Change mg_file_read() signature: return mg_str

examples/device-dashboard/packed_fs.c

@@ -652,7 +652,7 @@ static const unsigned char v1[] = {
    0, 0 // .
 };
 static const unsigned char v2[] = {
-  31, 139,   8,   8,  87, 102, 129, 101,   0,   3,  99, 111, // ....Wf.e..co
+  31, 139,   8,   8,   7, 115, 132, 101,   0,   3,  99, 111, // .....s.e..co
  109, 112, 111, 110, 101, 110, 116, 115,  46, 106, 115,   0, // mponents.js.
  237,  93, 235, 115, 219,  70, 146, 255, 238, 191,  98, 162, // .].s.F....b.
  242,  45, 169, 181,   0, 225,  77,  64, 182, 148, 114, 156, // [email protected].
@@ -2127,7 +2127,7 @@ static const unsigned char v5[] = {
  237,  34,  77,   0,   0, 0 // ."M..
 };
 static const unsigned char v6[] = {
-  31, 139,   8,   8, 215, 103, 114, 101,   0,   3, 109,  97, // .....gre..ma
+  31, 139,   8,   8,  93, 214, 178, 101,   0,   3, 109,  97, // ....]..e..ma
  105, 110,  46, 106, 115,   0, 189,  91, 233, 114, 219,  72, // in.js..[.r.H
  146, 254, 239, 167, 168, 230, 184, 155, 164, 155,   0,   9, // ............
   82, 151, 105,  81,  29,  62, 219, 158, 112, 219,  14,  75, // R.iQ.>..p..K
@@ -2668,11 +2668,11 @@ static const struct packed_file {
   time_t mtime;
 } packed_files[] = {
   {"/web_root/bundle.js.gz", v1, sizeof(v1), 1695912421},
-  {"/web_root/components.js.gz", v2, sizeof(v2), 1702979159},
+  {"/web_root/components.js.gz", v2, sizeof(v2), 1703179015},
   {"/web_root/history.min.js.gz", v3, sizeof(v3), 1695912421},
   {"/web_root/index.html.gz", v4, sizeof(v4), 1693654553},
   {"/web_root/main.css.gz", v5, sizeof(v5), 1702757929},
-  {"/web_root/main.js.gz", v6, sizeof(v6), 1701996503},
+  {"/web_root/main.js.gz", v6, sizeof(v6), 1706219101},
   {"/certs/server_cert.pem", v7, sizeof(v7), 1692695603},
   {"/certs/server_key.pem", v8, sizeof(v8), 1692695603},
   {NULL, NULL, 0, 0}

examples/esp32/uart-bridge/main/main.c

@@ -5,9 +5,11 @@
 
 const char *s_listening_url = "http://0.0.0.0:80";
 
+#if 0
 char *config_read(void) {
   return mg_file_read(&mg_fs_posix, FS_ROOT "/config.json", NULL);
 }
+#endif
 
 void config_write(struct mg_str config) {
   mg_file_write(&mg_fs_posix, FS_ROOT "/config.json", config.ptr, config.len);
@@ -21,14 +23,14 @@ void app_main(void) {
   MG_INFO(("FS at %s initialised, status: %d", conf.base_path, res));
 
   // Try to connect to wifi by using saved WiFi credentials
-  char *json = mg_file_read(&mg_fs_posix, WIFI_FILE, NULL);
-  if (json != NULL) {
-    char *ssid = mg_json_get_str(mg_str(json), "$.ssid");
-    char *pass = mg_json_get_str(mg_str(json), "$.pass");
+  struct mg_str json = mg_file_read(&mg_fs_posix, WIFI_FILE);
+  if (json.ptr != NULL) {
+    char *ssid = mg_json_get_str(json, "$.ssid");
+    char *pass = mg_json_get_str(json, "$.pass");
     while (!wifi_init(ssid, pass)) (void) 0;
     free(ssid);
     free(pass);
-    free(json);
+    free((void *) json.ptr);
   } else {
     // If WiFi is not configured, run CLI until configured
     MG_INFO(("WiFi is not configured, running CLI. Press enter"));
@@ -45,6 +47,6 @@ void app_main(void) {
   mg_mgr_init(&mgr);
   mg_log_set(MG_LL_DEBUG);  // Set log level
   MG_INFO(("Mongoose v%s on %s", MG_VERSION, s_listening_url));
-  mg_http_listen(&mgr, s_listening_url, uart_bridge_fn, &mgr);
+  mg_http_listen(&mgr, s_listening_url, uart_bridge_fn, NULL);
   for (;;) mg_mgr_poll(&mgr, 10);  // Infinite event loop
 }

examples/esp32/uart-bridge/main/main.h

@@ -11,7 +11,7 @@
 #define WIFI_FILE FS_ROOT "/wifi.json"
 #define UART_NO 1
 
-void uart_bridge_fn(struct mg_connection *, int, void *, void *);
+void uart_bridge_fn(struct mg_connection *, int, void *);
 int uart_read(void *buf, size_t len);
 bool wifi_init(const char *ssid, const char *pass);
 void cli(uint8_t ch);

examples/modbus-dashboard/main.c

@@ -14,16 +14,15 @@ static void signal_handler(int sig_num) {
 
 bool web_load_settings(void *buf, size_t len) {
   bool ok = false;
-  size_t size = 0;
-  void *data = mg_file_read(&mg_fs_posix, CONFIG_FILE, &size);
-  if (data == NULL) {
+  struct mg_str data = mg_file_read(&mg_fs_posix, CONFIG_FILE);
+  if (data.ptr == NULL) {
     MG_ERROR(("Error reading %s", CONFIG_FILE));
-  } else if (size != len) {
+  } else if (data.len != len) {
     MG_ERROR(("%s size != %lu", CONFIG_FILE, len));
   } else {
-    memcpy(buf, data, len);
+    memcpy(buf, data.ptr, len);
   }
-  free(data);
+  free((void *) data.ptr);
   return ok;
 }
 

examples/mqtt-dashboard/device/net.c

@@ -40,10 +40,10 @@ static void set_device_id(void) {
     fclose(fp);
   }
 #elif defined(__linux__)
-  char *id = mg_file_read(&mg_fs_posix, "/etc/machine-id", NULL);
-  if (id != NULL) {
-    mg_snprintf(buf, sizeof(buf), "%s", id);
-    free(id);
+  struct mg_str id = mg_file_read(&mg_fs_posix, "/etc/machine-id");
+  if (id.ptr != NULL) {
+    mg_snprintf(buf, sizeof(buf), "%s", id.ptr);
+    free((void *) id.ptr);
   }
 #endif