diff --git a/examples/device-dashboard/packed_fs.c b/examples/device-dashboard/packed_fs.c
index 0ed552b870..78caf7ca36 100644
--- a/examples/device-dashboard/packed_fs.c
+++ b/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, // .-....M@..r.
@@ -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}
diff --git a/examples/esp32/uart-bridge/main/main.c b/examples/esp32/uart-bridge/main/main.c
index 6b4abedb47..f3073dc90e 100644
--- a/examples/esp32/uart-bridge/main/main.c
+++ b/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
 }
diff --git a/examples/esp32/uart-bridge/main/main.h b/examples/esp32/uart-bridge/main/main.h
index d736305591..905ed368ce 100644
--- a/examples/esp32/uart-bridge/main/main.h
+++ b/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);
diff --git a/examples/modbus-dashboard/main.c b/examples/modbus-dashboard/main.c
index d8a5a527a4..25256e1d21 100644
--- a/examples/modbus-dashboard/main.c
+++ b/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;
 }
 
diff --git a/examples/mqtt-dashboard/device/net.c b/examples/mqtt-dashboard/device/net.c
index 1c4a28e319..2fc58882e2 100644
--- a/examples/mqtt-dashboard/device/net.c
+++ b/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
 
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/main.su b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/main.su
deleted file mode 100644
index a8d0384e49..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/main.su
+++ /dev/null
@@ -1,16 +0,0 @@
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/CMSIS/core_cm7.h:1911:22:__NVIC_EnableIRQ	16	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/CMSIS/core_cm7.h:2041:22:__NVIC_SetPriority	16	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/CMSIS/core_cm7.h:2259:26:SysTick_Config	16	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_common_arm.h:210:20:_SDK_AtomicLocalClearAndSet4Byte	48	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_clock.h:1496:20:CLOCK_ControlGate	32	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_clock.h:1513:20:CLOCK_EnableClock	16	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_gpio.h:176:24:GPIO_PinRead	16	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_iomuxc.h:1288:20:IOMUXC_SetPinMux	24	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_iomuxc.h:1320:20:IOMUXC_SetPinConfig	24	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_iomuxc.h:1340:20:IOMUXC_EnableMode	24	static
-../source/hal.h:16:20:ethernet_init	24	static
-../source/main.c:28:6:SysTick_Handler	4	static
-../source/main.c:32:10:mg_millis	4	static
-../source/main.c:36:6:mg_random	16	static
-../source/main.c:40:13:timer_fn	64	static
-../source/main.c:52:5:main	224	static
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/mongoose.su b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/mongoose.su
deleted file mode 100644
index c80b403910..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/mongoose.su
+++ /dev/null
@@ -1,368 +0,0 @@
-../source/mongoose.c:5626:14:mg_ota_boot	4	static
-../source/mongoose.c:27:12:mg_base64_encode_single	16	static
-../source/mongoose.c:39:12:mg_base64_decode_single	16	static
-../source/mongoose.c:57:8:mg_base64_update	32	static
-../source/mongoose.c:73:8:mg_base64_final	24	static
-../source/mongoose.c:84:8:mg_base64_encode	32	static
-../source/mongoose.c:93:8:mg_base64_decode	48	static
-../source/mongoose.c:207:7:mg_flash_start	4	static
-../source/mongoose.c:210:8:mg_flash_size	4	static
-../source/mongoose.c:213:8:mg_flash_sector_size	4	static
-../source/mongoose.c:216:8:mg_flash_write_align	4	static
-../source/mongoose.c:219:5:mg_flash_bank	4	static
-../source/mongoose.c:222:6:mg_flash_erase	16	static
-../source/mongoose.c:226:6:mg_flash_swap_bank	4	static
-../source/mongoose.c:229:6:mg_flash_write	24	static
-../source/mongoose.c:233:6:mg_device_reset	4	static
-../source/mongoose.c:402:6:mg_flash_save	24	static
-../source/mongoose.c:406:6:mg_flash_load	24	static
-../source/mongoose.c:737:13:mg_dns_free	24	static
-../source/mongoose.c:742:6:mg_resolve_cancel	32	static
-../source/mongoose.c:751:15:mg_dns_parse_name_depth	56	static
-../source/mongoose.c:788:15:mg_dns_parse_name	40	static
-../source/mongoose.c:793:8:mg_dns_parse_rr	40	static
-../source/mongoose.c:817:6:mg_dns_parse	56	static
-../source/mongoose.c:855:13:dns_cb	344	static
-../source/mongoose.c:913:13:mg_dns_send	312	static
-../source/mongoose.c:940:13:mg_sendnsreq	56	static
-../source/mongoose.c:972:6:mg_resolve	40	static
-../source/mongoose.c:994:6:mg_call	32	static
-../source/mongoose.c:1013:6:mg_error	92	static
-../source/mongoose.c:1031:13:is_digit	16	static
-../source/mongoose.c:1035:12:addexp	32	static
-../source/mongoose.c:1047:12:xisinf	24	static
-../source/mongoose.c:1056:12:xisnan	24	static
-../source/mongoose.c:1066:15:mg_dtoa	136	static
-../source/mongoose.c:1125:15:mg_lld	64	static
-../source/mongoose.c:1147:15:scpy	32	static
-../source/mongoose.c:1154:8:mg_xprintf	24	static
-../source/mongoose.c:1163:8:mg_vxprintf	176	static
-../source/mongoose.c:1257:15:mg_fs_open	32	static
-../source/mongoose.c:1270:6:mg_fs_close	16	static
-../source/mongoose.c:1277:7:mg_file_read	40	static
-../source/mongoose.c:1298:6:mg_file_write	144	static
-../source/mongoose.c:1317:6:mg_file_printf	32	static
-../source/mongoose.c:1487:15:mg_unpacked	24	static
-../source/mongoose.c:1493:12:is_dir_prefix	24	static
-../source/mongoose.c:1499:12:packed_stat	40	static
-../source/mongoose.c:1510:13:packed_list	256	static
-../source/mongoose.c:1531:14:packed_open	32	static
-../source/mongoose.c:1544:13:packed_close	16	static
-../source/mongoose.c:1548:15:packed_read	32	static
-../source/mongoose.c:1556:15:packed_write	24	static
-../source/mongoose.c:1561:15:packed_seek	24	static
-../source/mongoose.c:1568:13:packed_rename	16	static
-../source/mongoose.c:1573:13:packed_remove	16	static
-../source/mongoose.c:1578:13:packed_mkdir	16	static
-../source/mongoose.c:1602:12:p_stat	112	static
-../source/mongoose.c:1743:13:p_list	24	static
-../source/mongoose.c:1759:14:p_open	24	static
-../source/mongoose.c:1772:13:p_close	16	static
-../source/mongoose.c:1776:15:p_read	24	static
-../source/mongoose.c:1780:15:p_write	24	static
-../source/mongoose.c:1784:15:p_seek	16	static
-../source/mongoose.c:1795:13:p_rename	16	static
-../source/mongoose.c:1799:13:p_remove	16	static
-../source/mongoose.c:1803:13:p_mkdir	16	static
-../source/mongoose.c:1870:6:mg_to_size_t	48	static
-../source/mongoose.c:1904:8:mg_http_next_multipart	112	static
-../source/mongoose.c:1944:6:mg_http_bauth	56	static
-../source/mongoose.c:1970:15:mg_http_var	48	static
-../source/mongoose.c:1981:5:mg_http_get_var	56	static
-../source/mongoose.c:2001:13:isx	16	static
-../source/mongoose.c:2006:5:mg_url_decode	32	static
-../source/mongoose.c:2028:13:isok	16	static
-../source/mongoose.c:2032:5:mg_http_get_request_len	24	static
-../source/mongoose.c:2042:16:mg_http_get_header	40	static
-../source/mongoose.c:2052:13:vcb	16	static
-../source/mongoose.c:2057:15:clen	32	static
-../source/mongoose.c:2069:20:skiptorn	24	static
-../source/mongoose.c:2078:13:mg_http_parse_headers	48	static
-../source/mongoose.c:2100:5:mg_http_parse	48	static
-../source/mongoose.c:2173:13:mg_http_vprintf_chunk	32	static
-../source/mongoose.c:2186:6:mg_http_printf_chunk	28	static
-../source/mongoose.c:2193:6:mg_http_write_chunk	24	static
-../source/mongoose.c:2201:20:mg_http_status_code_str	16	static
-../source/mongoose.c:2271:6:mg_http_reply	52	static
-../source/mongoose.c:2290:13:restore_http_cb	16	static
-../source/mongoose.c:2298:7:mg_http_etag	48	static
-../source/mongoose.c:2303:13:static_cb	48	static
-../source/mongoose.c:2362:22:guess_content_type	64	static
-../source/mongoose.c:2384:12:getrange	48	static
-../source/mongoose.c:2400:6:mg_http_serve_file	480	static
-../source/mongoose.c:2606:12:uri_to_path2	56	static
-../source/mongoose.c:2665:12:uri_to_path	112	static
-../source/mongoose.c:2679:6:mg_http_serve_dir	152	static
-../source/mongoose.c:2700:13:mg_is_url_safe	16	static
-../source/mongoose.c:2705:8:mg_url_encode	40	static
