Use glib for all allocations

- Removes need to check for malloc failure
- Removes need for NULL checks on free
- Adds checks for integer overflows
- Removes some extra memset calls
- Removes chance of mixing libc and glib malloc/free

src/common/proto-irc.c

@@ -1481,13 +1481,10 @@ irc_inline (server *serv, char *buf, int len)
 	char *type, *text;
 	char *word[PDIWORDS+1];
 	char *word_eol[PDIWORDS+1];
-	char pdibuf_static[522]; /* 1 line can potentially be 512*6 in utf8 */
-	char *pdibuf = pdibuf_static;
+	char *pdibuf;
 	message_tags_data tags_data = MESSAGE_TAGS_DATA_INIT;
 
-	/* need more than 522? fall back to malloc */
-	if (len >= sizeof (pdibuf_static))
-		pdibuf = malloc (len + 1);
+	pdibuf = g_malloc (len + 1);
 
 	sess = serv->front_session;
 
@@ -1566,8 +1563,7 @@ irc_inline (server *serv, char *buf, int len)
 	}
 
 xit:
-	if (pdibuf != pdibuf_static)
-		free (pdibuf);
+	g_free (pdibuf);
 }
 
 void