add str_to_lower function, ignore DNS domain name case

src/dns.c

@@ -37,8 +37,8 @@
 #include "line_info.h"
 #include "dns.h"
 #include "global_commands.h"
+#include "misc_tools.h"
 
-#define MAX_DNS_THREADS 10
 #define MAX_DNS_REQST_SIZE 256
 #define NUM_DNS3_SERVERS 1    /* must correspond to number of items in dns3_servers array */
 #define TOX_DNS3_TXT_PREFIX "v=tox3;id="
@@ -173,6 +173,7 @@ static int parse_addr(uint8_t *addr, uint8_t *namebuf, uint8_t *dombuf)
     if (tmpname == NULL || tmpdom == NULL)
         return -1;
 
+    str_to_lower(tmpdom);
     strcpy(namebuf, tmpname);
     strcpy(dombuf, tmpdom);
 
@@ -190,7 +191,7 @@ void *dns3_lookup_thread(void *data)
     int namelen = parse_addr(t_data.addr, name, domain);
 
     if (namelen == -1) {
-        dns_error(self, "Must be a Tox key or an address in the form username@domain");
+        dns_error(self, "Must be a Tox ID or an address in the form username@domain");
         kill_dns_thread(NULL);
     }
 
@@ -245,9 +246,8 @@ void *dns3_lookup_thread(void *data)
     uint8_t ans_id[MAX_DNS_REQST_SIZE];
 
     /* extract TXT from DNS response */
-    if (parse_dns_response(self, answer, ans_len, ans_id) == -1) {
+    if (parse_dns_response(self, answer, ans_len, ans_id) == -1)
         kill_dns_thread(dns_obj);
-    }
 
     uint8_t encrypted_id[MAX_DNS_REQST_SIZE];
     int prfx_len = strlen(TOX_DNS3_TXT_PREFIX);

src/global_commands.c

@@ -461,20 +461,16 @@ void cmd_status(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[
     }
 
     char *status = argv[1];
+    str_to_lower(status);
     int len = strlen(status);
-    char l_status[len + 1];
-    int i;
-
-    for (i = 0; i <= len; ++i)
-        l_status[i] = tolower(status[i]);
 
     TOX_USERSTATUS status_kind;
 
-    if (!strcmp(l_status, "online"))
+    if (!strcmp(status, "online"))
         status_kind = TOX_USERSTATUS_NONE;
-    else if (!strcmp(l_status, "away"))
+    else if (!strcmp(status, "away"))
         status_kind = TOX_USERSTATUS_AWAY;
-    else if (!strcmp(l_status, "busy"))
+    else if (!strcmp(status, "busy"))
         status_kind = TOX_USERSTATUS_BUSY;
     else {
         errmsg = "Invalid status. Valid statuses are: online, busy and away.";

src/misc_tools.c

@@ -250,3 +250,12 @@ void get_file_name(uint8_t *namebuf, uint8_t *pathname)
 
     snprintf(namebuf, MAX_STR_SIZE, "%s", filename);
 }
+
+/* converts str to all lowercase */
+void str_to_lower(uint8_t *str)
+{
+    int i;
+
+    for (i = 0; str[i]; ++i)
+        str[i] = tolower(str[i]);
+}

src/misc_tools.h

@@ -86,4 +86,7 @@ void mv_curs_end(WINDOW *w, size_t len, int max_y, int max_x);
 /* gets base file name from path or original file name if no path is supplied */
 void get_file_name(uint8_t *namebuf, uint8_t *pathname);
 
+/* converts str to all uppercase */
+void str_to_lower(uint8_t *str);
+
 #endif /* #define _misc_tools_h */