-../source/mongoose.c:2723:6:mg_http_creds	328	static
-../source/mongoose.c:2745:22:stripquotes	24	static
-../source/mongoose.c:2751:15:mg_http_get_header_var	56	static
-../source/mongoose.c:2768:6:mg_http_match_uri	32	static
-../source/mongoose.c:2772:6:mg_http_upload	72	static
-../source/mongoose.c:2808:5:mg_http_status	16	static
-../source/mongoose.c:2812:13:is_hex_digit	16	static
-../source/mongoose.c:2817:12:skip_chunk	32	static
-../source/mongoose.c:2831:13:http_cb	616	static
-../source/mongoose.c:2896:13:mg_hfn	40	static
-../source/mongoose.c:2915:6:mg_hello	96	static
-../source/mongoose.c:2924:23:mg_http_connect	32	static
-../source/mongoose.c:2931:23:mg_http_listen	32	static
-../source/mongoose.c:2946:15:roundup	16	static
-../source/mongoose.c:2950:5:mg_iobuf_resize	56	static
-../source/mongoose.c:2977:5:mg_iobuf_init	24	static
-../source/mongoose.c:2984:8:mg_iobuf_add	32	static
-../source/mongoose.c:2996:8:mg_iobuf_del	24	static
-../source/mongoose.c:3005:6:mg_iobuf_free	16	static
-../source/mongoose.c:3016:20:escapeseq	16	static
-../source/mongoose.c:3020:13:json_esc	32	static
-../source/mongoose.c:3028:12:mg_pass_string	24	static
-../source/mongoose.c:3042:15:mg_atod	72	static
-../source/mongoose.c:3089:8:mg_json_next	64	static
-../source/mongoose.c:3137:5:mg_json_get	120	static
-../source/mongoose.c:3280:6:mg_json_get_num	48	static
-../source/mongoose.c:3290:6:mg_json_get_bool	40	static
-../source/mongoose.c:3299:6:mg_json_unescape	48	static
-../source/mongoose.c:3324:7:mg_json_get_str	48	static
-../source/mongoose.c:3338:7:mg_json_get_b64	48	static
-../source/mongoose.c:3350:7:mg_json_get_hex	48	static
-../source/mongoose.c:3362:6:mg_json_get_long	48	static
-../source/mongoose.c:3381:6:mg_log_set_fn	16	static
-../source/mongoose.c:3386:13:logc	16	static
-../source/mongoose.c:3390:13:logs	24	static
-../source/mongoose.c:3398:6:mg_log_prefix	112	static
-../source/mongoose.c:3410:6:mg_log	16	static
-../source/mongoose.c:3419:22:nibble	16	static
-../source/mongoose.c:3424:6:mg_hexdump	48	static
-../source/mongoose.c:3467:13:mg_byte_reverse	24	static
-../source/mongoose.c:3492:6:mg_md5_init	16	static
-../source/mongoose.c:3502:13:mg_md5_transform	32	static
-../source/mongoose.c:3584:6:mg_md5_update	32	static
-../source/mongoose.c:3619:6:mg_md5_final	32	static
-../source/mongoose.c:3701:6:mg_mqtt_send_header	40	static
-../source/mongoose.c:3714:13:mg_send_u16	16	static
-../source/mongoose.c:3718:13:mg_send_u32	16	static
-../source/mongoose.c:3722:16:varint_size	24	static
-../source/mongoose.c:3731:15:encode_varint	24	static
-../source/mongoose.c:3744:15:decode_varint	40	static
-../source/mongoose.c:3759:12:mqtt_prop_type_by_id	24	static
-../source/mongoose.c:3769:15:get_properties_length	24	static
-../source/mongoose.c:3806:15:get_props_size	24	static
-../source/mongoose.c:3812:13:mg_send_mqtt_properties	48	static
-../source/mongoose.c:3854:8:mg_mqtt_next_prop	40	static
-../source/mongoose.c:3908:6:mg_mqtt_login	72	static
-../source/mongoose.c:3974:6:mg_mqtt_pub	40	static
-../source/mongoose.c:3996:6:mg_mqtt_sub	32	static
-../source/mongoose.c:4011:5:mg_mqtt_parse	48	static
-../source/mongoose.c:4081:13:mqtt_cb	112	static
-../source/mongoose.c:4153:6:mg_mqtt_ping	16	static
-../source/mongoose.c:4157:6:mg_mqtt_pong	16	static
-../source/mongoose.c:4161:6:mg_mqtt_disconnect	24	static
-../source/mongoose.c:4174:23:mg_mqtt_connect	96	static
-../source/mongoose.c:4187:23:mg_mqtt_listen	32	static
-../source/mongoose.c:4206:8:mg_vprintf	32	static
-../source/mongoose.c:4212:8:mg_printf	28	static
-../source/mongoose.c:4221:13:mg_atonl	32	static
-../source/mongoose.c:4229:13:mg_atone	24	static
-../source/mongoose.c:4236:13:mg_aton4	40	static
-../source/mongoose.c:4257:13:mg_v4mapped	40	static
-../source/mongoose.c:4275:13:mg_aton6	48	static
-../source/mongoose.c:4320:6:mg_aton	24	static
-../source/mongoose.c:4326:23:mg_alloc_conn	24	static
-../source/mongoose.c:4338:6:mg_close_conn	24	static
-../source/mongoose.c:4358:23:mg_connect	32	static
-../source/mongoose.c:4379:23:mg_listen	32	static
-../source/mongoose.c:4402:23:mg_wrapfd	32	static
-../source/mongoose.c:4416:18:mg_timer_add	48	static
-../source/mongoose.c:4426:6:mg_io_recv	24	static
-../source/mongoose.c:4434:6:mg_mgr_free	32	static
-../source/mongoose.c:4451:6:mg_mgr_init	16	static
-../source/mongoose.c:4619:13:mkpay	32	static
-../source/mongoose.c:4624:17:csumup	32	static
-../source/mongoose.c:4630:17:csumfin	16	static
-../source/mongoose.c:4635:17:ipcsum	24	static
-../source/mongoose.c:4640:13:settmout	56	static
-../source/mongoose.c:4653:15:ether_output	24	static
-../source/mongoose.c:4659:13:arp_ask	24	static
-../source/mongoose.c:4673:13:onstatechange	16	static
-../source/mongoose.c:4687:19:tx_ip	32	static
-../source/mongoose.c:4707:13:tx_udp	48	static
-../source/mongoose.c:4729:13:tx_dhcp	320	static
-../source/mongoose.c:4746:13:tx_dhcp_request_sel	80	static
-../source/mongoose.c:4763:13:tx_dhcp_request_re	48	static
-../source/mongoose.c:4773:13:tx_dhcp_discover	40	static
-../source/mongoose.c:4783:30:getpeer	32	static
-../source/mongoose.c:4798:13:rx_arp	48	static
-../source/mongoose.c:4837:13:rx_icmp	48	static
-../source/mongoose.c:4853:13:rx_dhcp_client	88	static
-../source/mongoose.c:4902:13:rx_dhcp_server	368	static
-../source/mongoose.c:4941:13:rx_udp	24	static
-../source/mongoose.c:4963:15:tx_tcp	88	static
-../source/mongoose.c:4993:15:tx_tcp_pkt	72	static
-../source/mongoose.c:5002:30:accept_conn	32	static
-../source/mongoose.c:5029:15:trim_len	48	static
-../source/mongoose.c:5056:6:mg_io_send	80	static
-../source/mongoose.c:5079:13:read_conn	96	static
-../source/mongoose.c:5170:13:rx_tcp	48	static
-../source/mongoose.c:5219:13:rx_ip	56	static
-../source/mongoose.c:5262:13:rx_ip6	16	static
-../source/mongoose.c:5278:13:mg_tcpip_rx	88	static
-../source/mongoose.c:5322:13:mg_tcpip_poll	104	static
-../source/mongoose.c:5409:6:mg_tcpip_qwrite	32	static
-../source/mongoose.c:5420:6:mg_tcpip_init	24	static
-../source/mongoose.c:5451:6:mg_tcpip_free	16	static
-../source/mongoose.c:5456:13:send_syn	64	static
-../source/mongoose.c:5466:6:mg_connect_resolved	48	static
-../source/mongoose.c:5506:6:mg_open_listener	16	static
-../source/mongoose.c:5511:13:write_conn	24	static
-../source/mongoose.c:5522:13:init_closure	80	static
-../source/mongoose.c:5536:13:close_conn	24	static
-../source/mongoose.c:5542:13:can_write	16	static
-../source/mongoose.c:5547:6:mg_mgr_poll	64	static
-../source/mongoose.c:5567:6:mg_send	64	static
-../source/mongoose.c:5593:6:mg_ota_begin	16	static
-../source/mongoose.c:5597:6:mg_ota_write	16	static
-../source/mongoose.c:5601:6:mg_ota_end	4	static
-../source/mongoose.c:5604:6:mg_ota_commit	4	static
-../source/mongoose.c:5607:6:mg_ota_rollback	4	static
-../source/mongoose.c:5610:5:mg_ota_status	16	static
-../source/mongoose.c:5614:10:mg_ota_crc32	16	static
-../source/mongoose.c:5618:10:mg_ota_timestamp	16	static
-../source/mongoose.c:5622:8:mg_ota_size	16	static
-../source/mongoose.c:5840:8:mg_queue_vprintf	32	static
-../source/mongoose.c:5852:8:mg_queue_printf	28	static
-../source/mongoose.c:5861:13:mg_pfn_iobuf_private	24	static
-../source/mongoose.c:5872:13:mg_putchar_iobuf_static	16	static
-../source/mongoose.c:5876:6:mg_pfn_iobuf	16	static
-../source/mongoose.c:5880:8:mg_vsnprintf	48	static
-../source/mongoose.c:5887:8:mg_snprintf	24	static
-../source/mongoose.c:5896:7:mg_vmprintf	32	static
-../source/mongoose.c:5902:7:mg_mprintf	16	static
-../source/mongoose.c:5911:6:mg_pfn_stdout	16	static
-../source/mongoose.c:5916:15:print_ip4	40	static
-../source/mongoose.c:5920:15:print_ip6	80	static
-../source/mongoose.c:5927:8:mg_print_ip4	32	static
-../source/mongoose.c:5932:8:mg_print_ip6	32	static
-../source/mongoose.c:5937:8:mg_print_ip	32	static
-../source/mongoose.c:5943:8:mg_print_ip_port	40	static
-../source/mongoose.c:5948:8:mg_print_mac	64	static
-../source/mongoose.c:5954:13:mg_esc	32	static
-../source/mongoose.c:5962:13:mg_escape	16	static
-../source/mongoose.c:5966:15:qcpy	40	static
-../source/mongoose.c:5980:15:bcpy	48	static
-../source/mongoose.c:5997:8:mg_print_hex	40	static
