++i) {
+        const ToxicFriend *friend = &Friends.list[i];
+
+        if (!friend->active) {
+            continue;
+        }
+
+        if (memcmp(friend->pub_key, key, KEY_IDENT_BYTES / 2) == 0) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
 static void prompt_onFriendRequest(ToxWindow *self, Tox *m, const char *key, const char *data, size_t length)
 {
     UNUSED_VAR(m);
@@ -536,6 +630,13 @@ static void prompt_onFriendRequest(ToxWindow *self, Tox *m, const char *key, con
     line_info_add(self, true, NULL, NULL, SYS_MSG, 0, 0, "Friend request with the message '%s'", data);
     write_to_log("Friend request with the message '%s'", "", ctx->log, true);
 
+    if (key_is_similar(key)) {
+        line_info_add(self, false, NULL, NULL, SYS_MSG, 0, RED,
+                      "WARNING: This contact's public key is suspiciously similar to that of another contact ");
+        line_info_add(self, false, NULL, NULL, SYS_MSG, 0, RED,
+                      "in your list. This may be an impersonation attempt, or it may have occurred by chance.");
+    }
+
     int n = add_friend_request(key, data);
 
     if (n == -1) {

src/prompt.h

@@ -40,6 +40,9 @@ typedef struct FriendRequests {
     struct friend_request request[MAX_FRIEND_REQUESTS];
 } FriendRequests;
 
+extern ToxWindow *prompt;
+extern FriendRequests FrndRequests;
+
 ToxWindow *new_prompt(void);
 
 void prep_prompt_win(void);

src/python_api.c

@@ -20,9 +20,10 @@
  *
  */
 
+#include "api.h"
+
 #ifdef PYTHON
 #include <Python.h>
-#include "api.h"
 
 #include "execute.h"
 

src/settings.c

@@ -63,6 +63,7 @@ static struct ui_strings {
     const char *show_typing_other;
     const char *show_welcome_msg;
     const char *show_connection_msg;
+    const char *show_network_info;
     const char *nodeslist_update_freq;
     const char *autosave_freq;
 
@@ -97,6 +98,7 @@ static struct ui_strings {
     "show_typing_other",
     "show_welcome_msg",
     "show_connection_msg",
+    "show_network_info",
     "nodeslist_update_freq",
     "autosave_freq",
     "line_join",
@@ -130,6 +132,7 @@ static void ui_defaults(struct user_settings *settings)
     settings->show_typing_other = SHOW_TYPING_ON;
     settings->show_welcome_msg = SHOW_WELCOME_MSG_ON;
     settings->show_connection_msg = SHOW_CONNECTION_MSG_ON;
+    settings->show_network_info = SHOW_NETWORK_INFO_OFF;
     settings->nodeslist_update_freq = 7;
     settings->autosave_freq = 600;
 
@@ -398,6 +401,7 @@ int settings_load(struct user_settings *s, const char *patharg)
         config_setting_lookup_bool(setting, ui_strings.show_typing_other, &s->show_typing_other);
         config_setting_lookup_bool(setting, ui_strings.show_welcome_msg, &s->show_welcome_msg);
         config_setting_lookup_bool(setting, ui_strings.show_connection_msg, &s->show_connection_msg);
+        config_setting_lookup_bool(setting, ui_strings.show_network_info, &s->show_network_info);
 
         config_setting_lookup_int(setting, ui_strings.history_size, &s->history_size);
         config_setting_lookup_int(setting, ui_strings.notification_timeout, &s->notification_timeout);

src/settings.h

@@ -54,6 +54,7 @@ struct user_settings {
     int show_typing_other; /* boolean */
     int show_welcome_msg;  /* boolean */
     int show_connection_msg;  /* boolean */
+    int show_network_info; /* boolean */
     int nodeslist_update_freq;  /* int (<= 0 to disable updates) */
     int autosave_freq; /* int (<= 0 to disable autosave) */
 
@@ -96,6 +97,8 @@ struct user_settings {
 #endif
 };
 
+extern struct user_settings *user_settings;
+
 enum settings_values {
     AUTOLOG_OFF = 0,
     AUTOLOG_ON = 1,
@@ -118,6 +121,9 @@ enum settings_values {
     SHOW_CONNECTION_MSG_OFF = 0,
     SHOW_CONNECTION_MSG_ON = 1,
 
