Check return values of malloc, realloc, strdup and strndup

auto-static.c

@@ -57,6 +57,7 @@ static int (*autocomplete_fun)(const char *, int, int, char **);
 static void set_autocomplete_string (const char *s) {
   if (autocomplete_string) { free (autocomplete_string); }
   autocomplete_string = strdup (s);
+  assert (autocomplete_string);
   autocomplete_mode = 1;
 }
 
@@ -116,12 +117,16 @@ static double get_double (void) {
 static struct paramed_type *paramed_type_dup (struct paramed_type *P) {
   if (ODDP (P)) { return P; }
   struct paramed_type *R = malloc (sizeof (*R));
+  assert (R);
   R->type = malloc (sizeof (*R->type));
+  assert (R->type);
   memcpy (R->type, P->type, sizeof (*P->type)); 
   R->type->id = strdup (P->type->id);
+  assert (R->type->id);
 
   if (P->type->params_num) {
     R->params = malloc (sizeof (void *) * P->type->params_num);
+    assert (R->params);
     int i;
     for (i = 0; i < P->type->params_num; i++) {
       R->params[i] = paramed_type_dup (P->params[i]);
@@ -287,6 +292,7 @@ int tglf_extf_autocomplete (const char *text, int text_len, int index, char **R,
     index = 0;
     if (!strncmp (text, autocomplete_string, len)) {
       *R = strdup (autocomplete_string);
+      assert (*R);
       return index;
     } else {
       return -1;

generate.c

@@ -99,6 +99,7 @@ long long get_long (void) {
 
 static void *malloc0 (int size) {
   void *r = malloc (size);
+  assert (r);
   memset (r, 0, size);
   return r;
 }
@@ -126,7 +127,9 @@ char *get_string (void) {
   buf_ptr += tlen / 4;
   assert (buf_ptr <= buf_end);
 
-  return strndup (res, len);
+  char *r = strndup (res, len);
+  assert (r);
+  return r;
 }
 
 
@@ -144,6 +147,7 @@ int read_args_list (struct arg **args, int args_num, int *var_num);
 void *int_to_var_nat_const_init (long long x) {
   if (use_var_nat_full_form (x)) {
     struct tl_tree_nat_const *T = malloc (sizeof (*T));
+    assert (T);
     T->self.flags = 0;
     T->self.methods = &tl_pnat_const_full_methods;
     T->value = x;
@@ -1460,6 +1464,7 @@ struct tl_combinator *read_combinators (int v) {
   c->name = get_int ();
   c->id = get_string ();
   c->print_id = strdup (gen_print_id (c->id));
+  assert (c->print_id);
   //char *s = c->id;
   //while (*s) { if (*s == '.') { *s = '_'; } ; s ++;}
   int x = get_int ();
@@ -1485,6 +1490,7 @@ struct tl_type *read_types (void) {
   t->name = get_int ();
   t->id = get_string ();
   t->print_id = strdup (gen_print_id (t->id));
+  assert (t->print_id);
 
   t->constructors_num = get_int ();
   assert (t->constructors_num >= 0 && t->constructors_num <= 1000);