-../source/mongoose.c:6008:8:mg_print_base64	32	static
-../source/mongoose.c:6014:8:mg_print_esc	32	static
-../source/mongoose.c:6050:6:mg_queue_init	24	static
-../source/mongoose.c:6056:15:mg_queue_read_len	24	static
-../source/mongoose.c:6064:13:mg_queue_write_len	24	static
-../source/mongoose.c:6070:8:mg_queue_book	32	static
-../source/mongoose.c:6083:8:mg_queue_next	24	static
-../source/mongoose.c:6097:6:mg_queue_add	16	static
-../source/mongoose.c:6104:6:mg_queue_del	16	static
-../source/mongoose.c:6115:6:mg_rpc_add	48	static
-../source/mongoose.c:6124:6:mg_rpc_del	24	static
-../source/mongoose.c:6137:13:mg_rpc_call	40	static
-../source/mongoose.c:6148:6:mg_rpc_process	48	static
-../source/mongoose.c:6162:6:mg_rpc_vok	72	static
-../source/mongoose.c:6172:6:mg_rpc_ok	28	static
-../source/mongoose.c:6179:6:mg_rpc_verr	80	static
-../source/mongoose.c:6192:6:mg_rpc_err	24	static
-../source/mongoose.c:6199:15:print_methods	56	static
-../source/mongoose.c:6210:6:mg_rpc_list	16	static
-../source/mongoose.c:6229:17:blk0	16	static
-../source/mongoose.c:6266:13:mg_sha1_transform	112	static
-../source/mongoose.c:6373:6:mg_sha1_init	16	static
-../source/mongoose.c:6382:6:mg_sha1_update	32	static
-../source/mongoose.c:6402:6:mg_sha1_final	32	static
-../source/mongoose.c:6452:6:mg_sha256_init	16	static
-../source/mongoose.c:6465:13:mg_sha256_chunk	320	static
-../source/mongoose.c:6507:6:mg_sha256_update	40	static
-../source/mongoose.c:6521:6:mg_sha256_final	40	static
-../source/mongoose.c:6560:6:mg_hmac_sha256	344	static
-../source/mongoose.c:6602:16:gettimestamp	56	static
-../source/mongoose.c:6608:9:mg_sntp_parse	144	static
-../source/mongoose.c:6633:13:sntp_cb	40	static
-../source/mongoose.c:6651:6:mg_sntp_request	96	static
-../source/mongoose.c:6666:23:mg_sntp_connect	32	static
-../source/mongoose.c:7490:6:mg_http_serve_ssi	24	static
-../source/mongoose.c:7502:15:mg_str_s	24	static
-../source/mongoose.c:7507:15:mg_str_n	32	static
-../source/mongoose.c:7512:5:mg_lower	24	static
-../source/mongoose.c:7518:5:mg_ncasecmp	40	static
-../source/mongoose.c:7526:5:mg_casecmp	16	static
-../source/mongoose.c:7530:5:mg_vcmp	32	static
-../source/mongoose.c:7537:5:mg_vcasecmp	32	static
-../source/mongoose.c:7544:15:mg_strdup	40	static
-../source/mongoose.c:7558:5:mg_strcmp	40	static
-../source/mongoose.c:7572:13:mg_strstr	40	static
-../source/mongoose.c:7585:13:is_space	16	static
-../source/mongoose.c:7589:15:mg_strstrip	24	static
-../source/mongoose.c:7595:6:mg_match	40	static
-../source/mongoose.c:7627:6:mg_globmatch	48	static
-../source/mongoose.c:7631:15:mg_nce	32	static
-../source/mongoose.c:7644:6:mg_split	80	static
-../source/mongoose.c:7654:6:mg_commalist	24	static
-../source/mongoose.c:7658:7:mg_hex	40	static
-../source/mongoose.c:7670:22:mg_unhex_nimble	16	static
-../source/mongoose.c:7676:15:mg_unhexn	24	static
-../source/mongoose.c:7682:6:mg_unhex	32	static
-../source/mongoose.c:7689:6:mg_path_is_sane	24	static
-../source/mongoose.c:7707:6:mg_timer_init	24	static
-../source/mongoose.c:7714:6:mg_timer_free	16	static
-../source/mongoose.c:7720:6:mg_timer_expired	56	static
-../source/mongoose.c:7728:6:mg_timer_poll	56	static
-../source/mongoose.c:9642:6:mg_tls_init	16	static
-../source/mongoose.c:9646:6:mg_tls_handshake	16	static
-../source/mongoose.c:9649:6:mg_tls_free	16	static
-../source/mongoose.c:9652:6:mg_tls_recv	24	static
-../source/mongoose.c:9655:6:mg_tls_send	24	static
-../source/mongoose.c:9658:8:mg_tls_pending	16	static
-../source/mongoose.c:9662:6:mg_tls_ctx_init	16	static
-../source/mongoose.c:9665:6:mg_tls_ctx_free	16	static
-../source/mongoose.c:13331:5:mg_url_is_ssl	16	static
-../source/mongoose.c:13337:19:urlparse	56	static
-../source/mongoose.c:13365:15:mg_url_host	56	static
-../source/mongoose.c:13374:13:mg_url_uri	48	static
-../source/mongoose.c:13379:16:mg_url_port	48	static
-../source/mongoose.c:13391:15:mg_url_user	64	static
-../source/mongoose.c:13401:15:mg_url_pass	64	static
-../source/mongoose.c:13418:6:mg_bzero	16	static
-../source/mongoose.c:13445:7:mg_random_str	24	static
-../source/mongoose.c:13458:10:mg_ntohl	24	static
-../source/mongoose.c:13465:10:mg_ntohs	24	static
-../source/mongoose.c:13471:10:mg_crc32	32	static
-../source/mongoose.c:13486:12:isbyte	16	static
-../source/mongoose.c:13490:12:parse_net	72	static
-../source/mongoose.c:13504:5:mg_check_ip_acl	56	static
-../source/mongoose.c:13591:8:mg_ws_vprintf	32	static
-../source/mongoose.c:13599:8:mg_ws_printf	24	static
-../source/mongoose.c:13608:13:ws_handshake	176	static
-../source/mongoose.c:13634:17:be32	16	static
-../source/mongoose.c:13639:15:ws_process	56	static
-../source/mongoose.c:13669:15:mkhdr	48	static
-../source/mongoose.c:13697:13:mg_ws_mask	32	static
-../source/mongoose.c:13705:8:mg_ws_send	48	static
-../source/mongoose.c:13716:13:mg_ws_client_handshake	560	static
-../source/mongoose.c:13739:13:mg_ws_cb	72	static
-../source/mongoose.c:13810:23:mg_ws_connect	112	static
-../source/mongoose.c:13840:6:mg_ws_upgrade	40	static
-../source/mongoose.c:13860:8:mg_ws_wrap	48	static
-../source/mongoose.c:14047:17:enet_phy_read	16	static
-../source/mongoose.c:14054:13:enet_phy_write	16	static
-../source/mongoose.c:14061:17:enet_phy_id	24	static
-../source/mongoose.c:14070:13:mg_tcpip_driver_imxrt_init	40	static
-../source/mongoose.c:14138:15:mg_tcpip_driver_imxrt_tx	24	static
-../source/mongoose.c:14161:13:mg_tcpip_driver_imxrt_up	48	static
-../source/mongoose.c:14196:6:ENET_IRQHandler	24	static
-../source/mongoose.c:15221:13:w5500_txn	32	static
-../source/mongoose.c:15236:14:w5500_wn	32	static
-../source/mongoose.c:15237:14:w5500_w1	24	static
-../source/mongoose.c:15238:14:w5500_w2	40	static
-../source/mongoose.c:15239:14:w5500_rn	32	static
-../source/mongoose.c:15240:17:w5500_r1	32	static
-../source/mongoose.c:15241:18:w5500_r2	32	static
-../source/mongoose.c:15244:15:w5500_rx	48	static
-../source/mongoose.c:15263:15:w5500_tx	48	static
-../source/mongoose.c:15282:13:w5500_init	24	static
-../source/mongoose.c:15296:13:w5500_up	24	static
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/net.su b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/net.su
deleted file mode 100644
index 7d71776391..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/net.su
+++ /dev/null
@@ -1,23 +0,0 @@
-../source/net.c:32:10:mg_now	16	static
-../source/net.c:36:5:ui_event_next	24	static
-../source/net.c:54:13:sfn	56	static
-../source/net.c:68:13:timer_sntp_fn	16	static
-../source/net.c:73:21:authenticate	160	static
-../source/net.c:100:13:handle_login	296	static
-../source/net.c:109:13:handle_logout	272	static
-../source/net.c:119:13:handle_debug	32	static
-../source/net.c:125:15:print_int_arr	48	static
-../source/net.c:134:13:handle_stats_get	136	static
-../source/net.c:143:15:print_events	144	static
-../source/net.c:162:13:handle_events_get	64	static
-../source/net.c:169:13:handle_settings_set	96	static
-../source/net.c:190:13:handle_settings_get	96	static
-../source/net.c:199:13:handle_firmware_upload	168	static
-../source/net.c:228:13:handle_firmware_commit	32	static
-../source/net.c:233:13:handle_firmware_rollback	32	static
-../source/net.c:238:15:print_status	120	static
-../source/net.c:246:13:handle_firmware_status	32	static
-../source/net.c:251:13:handle_device_reset	32	static
-../source/net.c:256:13:handle_device_eraselast	32	static
-../source/net.c:265:13:fn	120	static
-../source/net.c:322:6:web_init	32	static
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/packed_fs.su b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/packed_fs.su
deleted file mode 100644
index fd912b7a81..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/packed_fs.su
+++ /dev/null
@@ -1,3 +0,0 @@
-../source/packed_fs.c:2681:12:scmp	16	static
-../source/packed_fs.c:2685:13:mg_unlist	16	static
-../source/packed_fs.c:2688:13:mg_unpack	32	static
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/subdir.mk b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/subdir.mk
deleted file mode 100644
index d6d8349292..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/subdir.mk