+    SHOW_NETWORK_INFO_OFF = 0,
+    SHOW_NETWORK_INFO_ON = 1,
+
     DFLT_HST_SIZE = 700,
 
     MPLEX_OFF = 0,

src/toxic.c

@@ -58,6 +58,7 @@
 #include "message_queue.h"
 #include "misc_tools.h"
 #include "name_lookup.h"
+#include "netprof.h"
 #include "notify.h"
 #include "prompt.h"
 #include "settings.h"
@@ -74,7 +75,7 @@
 #ifdef VIDEO
 #include "video_call.h"
 #endif /* VIDEO */
-ToxAV *av;
+static ToxAV *av;
 #endif /* AUDIO */
 
 #ifdef PYTHON
@@ -98,10 +99,13 @@ ToxWindow *prompt = NULL;
 #define MAX_PASSWORD_LEN 64
 
 struct Winthread Winthread;
-struct cqueue_thread cqueue_thread;
+static struct cqueue_thread cqueue_thread;
-struct av_thread av_thread;
 struct arg_opts arg_opts;
 
+#ifdef AUDIO
+static struct av_thread av_thread;
+#endif
+
 // This struct is not thread safe. It should only ever be written to from the main thread
 // before any other thread that uses it is initialized.
 struct user_settings *user_settings = NULL;
@@ -140,6 +144,22 @@ static void catch_SIGSEGV(int sig)
     exit(EXIT_FAILURE);
 }
 
+void cb_toxcore_logger(Tox *m, TOX_LOG_LEVEL level, const char *file, uint32_t line, const char *func,
+                       const char *message, void *user_data)
+{
+    UNUSED_VAR(user_data);
+    UNUSED_VAR(file);
+    UNUSED_VAR(m);
+
+    if (user_data) {
+        FILE *fp = (FILE *)user_data;
+        fprintf(fp, "[%d] %u:%s() - %s\n", level, line, func, message);
+        fflush(fp);
+    } else {
+        fprintf(stderr, "[%d] %u:%s() - %s\n", level, line, func, message);
+    }
+}
+
 static void flag_window_resize(int sig)
 {
     UNUSED_VAR(sig);
@@ -174,6 +194,10 @@ void free_global_data(void)
 
 void exit_toxic_success(Tox *m)
 {
+    if (arg_opts.netprof_log_dump) {
+        netprof_log_dump(m, arg_opts.netprof_fp, get_unix_time() - arg_opts.netprof_start_time);
+    }
+
     store_data(m, DATA_FILE);
 
     user_password = (struct user_password) {
@@ -204,6 +228,11 @@ void exit_toxic_success(Tox *m)
         arg_opts.log_fp = NULL;
     }
 
+    if (arg_opts.netprof_fp != NULL) {
+        fclose(arg_opts.netprof_fp);
+        arg_opts.netprof_fp = NULL;
+    }
+
     endwin();
     curl_global_cleanup();
 
@@ -226,22 +255,6 @@ void exit_toxic_err(const char *errmsg, int errcode)
     exit(EXIT_FAILURE);
 }
 
