sendfile tab-complete for ~/ shortcut

src/autocomplete.c

@@ -35,6 +35,7 @@
 #include "misc_tools.h"
 #include "line_info.h"
 #include "execute.h"
+#include "configdir.h"
 
 static void print_matches(ToxWindow *self, Tox *m, const void *list, int n_items, int size)
 {
@@ -62,11 +63,13 @@ static void get_str_match(ToxWindow *self, char *match, char (*matches)[MAX_STR_
     int i;
 
     for (i = 0; i < MAX_STR_SIZE; ++i) {
-        char ch = matches[0][i];
+        char ch1 = matches[0][i];
         int j;
 
         for (j = 0; j < n; ++j) {
-            if (matches[j][i] != ch) {
+            char ch2 = matches[j][i];
+
+            if (ch1 != ch2 || !ch1) {
                 strcpy(match, matches[0]);
                 match[i] = '\0';
                 return;
@@ -198,25 +201,58 @@ int complete_line(ToxWindow *self, const void *list, int n_items, int size)
     return diff;
 }
 
-/* matches /sendfile "<incomplete-dir>" line to matching directories.
+/* transforms a sendfile tab complete contaning the shorthand "~/" into the full home directory.*/
+static void complt_home_dir(ToxWindow *self, char *path)
+{
+    ChatContext *ctx = self->chatwin;
 
-   if only one match, auto-complete line.
-   return diff between old len and new len of ctx->line, or -1 if no matches 
+    char homedir[MAX_STR_SIZE];
+    get_home_dir(homedir, sizeof(homedir));
+
+    char newline[MAX_STR_SIZE];
+    const char *isqt = !strchr(path, '\"') ? "\"" : "";
+    snprintf(newline, sizeof(newline), "/sendfile %s%s/", isqt, homedir);
+
+    wchar_t wline[MAX_STR_SIZE];
+
+    if (mbs_to_wcs_buf(wline, newline, sizeof(wline)) == -1)
+        return;
+
+    int newlen = wcslen(wline);
+
+    if (ctx->len + newlen > MAX_STR_SIZE)
+        return;
+
+    wmemcpy(ctx->line, wline, newlen + 1);
+    ctx->pos = newlen;
+    ctx->len = ctx->pos;
+}
+
+/*  attempts to match /sendfile "<incomplete-dir>" line to matching directories.
+
+    if only one match, auto-complete line.
+    return diff between old len and new len of ctx->line, -1 if no matches 
 */
 #define MAX_DIRS 256
 
-int dir_match(ToxWindow *self, Tox *m, const wchar_t *line)
+int dir_match(ToxWindow *self, Tox *m, wchar_t *line)
 {
     char b_path[MAX_STR_SIZE];
     char b_name[MAX_STR_SIZE];
 
     if (wcs_to_mbs_buf(b_path, line, sizeof(b_path)) == -1)
+        return -1; 
+
+    if (!strncmp(b_path, "\"~/", 3) || !strncmp(b_path, "~/", 2)) {
+        complt_home_dir(self, b_path);
         return -1;
+    }
 
     int si = char_rfind(b_path, '/', strlen(b_path));
 
     if (!b_path[0]) {    /* list everything in pwd */
-        strcpy(b_path, ".");  
+        b_path[0] = '.';
+        b_path[1] = '\0'; 
     } else if (!si && b_path[0] != '/') {    /* look for matches in pwd */
         char tmp[MAX_STR_SIZE];
         snprintf(tmp, sizeof(tmp), ".%s", b_path);

src/configdir.c

@@ -31,51 +31,53 @@
 
 #include "configdir.h"
 