+++ /dev/null
@@ -1,43 +0,0 @@
-################################################################################
-# Automatically-generated file. Do not edit!
-################################################################################
-
-# Add inputs and outputs from these tool invocations to the build variables 
-C_SRCS += \
-../source/main.c \
-../source/mongoose.c \
-../source/net.c \
-../source/packed_fs.c \
-../source/syscalls.c 
-
-C_DEPS += \
-./source/main.d \
-./source/mongoose.d \
-./source/net.d \
-./source/packed_fs.d \
-./source/syscalls.d 
-
-OBJS += \
-./source/main.o \
-./source/mongoose.o \
-./source/net.o \
-./source/packed_fs.o \
-./source/syscalls.o 
-
-
-# Each subdirectory must supply rules for building sources it contributes
-source/%.o: ../source/%.c source/subdir.mk
-	@echo 'Building file: $<'
-	@echo 'Invoking: MCU C Compiler'
-	arm-none-eabi-gcc -DCPU_MIMXRT1062DVL6B -DCPU_MIMXRT1062DVL6B_cm7 -DSDK_OS_BAREMETAL -DXIP_EXTERNAL_FLASH=1 -DXIP_BOOT_HEADER_ENABLE=1 -DSDK_DEBUGCONSOLE=1 -DSERIAL_PORT_TYPE_UART=1 -D__MCUXPRESSO -D__USE_CMSIS -DDEBUG -D__NEWLIB__ -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/board" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/source" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/xip" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/CMSIS" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/device" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/component/serial_manager" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/component/uart" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/utilities" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/component/lists" -O0 -fno-common -g3 -Wall -c -ffunction-sections -fdata-sections -ffreestanding -fno-builtin -fmerge-constants -fmacro-prefix-map="$(<D)/"= -mcpu=cortex-m7 -mfpu=fpv5-sp-d16 -mfloat-abi=hard -mthumb -D__NEWLIB__ -fstack-usage -specs=nano.specs -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.o)" -MT"$(@:%.o=%.d)" -o "$@" "$<"
-	@echo 'Finished building: $<'
-	@echo ' '
-
-
-clean: clean-source
-
-clean-source:
-	-$(RM) ./source/main.d ./source/main.o ./source/mongoose.d ./source/mongoose.o ./source/net.d ./source/net.o ./source/packed_fs.d ./source/packed_fs.o ./source/syscalls.d ./source/syscalls.o
-
-.PHONY: clean-source
-
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/syscalls.su b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/syscalls.su
deleted file mode 100644
index b4fb98878e..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Debug/source/syscalls.su
+++ /dev/null
@@ -1,17 +0,0 @@
-../source/syscalls.c:5:5:_fstat	16	static
-../source/syscalls.c:11:7:_sbrk	32	static
-../source/syscalls.c:24:5:_open	16	static
-../source/syscalls.c:29:5:_close	16	static
-../source/syscalls.c:34:5:_isatty	16	static
-../source/syscalls.c:39:5:_lseek	24	static
-../source/syscalls.c:44:6:_exit	16	static
-../source/syscalls.c:49:6:_kill	16	static
-../source/syscalls.c:53:5:_getpid	4	static
-../source/syscalls.c:65:5:_write	24	static
-../source/syscalls.c:73:5:_read	24	static
-../source/syscalls.c:78:5:_link	16	static
-../source/syscalls.c:83:5:_unlink	16	static
-../source/syscalls.c:88:5:_stat	16	static
-/usr/local/mcuxpressoide-11.8.1_1197/ide/plugins/com.nxp.mcuxpresso.tools.linux_11.8.1.202308071233/tools/arm-none-eabi/include/sys/stat.h:140:5:mkdir	16	static
-../source/syscalls.c:98:6:_init	4	static
-../source/syscalls.c:102:5:_gettimeofday	24	static
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/main.su b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/main.su
deleted file mode 100644
index 8e272b6d4b..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/main.su
+++ /dev/null
@@ -1,17 +0,0 @@
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/CMSIS/core_cm7.h:1911:22:__NVIC_EnableIRQ	16	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/CMSIS/core_cm7.h:2041:22:__NVIC_SetPriority	16	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/CMSIS/core_cm7.h:2259:26:SysTick_Config	16	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_common_arm.h:210:20:_SDK_AtomicLocalClearAndSet4Byte	48	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_clock.h:1496:20:CLOCK_ControlGate	32	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_clock.h:1513:20:CLOCK_EnableClock	16	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_gpio.h:176:24:GPIO_PinRead	16	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_iomuxc.h:1288:20:IOMUXC_SetPinMux	24	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_iomuxc.h:1320:20:IOMUXC_SetPinConfig	24	static
-/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers/fsl_iomuxc.h:1340:20:IOMUXC_EnableMode	24	static
-../source/hal.h:16:20:ethernet_init	24	static
-../source/hal.h:60:20:test_init	24	static
-../source/main.c:28:6:SysTick_Handler	4	static
-../source/main.c:32:10:mg_millis	4	static
-../source/main.c:36:6:mg_random	16	static
-../source/main.c:40:13:timer_fn	64	static
-../source/main.c:52:5:main	224	static
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/mongoose.su b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/mongoose.su
deleted file mode 100644
index c80b403910..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/mongoose.su
+++ /dev/null
@@ -1,368 +0,0 @@
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-../source/mongoose.c:6507:6:mg_sha256_update	40	static
-../source/mongoose.c:6521:6:mg_sha256_final	40	static
-../source/mongoose.c:6560:6:mg_hmac_sha256	344	static
-../source/mongoose.c:6602:16:gettimestamp	56	static
-../source/mongoose.c:6608:9:mg_sntp_parse	144	static
-../source/mongoose.c:6633:13:sntp_cb	40	static
-../source/mongoose.c:6651:6:mg_sntp_request	96	static
-../source/mongoose.c:6666:23:mg_sntp_connect	32	static
-../source/mongoose.c:7490:6:mg_http_serve_ssi	24	static
-../source/mongoose.c:7502:15:mg_str_s	24	static
-../source/mongoose.c:7507:15:mg_str_n	32	static
-../source/mongoose.c:7512:5:mg_lower	24	static
-../source/mongoose.c:7518:5:mg_ncasecmp	40	static
-../source/mongoose.c:7526:5:mg_casecmp	16	static
-../source/mongoose.c:7530:5:mg_vcmp	32	static
-../source/mongoose.c:7537:5:mg_vcasecmp	32	static
-../source/mongoose.c:7544:15:mg_strdup	40	static
-../source/mongoose.c:7558:5:mg_strcmp	40	static
-../source/mongoose.c:7572:13:mg_strstr	40	static
-../source/mongoose.c:7585:13:is_space	16	static
-../source/mongoose.c:7589:15:mg_strstrip	24	static
-../source/mongoose.c:7595:6:mg_match	40	static
-../source/mongoose.c:7627:6:mg_globmatch	48	static
-../source/mongoose.c:7631:15:mg_nce	32	static
-../source/mongoose.c:7644:6:mg_split	80	static
-../source/mongoose.c:7654:6:mg_commalist	24	static
-../source/mongoose.c:7658:7:mg_hex	40	static
-../source/mongoose.c:7670:22:mg_unhex_nimble	16	static
-../source/mongoose.c:7676:15:mg_unhexn	24	static
-../source/mongoose.c:7682:6:mg_unhex	32	static
-../source/mongoose.c:7689:6:mg_path_is_sane	24	static
-../source/mongoose.c:7707:6:mg_timer_init	24	static
-../source/mongoose.c:7714:6:mg_timer_free	16	static
-../source/mongoose.c:7720:6:mg_timer_expired	56	static
-../source/mongoose.c:7728:6:mg_timer_poll	56	static
-../source/mongoose.c:9642:6:mg_tls_init	16	static
-../source/mongoose.c:9646:6:mg_tls_handshake	16	static
-../source/mongoose.c:9649:6:mg_tls_free	16	static
-../source/mongoose.c:9652:6:mg_tls_recv	24	static
-../source/mongoose.c:9655:6:mg_tls_send	24	static
-../source/mongoose.c:9658:8:mg_tls_pending	16	static
-../source/mongoose.c:9662:6:mg_tls_ctx_init	16	static
-../source/mongoose.c:9665:6:mg_tls_ctx_free	16	static
-../source/mongoose.c:13331:5:mg_url_is_ssl	16	static
-../source/mongoose.c:13337:19:urlparse	56	static
-../source/mongoose.c:13365:15:mg_url_host	56	static
-../source/mongoose.c:13374:13:mg_url_uri	48	static
-../source/mongoose.c:13379:16:mg_url_port	48	static
-../source/mongoose.c:13391:15:mg_url_user	64	static
-../source/mongoose.c:13401:15:mg_url_pass	64	static
-../source/mongoose.c:13418:6:mg_bzero	16	static
-../source/mongoose.c:13445:7:mg_random_str	24	static
-../source/mongoose.c:13458:10:mg_ntohl	24	static