-void cb_toxcore_logger(Tox *m, TOX_LOG_LEVEL level, const char *file, uint32_t line, const char *func,
-                       const char *message, void *user_data)
-{
-    UNUSED_VAR(user_data);
-    UNUSED_VAR(file);
-    UNUSED_VAR(m);
-
-    if (user_data) {
-        FILE *fp = (FILE *)user_data;
-        fprintf(fp, "[%d] %u:%s() - %s\n", level, line, func, message);
-        fflush(fp);
-    } else {
-        fprintf(stderr, "[%d] %u:%s() - %s\n", level, line, func, message);
-    }
-}
-
 /* Sets ncurses refresh rate. Lower values make it refresh more often. */
 void set_window_refresh_rate(size_t refresh_rate)
 {
@@ -1196,6 +1209,7 @@ static void print_usage(void)
     fprintf(stderr, "  -p, --SOCKS5-proxy       Use SOCKS5 proxy: Requires [IP] [port]\n");
     fprintf(stderr, "  -P, --HTTP-proxy         Use HTTP proxy: Requires [IP] [port]\n");
     fprintf(stderr, "  -r, --namelist           Use specified name lookup server list\n");
+    fprintf(stderr, "  -s, --netstats           Dump network statistic to log on exit: Requires [path]\n");
     fprintf(stderr, "  -t, --force-tcp          Force toxic to use a TCP connection (use with proxies)\n");
     fprintf(stderr, "  -T, --tcp-server         Act as a TCP relay server: Requires [port]\n");
     fprintf(stderr, "  -u, --unencrypt-data     Unencrypt an encrypted data file\n");
@@ -1235,6 +1249,7 @@ static void parse_args(int argc, char *argv[])
         {"help", no_argument, 0, 'h'},
         {"noconnect", no_argument, 0, 'o'},
         {"namelist", required_argument, 0, 'r'},
+        {"netstats", required_argument, 0, 's'},
         {"force-tcp", no_argument, 0, 't'},
         {"tcp-server", required_argument, 0, 'T'},
         {"SOCKS5-proxy", required_argument, 0, 'p'},
@@ -1244,7 +1259,7 @@ static void parse_args(int argc, char *argv[])
         {NULL, no_argument, NULL, 0},
     };
 
-    const char *opts_str = "4bdehLotuxvc:f:l:n:r:p:P:T:";
+    const char *opts_str = "4bdehLotuxvc:f:l:n:r:s:p:P:T:";
     int opt = 0;
     int indexptr = 0;
 
@@ -1440,6 +1455,25 @@ static void parse_args(int argc, char *argv[])
                 break;
             }
 
+            case 's': {
+                if (optarg == NULL) {
+                    queue_init_message("Invalid argument for option: %d", opt);
+                    break;
+                }
+
+                arg_opts.netprof_fp = fopen(optarg, "w");
+
+                if (arg_opts.netprof_fp != NULL) {
+                    queue_init_message("Network profile logging enabled. Logging to file: '%s'", optarg);
+                    arg_opts.netprof_log_dump = true;
+                    arg_opts.netprof_start_time = time(NULL);
+                } else {
+                    queue_init_message("Failed to open file '%s' for network profile logging.", optarg);
+                }
+
+                break;
+            }
+
             case 'u': {
                 arg_opts.unencrypt_data = 1;
                 break;

src/toxic.h

@@ -23,6 +23,10 @@
 #ifndef TOXIC_H
 #define TOXIC_H
 
+#ifndef NCURSES_WIDECHAR
+#define NCURSES_WIDECHAR 1
+#endif
+
 #ifndef TOXICVER
 #define TOXICVER "NOVERS"    /* Use the -D flag to set this */
 #endif
@@ -46,7 +50,7 @@
 #define MAX_STR_SIZE TOX_MAX_MESSAGE_LENGTH    /* must be >= TOX_MAX_MESSAGE_LENGTH */
 #define MAX_CMDNAME_SIZE 64
 #define TOXIC_MAX_NAME_LENGTH 32   /* Must be <= TOX_MAX_NAME_LENGTH */
-#define KEY_IDENT_DIGITS 3    /* number of hex digits to display for the pub-key based identifier */
+#define KEY_IDENT_BYTES 6    /* number of hex digits to display for the public key identifier */
 #define TIME_STR_SIZE 32
 #define COLOR_STR_SIZE 10 /* should fit every color option */
 
@@ -145,5 +149,7 @@ void on_friend_typing(Tox *m, uint32_t friendnumber, bool is_typing, void *userd
 void on_friend_read_receipt(Tox *m, uint32_t friendnumber, uint32_t receipt, void *userdata);
 void on_lossless_custom_packet(Tox *m, uint32_t friendnumber, const uint8_t *data, size_t length, void *userdata);
 
+extern char *DATA_FILE;
+extern char *BLOCK_FILE;
 
 #endif /* TOXIC_H */

src/video_device.c

@@ -92,21 +92,21 @@ typedef struct VideoDevice {
 
 } VideoDevice;
 