-/**
- * @brief Get the users config directory.
- *
- * This is without a trailing slash.
- *
- * @return The users config dir or NULL on error.
- */
-char *get_user_config_dir(void)
+/* get the user's home directory */
+void get_home_dir(char *home, int size)
 {
-    char *user_config_dir;
-
-#ifndef NSS_BUFLEN_PASSWD
-#define NSS_BUFLEN_PASSWD 4096
-#endif /* NSS_BUFLEN_PASSWD */
-
     struct passwd pwd;
     struct passwd *pwdbuf;
-    const char *home;
+    const char *hmstr;
     char buf[NSS_BUFLEN_PASSWD];
-    size_t len;
     int rc;
 
     rc = getpwuid_r(getuid(), &pwd, buf, NSS_BUFLEN_PASSWD, &pwdbuf);
 
     if (rc == 0) {
-        home = pwd.pw_dir;
+        hmstr = pwd.pw_dir;
     } else {
-        home = getenv("HOME");
+        hmstr = getenv("HOME");
 
-        if (home == NULL) {
-            return NULL;
-        }
+        if (hmstr == NULL)
+            return;
 
-        /* env variables can be tainted */
-        snprintf(buf, sizeof(buf), "%s", home);
-        home = buf;
+        snprintf(buf, sizeof(buf), "%s", hmstr);
+        hmstr = buf;
     }
 
+    snprintf(home, size, "%s", hmstr);
+}
+
+/**
+ * @brief Get the user's config directory.
+ *
+ * This is without a trailing slash. Resulting string must be freed.
+ *
+ * @return The users config dir or NULL on error.
+ */
+char *get_user_config_dir(void)
+{
+    char home[NSS_BUFLEN_PASSWD];
+    get_home_dir(home, sizeof(home));
+
+    char *user_config_dir;
+    size_t len;
+
 # if defined(__APPLE__)
     len = strlen(home) + strlen("/Library/Application Support") + 1;
     user_config_dir = malloc(len);
 
-    if (user_config_dir == NULL) {
+    if (user_config_dir == NULL)
         return NULL;
-    }
 
     snprintf(user_config_dir, len, "%s/Library/Application Support", home);
 # else /* __APPLE__ */
@@ -86,9 +88,8 @@ char *get_user_config_dir(void)
         len = strlen(home) + strlen("/.config") + 1;
         user_config_dir = malloc(len);
 
-        if (user_config_dir == NULL) {
+        if (user_config_dir == NULL)
             return NULL;
-        }
 
         snprintf(user_config_dir, len, "%s/.config", home);
     } else {
@@ -98,7 +99,6 @@ char *get_user_config_dir(void)
 # endif /* __APPLE__ */
 
     return user_config_dir;
-#undef NSS_BUFLEN_PASSWD
 }
 
 /*

src/configdir.h

@@ -23,6 +23,10 @@
 #ifndef _configdir_h
 #define _configdir_h
 
+#ifndef NSS_BUFLEN_PASSWD
+#define NSS_BUFLEN_PASSWD 4096
+#endif
+
 #define CONFIGDIR "/tox/"
 
 #ifndef S_ISDIR
@@ -30,7 +34,7 @@
 #endif
 
 char *get_user_config_dir(void);
-
+void get_home_dir(char *home, int size);
 int create_user_config_dir(char *path);
 
 #endif /* #define _configdir_h */

src/prompt.c

@@ -59,7 +59,6 @@ const char glob_cmd_list[AC_NUM_GLOB_COMMANDS][MAX_CMDNAME_SIZE] = {
     { "/exit"       },
     { "/groupchat"  },
     { "/help"       },
-    { "/join"       },
     { "/log"        },
     { "/myid"       },
     { "/nick"       },

src/prompt.h

@@ -27,9 +27,9 @@
 #include "windows.h"
 
 #ifdef _AUDIO
-#define AC_NUM_GLOB_COMMANDS 17
+#define AC_NUM_GLOB_COMMANDS 16
 #else
-#define AC_NUM_GLOB_COMMANDS 15
+#define AC_NUM_GLOB_COMMANDS 14
 #endif /* _AUDIO */
 
 ToxWindow new_prompt(void);

src/toxic.c

@@ -568,7 +568,7 @@ int main(int argc, char *argv[])
     /* Make sure all written files are read/writeable only by the current user. */
     umask(S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
 
-//     signal(SIGINT, catch_SIGINT);
+    signal(SIGINT, catch_SIGINT);
 
     config_err = create_user_config_dir(user_config_dir);