-../source/mongoose.c:13465:10:mg_ntohs	24	static
-../source/mongoose.c:13471:10:mg_crc32	32	static
-../source/mongoose.c:13486:12:isbyte	16	static
-../source/mongoose.c:13490:12:parse_net	72	static
-../source/mongoose.c:13504:5:mg_check_ip_acl	56	static
-../source/mongoose.c:13591:8:mg_ws_vprintf	32	static
-../source/mongoose.c:13599:8:mg_ws_printf	24	static
-../source/mongoose.c:13608:13:ws_handshake	176	static
-../source/mongoose.c:13634:17:be32	16	static
-../source/mongoose.c:13639:15:ws_process	56	static
-../source/mongoose.c:13669:15:mkhdr	48	static
-../source/mongoose.c:13697:13:mg_ws_mask	32	static
-../source/mongoose.c:13705:8:mg_ws_send	48	static
-../source/mongoose.c:13716:13:mg_ws_client_handshake	560	static
-../source/mongoose.c:13739:13:mg_ws_cb	72	static
-../source/mongoose.c:13810:23:mg_ws_connect	112	static
-../source/mongoose.c:13840:6:mg_ws_upgrade	40	static
-../source/mongoose.c:13860:8:mg_ws_wrap	48	static
-../source/mongoose.c:14047:17:enet_phy_read	16	static
-../source/mongoose.c:14054:13:enet_phy_write	16	static
-../source/mongoose.c:14061:17:enet_phy_id	24	static
-../source/mongoose.c:14070:13:mg_tcpip_driver_imxrt_init	40	static
-../source/mongoose.c:14138:15:mg_tcpip_driver_imxrt_tx	24	static
-../source/mongoose.c:14161:13:mg_tcpip_driver_imxrt_up	48	static
-../source/mongoose.c:14196:6:ENET_IRQHandler	24	static
-../source/mongoose.c:15221:13:w5500_txn	32	static
-../source/mongoose.c:15236:14:w5500_wn	32	static
-../source/mongoose.c:15237:14:w5500_w1	24	static
-../source/mongoose.c:15238:14:w5500_w2	40	static
-../source/mongoose.c:15239:14:w5500_rn	32	static
-../source/mongoose.c:15240:17:w5500_r1	32	static
-../source/mongoose.c:15241:18:w5500_r2	32	static
-../source/mongoose.c:15244:15:w5500_rx	48	static
-../source/mongoose.c:15263:15:w5500_tx	48	static
-../source/mongoose.c:15282:13:w5500_init	24	static
-../source/mongoose.c:15296:13:w5500_up	24	static
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/net.su b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/net.su
deleted file mode 100644
index 7d71776391..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/net.su
+++ /dev/null
@@ -1,23 +0,0 @@
-../source/net.c:32:10:mg_now	16	static
-../source/net.c:36:5:ui_event_next	24	static
-../source/net.c:54:13:sfn	56	static
-../source/net.c:68:13:timer_sntp_fn	16	static
-../source/net.c:73:21:authenticate	160	static
-../source/net.c:100:13:handle_login	296	static
-../source/net.c:109:13:handle_logout	272	static
-../source/net.c:119:13:handle_debug	32	static
-../source/net.c:125:15:print_int_arr	48	static
-../source/net.c:134:13:handle_stats_get	136	static
-../source/net.c:143:15:print_events	144	static
-../source/net.c:162:13:handle_events_get	64	static
-../source/net.c:169:13:handle_settings_set	96	static
-../source/net.c:190:13:handle_settings_get	96	static
-../source/net.c:199:13:handle_firmware_upload	168	static
-../source/net.c:228:13:handle_firmware_commit	32	static
-../source/net.c:233:13:handle_firmware_rollback	32	static
-../source/net.c:238:15:print_status	120	static
-../source/net.c:246:13:handle_firmware_status	32	static
-../source/net.c:251:13:handle_device_reset	32	static
-../source/net.c:256:13:handle_device_eraselast	32	static
-../source/net.c:265:13:fn	120	static
-../source/net.c:322:6:web_init	32	static
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/packed_fs.su b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/packed_fs.su
deleted file mode 100644
index fd912b7a81..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/packed_fs.su
+++ /dev/null
@@ -1,3 +0,0 @@
-../source/packed_fs.c:2681:12:scmp	16	static
-../source/packed_fs.c:2685:13:mg_unlist	16	static
-../source/packed_fs.c:2688:13:mg_unpack	32	static
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/subdir.mk b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/subdir.mk
deleted file mode 100644
index 990c50f45f..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/subdir.mk
+++ /dev/null
@@ -1,43 +0,0 @@
-################################################################################
-# Automatically-generated file. Do not edit!
-################################################################################
-
-# Add inputs and outputs from these tool invocations to the build variables 
-C_SRCS += \
-../source/main.c \
-../source/mongoose.c \
-../source/net.c \
-../source/packed_fs.c \
-../source/syscalls.c 
-
-C_DEPS += \
-./source/main.d \
-./source/mongoose.d \
-./source/net.d \
-./source/packed_fs.d \
-./source/syscalls.d 
-
-OBJS += \
-./source/main.o \
-./source/mongoose.o \
-./source/net.o \
-./source/packed_fs.o \
-./source/syscalls.o 
-
-
-# Each subdirectory must supply rules for building sources it contributes
-source/%.o: ../source/%.c source/subdir.mk
-	@echo 'Building file: $<'
-	@echo 'Invoking: MCU C Compiler'
-	arm-none-eabi-gcc -DCPU_MIMXRT1062DVL6B -DUART_DEBUG=LPUART3 -DCPU_MIMXRT1062DVL6B_cm7 -DSDK_OS_BAREMETAL -DXIP_EXTERNAL_FLASH=1 -DXIP_BOOT_HEADER_ENABLE=1 -DSDK_DEBUGCONSOLE=1 -DSERIAL_PORT_TYPE_UART=1 -D__MCUXPRESSO -D__USE_CMSIS -DDEBUG -D__NEWLIB__ -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/board" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/source" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/drivers" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/xip" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/CMSIS" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/device" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/component/serial_manager" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/component/uart" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/utilities" -I"/root/Documents/MCUXpresso_11.8.1_1197/workspace/rt1060-evk-xpresso-baremetal-builtin/component/lists" -O0 -fno-common -g3 -Wall -c -ffunction-sections -fdata-sections -ffreestanding -fno-builtin -fmerge-constants -fmacro-prefix-map="$(<D)/"= -mcpu=cortex-m7 -mfpu=fpv5-sp-d16 -mfloat-abi=hard -mthumb -D__NEWLIB__ -fstack-usage -specs=nano.specs -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.o)" -MT"$(@:%.o=%.d)" -o "$@" "$<"
-	@echo 'Finished building: $<'
-	@echo ' '
-
-
-clean: clean-source
-
-clean-source:
-	-$(RM) ./source/main.d ./source/main.o ./source/mongoose.d ./source/mongoose.o ./source/net.d ./source/net.o ./source/packed_fs.d ./source/packed_fs.o ./source/syscalls.d ./source/syscalls.o
-
-.PHONY: clean-source
-
diff --git a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/syscalls.su b/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/syscalls.su
deleted file mode 100644
index 1111305975..0000000000
--- a/examples/nxp/rt1060-evk-xpresso-baremetal-builtin/Test/source/syscalls.su
+++ /dev/null
@@ -1,19 +0,0 @@
-../source/syscalls.c:5:5:_fstat	16	static
-../source/syscalls.c:11:7:_sbrk	32	static
-../source/syscalls.c:24:5:_open	16	static
-../source/syscalls.c:29:5:_close	16	static
-../source/syscalls.c:34:5:_isatty	16	static
-../source/syscalls.c:39:5:_lseek	24	static
-../source/syscalls.c:44:6:_exit	16	static
-../source/syscalls.c:49:6:_kill	16	static
-../source/syscalls.c:53:5:_getpid	4	static
-../source/hal.h:86:20:uart_write_byte	16	static
-../source/hal.h:90:20:uart_write_buf	24	static
-../source/syscalls.c:59:5:_write	24	static
-../source/syscalls.c:73:5:_read	24	static
-../source/syscalls.c:78:5:_link	16	static
-../source/syscalls.c:83:5:_unlink	16	static
-../source/syscalls.c:88:5:_stat	16	static
-/usr/local/mcuxpressoide-11.8.1_1197/ide/plugins/com.nxp.mcuxpresso.tools.linux_11.8.1.202308071233/tools/arm-none-eabi/include/sys/stat.h:140:5:mkdir	16	static
-../source/syscalls.c:98:6:_init	4	static
-../source/syscalls.c:102:5:_gettimeofday	24	static
diff --git a/examples/uart-bridge/net.c b/examples/uart-bridge/net.c
index 4984d8a95a..c8485603b3 100644
--- a/examples/uart-bridge/net.c
+++ b/examples/uart-bridge/net.c
@@ -26,7 +26,6 @@ struct state {
 void uart_init(int tx, int rx, int baud);
 int uart_read(void *buf, size_t len);
 void uart_write(const void *buf, size_t len);
-char *config_read(void);
 void config_write(struct mg_str config);
 