-const char *dvideo_device_names[2];              /* Default device */
+static const char *dvideo_device_names[2];        /* Default device */
-const char *video_devices_names[2][MAX_DEVICES]; /* Container of available devices */
+static char *video_devices_names[2][MAX_DEVICES]; /* Container of available devices */
-static int size[2];                        /* Size of above containers */
+static int size[2];                               /* Size of above containers */
-VideoDevice *video_devices_running[2][MAX_DEVICES] = {{NULL}};     /* Running devices */
+static VideoDevice *video_devices_running[2][MAX_DEVICES] = {{NULL}}; /* Running devices */
-uint32_t primary_video_device[2];          /* Primary device */
+static uint32_t primary_video_device[2];                              /* Primary device */
 
 static ToxAV *av = NULL;
 
 /* q_mutex */
 #define lock pthread_mutex_lock(&video_mutex)
 #define unlock pthread_mutex_unlock(&video_mutex)
-pthread_mutex_t video_mutex;
+static pthread_mutex_t video_mutex;
 
-bool video_thread_running = true,
+static bool video_thread_running = true;
-     video_thread_paused = true;                /* Thread control */
+static bool video_thread_paused = true;                /* Thread control */
 
 void *video_thread_poll(void *);
 
@@ -187,7 +187,7 @@ VideoDeviceError init_video_devices(void)
 
 #if defined(__OSX__) || defined(__APPLE__)
 
-    if (osx_video_init((char **)video_devices_names[vdt_input], &size[vdt_input]) != 0) {
+    if (osx_video_init(&video_devices_names[vdt_input][0], &size[vdt_input]) != 0) {
         return vde_InternalError;
     }
 
@@ -209,12 +209,24 @@ VideoDeviceError init_video_devices(void)
             /* Query V4L for capture capabilities */
             if (-1 != ioctl(fd, VIDIOC_QUERYCAP, &cap)) {
                 video_input_name = (char *)malloc(strlen((const char *)cap.card) + strlen(device_address) + 4);
+
+                if (video_input_name == NULL) {
+                    close(fd);
+                    return vde_InternalError;
+                }
+
                 strcpy(video_input_name, (char *)cap.card);
                 strcat(video_input_name, " (");
                 strcat(video_input_name, (char *)device_address);
                 strcat(video_input_name, ")");
             } else {
                 video_input_name = (char *)malloc(strlen(device_address) + 3);
+
+                if (video_input_name == NULL) {
+                    close(fd);
+                    return vde_InternalError;
+                }
+
                 strcpy(video_input_name, "(");
                 strcat(video_input_name, device_address);
                 strcat(video_input_name, ")");
@@ -229,6 +241,9 @@ VideoDeviceError init_video_devices(void)
 #endif
 
     size[vdt_output] = 1;
+    // TODO(iphydf): String literals are const char *. This may need to be
+    // copied, or if we're not owning any output device names, it should be
+    // const and video_devices_names needs to be split.
     char *video_output_name = "Toxic Video Receiver";
     video_devices_names[vdt_output][0] = video_output_name;
 
@@ -262,7 +277,7 @@ VideoDeviceError terminate_video_devices(void)
     int i;
 
     for (i = 0; i < size[vdt_input]; ++i) {
-        free((void *)video_devices_names[vdt_input][i]);
+        free(video_devices_names[vdt_input][i]);
     }
 
     if (pthread_mutex_destroy(&video_mutex) != 0) {

src/windows.c

@@ -41,16 +41,10 @@
 #include "game_base.h"
 #endif
 
-extern char *DATA_FILE;
-extern struct Winthread Winthread;
-
 ToxWindow *windows[MAX_WINDOWS_NUM];
 static uint8_t active_window_index;
 static int num_active_windows;
 
-extern ToxWindow *prompt;
-extern struct user_settings *user_settings;
-
 /* CALLBACKS START */
 void on_friend_request(Tox *m, const uint8_t *public_key, const uint8_t *data, size_t length, void *userdata)
 {
@@ -196,7 +190,7 @@ void on_conference_invite(Tox *m, uint32_t friendnumber, Tox_Conference_Type typ
 
     for (uint8_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
         if (windows[i] != NULL && windows[i]->onConferenceInvite != NULL) {
-            windows[i]->onConferenceInvite(windows[i], m, friendnumber, type, (char *) conference_pub_key, length);
+            windows[i]->onConferenceInvite(windows[i], m, friendnumber, type, (const char *) conference_pub_key, length);
         }
     }
 }
@@ -250,7 +244,7 @@ void on_file_chunk_request(Tox *m, uint32_t friendnumber, uint32_t filenumber, u
 {
     UNUSED_VAR(userdata);
 