interface.c

@@ -461,6 +461,7 @@ int complete_string_list (char **list, int index, const char *text, int len, cha
   }
   if (list[index]) {
     *R = strdup (list[index]);
+    assert (*R);
     return index;
   } else {
     *R = 0;
@@ -475,6 +476,7 @@ int complete_command_list (int index, const char *text, int len, char **R) {
   }
   if (commands[index].name) {
     *R = strdup (commands[index].name);
+    assert (*R);
     return index;
   } else {
     *R = 0;
@@ -1163,7 +1165,9 @@ void interpreter (char *line UU) {
       printf ("Empty file name\n");
       RET;
     }
-    tgl_do_send_photo (tgl_message_media_photo, id, strndup (s, t), 0, 0);
+    char *d = strndup (s, t);
+    assert (d);
+    tgl_do_send_photo (tgl_message_media_photo, id, d, 0, 0);
   } else if (IS_WORD ("chat_set_photo")) {
     GET_PEER_CHAT;
     int t;
@@ -1172,15 +1176,19 @@ void interpreter (char *line UU) {
       printf ("Empty file name\n");
       RET;
     }
-    tgl_do_set_chat_photo (id, strndup (s, t), 0, 0);
+    char *d = strndup (s, t);
+    assert (d);
+    tgl_do_set_chat_photo (id, d, 0, 0);
   } else if (IS_WORD ("set_profile_photo")) {
     int t;
     char *s = end_string_token (&t);
     if (!s) {
       printf ("Empty file name\n");
       RET;
     }
-    tgl_do_set_profile_photo (strndup (s, t), 0, 0);
+    char *d = strndup (s, t);
+    assert (d);
+    tgl_do_set_profile_photo (d, 0, 0);
   } else if (IS_WORD("send_video")) {
     GET_PEER;
     int t;
@@ -1189,7 +1197,9 @@ void interpreter (char *line UU) {
       printf ("Empty file name\n");
       RET;
     }
-    tgl_do_send_photo (tgl_message_media_video, id, strndup (s, t), 0, 0);
+    char *d = strndup (s, t);
+    assert (d);
+    tgl_do_send_photo (tgl_message_media_video, id, d, 0, 0);
   } else if (IS_WORD ("send_text")) {
     GET_PEER;
     int t;
@@ -1198,7 +1208,9 @@ void interpreter (char *line UU) {
       printf ("Empty file name\n");
       RET;
     }
-    tgl_do_send_text (id, strndup (s, t), 0, 0);
+    char *d = strndup (s, t);
+    assert (d);
+    tgl_do_send_text (id, d, 0, 0);
   } else if (IS_WORD ("fwd")) {
     GET_PEER;
     int num = next_token_int ();
@@ -1533,7 +1545,9 @@ void interpreter (char *line UU) {
       printf ("Empty file name\n");
       RET;
     }
-    tgl_do_send_photo (tgl_message_media_audio, id, strndup (s, t), 0, 0);
+    char *d = strndup (s, t);
+    assert (d);
+    tgl_do_send_photo (tgl_message_media_audio, id, d, 0, 0);
   } else if (IS_WORD("send_document")) {
     GET_PEER;
     int t;
@@ -1542,7 +1556,9 @@ void interpreter (char *line UU) {
       printf ("Empty file name\n");
       RET;
     }
-    tgl_do_send_photo (tgl_message_media_document, id, strndup (s, t), 0, 0);
+    char *d = strndup (s, t);
+    assert (d);
+    tgl_do_send_photo (tgl_message_media_document, id, d, 0, 0);
   } else if (IS_WORD ("load_audio")) {
     long long num = next_token_int ();
     if (num == NOT_FOUND) {
@@ -1739,6 +1755,7 @@ void print_start (void) {
     saved_point = rl_point;
 #ifdef READLINE_GNU
     saved_line = malloc (rl_end + 1);
+    assert (saved_line);
     saved_line[rl_end] = 0;
     memcpy (saved_line, rl_line_buffer, rl_end);
 
@@ -1747,6 +1764,7 @@ void print_start (void) {
 #else
     assert (rl_end >= 0);
     saved_line = malloc (rl_end + 1);
+    assert (saved_line);
     memcpy (saved_line, rl_line_buffer, rl_end + 1);
     rl_line_buffer[0] = 0;
     set_prompt ("");

loop.c

@@ -96,6 +96,7 @@ static void stdin_read_callback_all (int arg, short what, struct event *self) {
     while (1) {
       if (line_buffer_pos == line_buffer_size) {
         line_buffer = realloc (line_buffer, line_buffer_size * 2 + 100);
+        assert (line_buffer);
         line_buffer_size = line_buffer_size * 2 + 100;
         assert (line_buffer);
       }
@@ -267,6 +268,7 @@ void sign_in_callback (void *extra, int success, int registered, const char *mha
   }
   should_register = !registered;
   hash = strdup (mhash);
+  assert (hash);
 }
 
 

lua-tg.c

@@ -1181,6 +1181,7 @@ static int parse_lua_function (lua_State *L, struct lua_function *F) {
   int a2 = luaL_ref (L, LUA_REGISTRYINDEX);
 
   struct lua_query_extra *e = malloc (sizeof (*e));
+  assert (e);
   e->func = a2;
   e->param = a1;
 
@@ -1357,6 +1358,7 @@ static int postpone_from_lua (lua_State *L) {
 
 
   int *t = malloc (16);
+  assert (t);
   struct event *ev = evtimer_new (tgl_state.ev_base, lua_postpone_alarm, t);
   t[0] = a1;
   t[1] = a2;

structures.c

@@ -1754,6 +1754,7 @@ int tgl_complete_user_list (int index, const char *text, int len, char **R) {
   }
   if (index < peer_num) {
     *R = strdup (Peers[index]->print_name);
+    assert (*R);
     return index;
   } else {
     return -1;
@@ -1767,6 +1768,7 @@ int tgl_complete_chat_list (int index, const char *text, int len, char **R) {
   }
   if (index < peer_num) {
     *R = strdup (Peers[index]->print_name);
+    assert (*R);
     return index;
   } else {
     return -1;
@@ -1780,6 +1782,7 @@ int tgl_complete_encr_chat_list (int index, const char *text, int len, char **R)
   }
   if (index < peer_num) {
     *R = strdup (Peers[index]->print_name);
+    assert (*R);
     return index;
   } else {
     return -1;
@@ -1793,6 +1796,7 @@ int tgl_complete_peer_list (int index, const char *text, int len, char **R) {
   }
   if (index < peer_num) {
     *R = strdup (Peers[index]->print_name);
+    assert (*R);
     return index;
   } else {
     return -1;