 // Let users define their own UART API. If they don't, use a dummy one
@@ -54,10 +53,6 @@ int uart_read(void *buf, size_t len) {
 #endif
 }
 
-char *config_read(void) {
-  return mg_file_read(&mg_fs_posix, "config.json", NULL);
-}
-
 void config_write(struct mg_str config) {
   mg_file_write(&mg_fs_posix, "config.json", config.ptr, config.len);
 }
@@ -185,12 +180,11 @@ static void config_apply(struct mg_str s) {
 }
 
 // HTTP request handler function
-void uart_bridge_fn(struct mg_connection *c, int ev, void *ev_data,
-                    void *fn_data) {
+void uart_bridge_fn(struct mg_connection *c, int ev, void *ev_data) {
   if (ev == MG_EV_OPEN && c->is_listening) {
-    char *config = config_read();
-    if (config != NULL) config_apply(mg_str(config));
-    free(config);
+    struct mg_str config = mg_file_read(&mg_fs_posix, "config.json");
+    if (config.ptr != NULL) config_apply(config);
+    free((char *) config.ptr);
     s_state.tcp.url = strdup(DEFAULT_TCP);
     s_state.websocket.url = strdup(DEFAULT_WEBSOCKET);
     s_state.mqtt.url = strdup(DEFAULT_MQTT);
@@ -232,5 +226,4 @@ void uart_bridge_fn(struct mg_connection *c, int ev, void *ev_data,
       mg_http_serve_dir(c, ev_data, &opts);
     }
   }
-  (void) fn_data;
 }
diff --git a/examples/video-stream/main.c b/examples/video-stream/main.c
index 5bd731d527..e79077cca4 100644
--- a/examples/video-stream/main.c
+++ b/examples/video-stream/main.c
@@ -32,20 +32,19 @@ static void broadcast_mjpeg_frame(struct mg_mgr *mgr) {
   size_t nfiles = sizeof(files) / sizeof(files[0]);
   static size_t i;
   const char *path = files[i++ % nfiles];
-  size_t size = 0;
-  char *data = mg_file_read(&mg_fs_posix, path, &size);  // Read next file
+  struct mg_str data = mg_file_read(&mg_fs_posix, path);  // Read next file
   struct mg_connection *c;
   for (c = mgr->conns; c != NULL; c = c->next) {
-    if (c->data[0] != 'S') continue;         // Skip non-stream connections
-    if (data == NULL || size == 0) continue;  // Skip on file read error
+    if (c->data[0] != 'S') continue;  // Skip non-stream connections
+    if (data.ptr == NULL) continue;   // Skip on file read error
     mg_printf(c,
               "--foo\r\nContent-Type: image/jpeg\r\n"
               "Content-Length: %lu\r\n\r\n",
-              (unsigned long) size);
-    mg_send(c, data, size);
+              data.len);
+    mg_send(c, data.ptr, data.len);
     mg_send(c, "\r\n", 2);
   }
-  free(data);
+  free((void *) data.ptr);
 }
 