-    struct FileTransfer *ft = get_file_transfer_struct(friendnumber, filenumber);
+    FileTransfer *ft = get_file_transfer_struct(friendnumber, filenumber);
 
     if (!ft) {
         return;
@@ -273,7 +267,7 @@ void on_file_recv_chunk(Tox *m, uint32_t friendnumber, uint32_t filenumber, uint
 {
     UNUSED_VAR(userdata);
 
-    struct FileTransfer *ft = get_file_transfer_struct(friendnumber, filenumber);
+    FileTransfer *ft = get_file_transfer_struct(friendnumber, filenumber);
 
     if (!ft) {
         return;
@@ -281,7 +275,7 @@ void on_file_recv_chunk(Tox *m, uint32_t friendnumber, uint32_t filenumber, uint
 
     for (uint8_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
         if (windows[i] != NULL && windows[i]->onFileRecvChunk != NULL) {
-            windows[i]->onFileRecvChunk(windows[i], m, friendnumber, filenumber, position, (char *) data, length);
+            windows[i]->onFileRecvChunk(windows[i], m, friendnumber, filenumber, position, (const char *) data, length);
         }
     }
 }
@@ -291,7 +285,7 @@ void on_file_recv_control(Tox *m, uint32_t friendnumber, uint32_t filenumber, To
 {
     UNUSED_VAR(userdata);
 
-    struct FileTransfer *ft = get_file_transfer_struct(friendnumber, filenumber);
+    FileTransfer *ft = get_file_transfer_struct(friendnumber, filenumber);
 
     if (!ft) {
         return;
@@ -322,7 +316,7 @@ void on_file_recv(Tox *m, uint32_t friendnumber, uint32_t filenumber, uint32_t k
 
     for (uint8_t i = 0; i < MAX_WINDOWS_NUM; ++i) {
         if (windows[i] != NULL && windows[i]->onFileRecv != NULL) {
-            windows[i]->onFileRecv(windows[i], m, friendnumber, filenumber, file_size, (char *) filename,
+            windows[i]->onFileRecv(windows[i], m, friendnumber, filenumber, file_size, (const char *) filename,
                                    filename_length);
         }
     }
@@ -691,10 +685,10 @@ void draw_window_bar(ToxWindow *self)
 
     int cur_x;
     int cur_y;
-    UNUSED_VAR(cur_y);
-
     getyx(win, cur_y, cur_x);
 
+    UNUSED_VAR(cur_y);
+
     wattron(win, COLOR_PAIR(BAR_TEXT));
     mvwhline(win, 0, cur_x, ' ', COLS - cur_x);
     wattroff(win, COLOR_PAIR(BAR_TEXT));

src/windows.h

@@ -114,6 +114,8 @@ struct Winthread {
     volatile sig_atomic_t last_refresh_flag;
 };
 
+extern struct Winthread Winthread;
+
 struct cqueue_thread {
     pthread_t tid;
 };
@@ -140,6 +142,10 @@ struct arg_opts {
     bool logging;
     FILE *log_fp;
 
+    bool   netprof_log_dump;
+    time_t netprof_start_time;
+    FILE   *netprof_fp;
+
     char proxy_address[256];
     uint8_t proxy_type;
     uint16_t proxy_port;
@@ -147,6 +153,8 @@ struct arg_opts {
     uint16_t tcp_port;
 };
 
+extern struct arg_opts arg_opts;
+
 typedef struct ToxWindow ToxWindow;
 typedef struct StatusBar StatusBar;
 typedef struct PromptBuf PromptBuf;
@@ -233,6 +241,8 @@ struct ToxWindow {
     WINDOW *window_bar;
 };
 
+extern ToxWindow *windows[MAX_WINDOWS_NUM];
+
 /* statusbar info holder */
 struct StatusBar {
     WINDOW *topline;
@@ -242,6 +252,12 @@ struct StatusBar {
     size_t nick_len;
     Tox_User_Status status;
     Tox_Connection connection;
+
+    /* network info */
+    uint64_t up_bytes;
+    uint64_t down_bytes;
+    uint64_t time_last_refreshed;
+    char network_info[MAX_STR_SIZE];
 };
 
 #ifdef AUDIO