 static void timer_callback(void *arg) {
diff --git a/mongoose.c b/mongoose.c
index 7cc14b4774..62fde56a3b 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -1619,25 +1619,21 @@ void mg_fs_close(struct mg_fd *fd) {
   }
 }
 
-char *mg_file_read(struct mg_fs *fs, const char *path, size_t *sizep) {
-  struct mg_fd *fd;
-  char *data = NULL;
-  size_t size = 0;
-  fs->st(path, &size, NULL);
-  if ((fd = mg_fs_open(fs, path, MG_FS_READ)) != NULL) {
-    data = (char *) calloc(1, size + 1);
-    if (data != NULL) {
-      if (fs->rd(fd->fd, data, size) != size) {
-        free(data);
-        data = NULL;
-      } else {
-        data[size] = '\0';
-        if (sizep != NULL) *sizep = size;
-      }
-    }
-    mg_fs_close(fd);
-  }
-  return data;
+struct mg_str mg_file_read(struct mg_fs *fs, const char *path) {
+  struct mg_str result = {NULL, 0};
+  void *fp;
+  fs->st(path, &result.len, NULL);
+  if ((fp = fs->op(path, MG_FS_READ)) != NULL) {
+    result.ptr = (char *) calloc(1, result.len + 1);
+    if (result.ptr != NULL &&
+        fs->rd(fp, (void *) result.ptr, result.len) != result.len) {
+      free((void *) result.ptr);
+      result.ptr = NULL;
+    }
+    fs->cl(fp);
+  }
+  if (result.ptr == NULL) result.len = 0;
+  return result;
 }
 
 bool mg_file_write(struct mg_fs *fs, const char *path, const void *buf,
diff --git a/mongoose.h b/mongoose.h
index 8295160a73..b1f3ec95de 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -1022,7 +1022,7 @@ struct mg_fd {
 struct mg_fd *mg_fs_open(struct mg_fs *fs, const char *path, int flags);
 void mg_fs_close(struct mg_fd *fd);
 bool mg_fs_ls(struct mg_fs *fs, const char *path, char *buf, size_t len);
-char *mg_file_read(struct mg_fs *fs, const char *path, size_t *size);
+struct mg_str mg_file_read(struct mg_fs *fs, const char *path);
 bool mg_file_write(struct mg_fs *fs, const char *path, const void *, size_t);
 bool mg_file_printf(struct mg_fs *fs, const char *path, const char *fmt, ...);
 
diff --git a/src/fs.c b/src/fs.c
index 5e84fa813c..758c8e2338 100644
--- a/src/fs.c
+++ b/src/fs.c
@@ -22,25 +22,21 @@ void mg_fs_close(struct mg_fd *fd) {
   }
 }
 
-char *mg_file_read(struct mg_fs *fs, const char *path, size_t *sizep) {
-  struct mg_fd *fd;
-  char *data = NULL;
-  size_t size = 0;
-  fs->st(path, &size, NULL);
-  if ((fd = mg_fs_open(fs, path, MG_FS_READ)) != NULL) {
-    data = (char *) calloc(1, size + 1);
-    if (data != NULL) {
-      if (fs->rd(fd->fd, data, size) != size) {
-        free(data);
-        data = NULL;
-      } else {
-        data[size] = '\0';
-        if (sizep != NULL) *sizep = size;
-      }
+struct mg_str mg_file_read(struct mg_fs *fs, const char *path) {
+  struct mg_str result = {NULL, 0};
+  void *fp;
+  fs->st(path, &result.len, NULL);
+  if ((fp = fs->op(path, MG_FS_READ)) != NULL) {
+    result.ptr = (char *) calloc(1, result.len + 1);
+    if (result.ptr != NULL &&
+        fs->rd(fp, (void *) result.ptr, result.len) != result.len) {
+      free((void *) result.ptr);
+      result.ptr = NULL;
     }
-    mg_fs_close(fd);
+    fs->cl(fp);
   }
-  return data;
+  if (result.ptr == NULL) result.len = 0;
+  return result;
 }
 
 bool mg_file_write(struct mg_fs *fs, const char *path, const void *buf,
diff --git a/src/fs.h b/src/fs.h
index b09e9bdaae..3f87e0ad2d 100644
--- a/src/fs.h
+++ b/src/fs.h
@@ -40,7 +40,7 @@ struct mg_fd {
 struct mg_fd *mg_fs_open(struct mg_fs *fs, const char *path, int flags);
 void mg_fs_close(struct mg_fd *fd);
 bool mg_fs_ls(struct mg_fs *fs, const char *path, char *buf, size_t len);
-char *mg_file_read(struct mg_fs *fs, const char *path, size_t *size);
+struct mg_str mg_file_read(struct mg_fs *fs, const char *path);
 bool mg_file_write(struct mg_fs *fs, const char *path, const void *, size_t);
 bool mg_file_printf(struct mg_fs *fs, const char *path, const char *fmt, ...);
 
diff --git a/test/unit_test.c b/test/unit_test.c
index 4eefc0ec5c..1c5cd6fdf7 100644
--- a/test/unit_test.c
+++ b/test/unit_test.c
@@ -743,7 +743,7 @@ static int fetch(struct mg_mgr *mgr, char *buf, const char *url,
   if (c != NULL && mg_url_is_ssl(url)) {
     struct mg_tls_opts opts;
     memset(&opts, 0, sizeof(opts));  // read CA from packed_fs
-    opts.ca = mg_unpacked("test/data/ca.pem");
+    opts.ca = mg_unpacked("/test/data/ca.pem");
     if (strstr(url, "127.0.0.1") != NULL) {
       // Local connection, use self-signed certificates
       opts.ca = mg_str(s_tls_ca);
@@ -998,10 +998,10 @@ static void test_http_server(void) {
   // ASSERT(cmpbody(buf, "Invalid web root [/BAAADDD!]\n") == 0);
 
   {
-    char *data = mg_file_read(&mg_fs_posix, "./test/data/ca.pem", NULL);
+    struct mg_str data = mg_file_read(&mg_fs_posix, "./test/data/ca.pem");
     ASSERT(fetch(&mgr, buf, url, "GET /ca.pem HTTP/1.0\r\n\n") == 200);
-    ASSERT(cmpbody(buf, data) == 0);
-    free(data);
+    ASSERT(cmpbody(buf, data.ptr) == 0);
+    free((void *) data.ptr);
   }
 
   {
@@ -1059,9 +1059,10 @@ static void test_http_server(void) {
 
   {
     // Test upload
-    char *p;
+    struct mg_str s;
     remove("uploaded.txt");
-    ASSERT((p = mg_file_read(&mg_fs_posix, "uploaded.txt", NULL)) == NULL);
+    s = mg_file_read(&mg_fs_posix, "uploaded.txt");
+    ASSERT(s.ptr == NULL);
     ASSERT(fetch(&mgr, buf, url,
                  "POST /upload HTTP/1.0\n"
                  "Content-Length: 1\n\nx") == 400);
@@ -1074,22 +1075,25 @@ static void test_http_server(void) {
                  "POST /upload?file=uploaded.txt&offset=5 HTTP/1.0\r\n"
                  "Content-Length: 6\r\n"
                  "\r\n\nworld") == 200);
-    ASSERT((p = mg_file_read(&mg_fs_posix, "uploaded.txt", NULL)) != NULL);
-    ASSERT(strcmp(p, "hello\nworld") == 0);
-    free(p);
+    s = mg_file_read(&mg_fs_posix, "uploaded.txt");
+    ASSERT(s.ptr != NULL);
+    ASSERT(strcmp(s.ptr, "hello\nworld") == 0);
+    free((void *) s.ptr);
     remove("uploaded.txt");
   }
 
   {
     // Test upload directory traversal
-    char *p;
+    struct mg_str s;
     remove("uploaded.txt");
-    ASSERT((p = mg_file_read(&mg_fs_posix, "uploaded.txt", NULL)) == NULL);
+    s = mg_file_read(&mg_fs_posix, "uploaded.txt");
+    ASSERT(s.ptr == NULL);
     ASSERT(fetch(&mgr, buf, url,
                  "POST /upload?file=../uploaded.txt HTTP/1.0\r\n"
                  "Content-Length: 5\r\n"
                  "\r\nhello") == 400);
-    ASSERT((p = mg_file_read(&mg_fs_posix, "uploaded.txt", NULL)) == NULL);
+    s = mg_file_read(&mg_fs_posix, "uploaded.txt");
+    ASSERT(s.ptr == NULL);
   }
 
   // HEAD request
@@ -1238,10 +1242,12 @@ static void test_http_client(void) {
   struct mg_connection *c = NULL;
   const char *url = "http://cesanta.com";
   int i, ok = 0;
-  size_t size = 0;  // read CA certs from plain file
-  char *data = mg_file_read(&mg_fs_posix, "test/data/ca.pem", &size);
   struct mg_tls_opts opts;
   memset(&opts, 0, sizeof(opts));
+  opts.ca = mg_unpacked("/test/data/ca.pem");
+  opts.name = mg_url_host(url);
+  ASSERT(opts.ca.len > 0);
+  ASSERT(opts.name.len > 0);
   mg_mgr_init(&mgr);
   c = mg_http_connect(&mgr, url, f3, &ok);
   ASSERT(c != NULL);
@@ -1255,17 +1261,12 @@ static void test_http_client(void) {
 #if MG_TLS
   c = mg_http_connect(&mgr, "https://cesanta.com", f3, &ok);
   ASSERT(c != NULL);
-  if (c != NULL) {
-    opts.ca = mg_str_n(data, size);
-    // opts.name = mg_url_host(url);
-    mg_tls_init(c, &opts);
-  }
+  mg_tls_init(c, &opts);
   for (i = 0; i < 1500 && ok <= 0; i++) mg_mgr_poll(&mgr, 1);
   ASSERT(ok == 200);
   c->is_closing = 1;
   mg_mgr_poll(&mgr, 1);
 
-#if 1
   // Test failed host validation
   c = mg_http_connect(&mgr, "https://cesanta.com", f3, &ok);
   ASSERT(c != NULL);
@@ -1287,7 +1288,6 @@ static void test_http_client(void) {
   ASSERT(ok == 200);
   mg_mgr_poll(&mgr, 1);
 #endif
-#endif
 
 #if MG_ENABLE_IPV6
   ok = 0;
@@ -1300,7 +1300,6 @@ static void test_http_client(void) {
 
   mg_mgr_free(&mgr);
   ASSERT(mgr.conns == NULL);
-  free(data);
 }
 
 // Test host validation only (no CA, no cert)
@@ -1317,7 +1316,7 @@ static void test_host_validation(void) {
   ok = 0;
   c = mg_http_connect(&mgr, url, f3, &ok);
   ASSERT(c != NULL);
-  opts.ca = mg_unpacked("test/data/ca.pem");
+  opts.ca = mg_unpacked("/test/data/ca.pem");
   mg_tls_init(c, &opts);
   for (i = 0; i < 1500 && ok <= 0; i++) mg_mgr_poll(&mgr, 10);
   ASSERT(ok == 200);
@@ -2188,15 +2187,17 @@ static void test_dns(void) {
 
 static void test_util(void) {
   const char *e;
-  char buf[100], *p, *s;
+  char buf[100], *s;
   struct mg_addr a;
   uint32_t ipv4;
+  struct mg_str data;
   memset(&a, 0xa5, sizeof(a));
   ASSERT(mg_file_printf(&mg_fs_posix, "data.txt", "%s", "hi") == true);
   // if (system("ls -l") != 0) (void) 0;
-  ASSERT((p = mg_file_read(&mg_fs_posix, "data.txt", NULL)) != NULL);
-  ASSERT(strcmp(p, "hi") == 0);
-  free(p);
+  data = mg_file_read(&mg_fs_posix, "data.txt");
+  ASSERT(data.ptr != NULL);
+  ASSERT(strcmp(data.ptr, "hi") == 0);
+  free((void *) data.ptr);
   remove("data.txt");
   ASSERT(mg_aton(mg_str("0"), &a) == false);
   ASSERT(mg_aton(mg_str("0.0.0."), &a) == false);
@@ -2610,8 +2611,8 @@ static void eh7(struct mg_connection *c, int ev, void *ev_data) {
 static void test_packed(void) {
   struct mg_mgr mgr;
   const char *url = "http://127.0.0.1:12351";
-  char buf[FETCH_BUF_SIZE],
-      *data = mg_file_read(&mg_fs_posix, "Makefile", NULL);
+  char buf[FETCH_BUF_SIZE];
+  struct mg_str data = mg_file_read(&mg_fs_posix, "Makefile");
   mg_mgr_init(&mgr);
   mg_http_listen(&mgr, url, eh7, NULL);
 
@@ -2619,14 +2620,14 @@ static void test_packed(void) {
   // fetch(&mgr, buf, url, "GET /Makefile HTTP/1.0\n\n");
   // printf("---> %s\n", buf);
   ASSERT(fetch(&mgr, buf, url, "GET /Makefile HTTP/1.0\n\n") == 200);
-  ASSERT(cmpbody(buf, data) == 0);
-  free(data);
+  ASSERT(cmpbody(buf, data.ptr) == 0);
+  free((void *) data.ptr);
 
   // Load file deeper in the FS tree directly
-  data = mg_file_read(&mg_fs_posix, "src/ssi.h", NULL);
+  data = mg_file_read(&mg_fs_posix, "src/ssi.h");
   ASSERT(fetch(&mgr, buf, url, "GET /src/ssi.h HTTP/1.0\n\n") == 200);
-  ASSERT(cmpbody(buf, data) == 0);
-  free(data);
+  ASSERT(cmpbody(buf, data.ptr) == 0);
+  free((void *) data.ptr);
 
   // List root dir
   ASSERT(fetch(&mgr, buf, url, "GET / HTTP/1.0\n\n") == 200);