From c11e5a9383ebe39a12cf38c1165f9df913b30c5d Mon Sep 17 00:00:00 2001
From: James Hilliard <james.hilliard1@gmail.com>
Date: Tue, 12 Oct 2021 18:26:20 -0600
Subject: [PATCH 1/8] Make private functions static and add missing prototypes.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fixes:
mongoose/mongoose.c:180:8: warning: no previous prototype for ‘mg_dns_parse_name’ [-Wmissing-prototypes]
  180 | size_t mg_dns_parse_name(const uint8_t *s, size_t n, size_t ofs, char *dst,
      |        ^~~~~~~~~~~~~~~~~
mongoose/mongoose.c:306:6: warning: no previous prototype for ‘mg_dns_send’ [-Wmissing-prototypes]
  306 | void mg_dns_send(struct mg_connection *c, const struct mg_str *name,
      |      ^~~~~~~~~~~
mongoose/mongoose.c:925:6: warning: no previous prototype for ‘mg_http_parse_headers’ [-Wmissing-prototypes]
  925 | void mg_http_parse_headers(const char *s, const char *end,
      |      ^~~~~~~~~~~~~~~~~~~~~
mongoose/mongoose.c:1125:7: warning: no previous prototype for ‘mg_http_etag’ [-Wmissing-prototypes]
 1125 | char *mg_http_etag(char *buf, size_t len, size_t size, time_t mtime) {
      |       ^~~~~~~~~~~~
mongoose/mongoose.c:2578:6: warning: no previous prototype for ‘mg_sha1_transform’ [-Wmissing-prototypes]
 2578 | void mg_sha1_transform(uint32_t state[5], const unsigned char buffer[64]) {
      |      ^~~~~~~~~~~~~~~~~
mongoose/mongoose.c:2976:8: warning: no previous prototype for ‘mg_open_listener’ [-Wmissing-prototypes]
 2976 | SOCKET mg_open_listener(const char *url, struct mg_addr *addr) {
      |        ^~~~~~~~~~~~~~~~

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
---
 Makefile               |  2 +-
 mongoose.c             | 11 ++++++-----
 src/base64.c           |  1 +
 src/dns.c              |  4 ++--
 src/http.c             |  3 ++-
 src/sha1.c             |  2 +-
 src/sock.c             |  2 +-
 test/mongoose_custom.c |  2 ++
 test/pack.c            |  2 ++
 9 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/Makefile b/Makefile
index b17030e5..fee95c02 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 SRCS = mongoose.c test/unit_test.c test/packed_fs.c
 HDRS = $(wildcard src/*.h)
 DEFS ?= -DMG_MAX_HTTP_HEADERS=7 -DMG_ENABLE_LINES -DMG_ENABLE_PACKED_FS=1
-WARN ?= -W -Wall -Werror -Wshadow -Wdouble-promotion -fno-common -Wconversion
+WARN ?= -W -Wall -Werror -Wshadow -Wdouble-promotion -fno-common -Wconversion -Wmissing-prototypes
 OPTS ?= -O3 -g3
 INCS ?= -Isrc -I.
 CFLAGS ?= $(OPTS) $(WARN) $(INCS) $(DEFS) $(TFLAGS) $(EXTRA)
diff --git a/mongoose.c b/mongoose.c
index 9411a8a9..5952647c 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -177,7 +177,7 @@ static size_t mg_dns_parse_name_depth(const uint8_t *s, size_t len, size_t ofs,
   return i;
 }
 
-size_t mg_dns_parse_name(const uint8_t *s, size_t n, size_t ofs, char *dst,
+static size_t mg_dns_parse_name(const uint8_t *s, size_t n, size_t ofs, char *dst,
                          size_t dstlen) {
   return mg_dns_parse_name_depth(s, n, ofs, dst, dstlen, 0);
 }
@@ -303,7 +303,7 @@ static void dns_cb(struct mg_connection *c, int ev, void *ev_data,
   (void) fn_data;
 }
 
-void mg_dns_send(struct mg_connection *c, const struct mg_str *name,
+static void mg_dns_send(struct mg_connection *c, const struct mg_str *name,
                  uint16_t txnid, bool ipv6) {
   struct {
     struct mg_dns_header header;
@@ -922,7 +922,7 @@ struct mg_str *mg_http_get_header(struct mg_http_message *h, const char *name) {
   return NULL;
 }
 
-void mg_http_parse_headers(const char *s, const char *end,
+static void mg_http_parse_headers(const char *s, const char *end,
                            struct mg_http_header *h, int max_headers) {
   int i;
   for (i = 0; i < max_headers; i++) {
@@ -1122,6 +1122,7 @@ static void restore_http_cb(struct mg_connection *c) {
   c->pfn = http_cb;
 }
 
+char *mg_http_etag(char *buf, size_t len, size_t size, time_t mtime);
 char *mg_http_etag(char *buf, size_t len, size_t size, time_t mtime) {
   snprintf(buf, len, "\"%lx." MG_INT64_FMT "\"", (unsigned long) mtime,
            (int64_t) size);
@@ -2575,7 +2576,7 @@ static uint32_t blk0(union char64long16 *block, int i) {
   z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + rol(v, 5); \
   w = rol(w, 30);
 
-void mg_sha1_transform(uint32_t state[5], const unsigned char buffer[64]) {
+static void mg_sha1_transform(uint32_t state[5], const unsigned char buffer[64]) {
   uint32_t a, b, c, d, e;
   union char64long16 block[1];
 
@@ -2973,7 +2974,7 @@ static void mg_set_non_blocking_mode(SOCKET fd) {
 #endif
 }
 
-SOCKET mg_open_listener(const char *url, struct mg_addr *addr) {
+static SOCKET mg_open_listener(const char *url, struct mg_addr *addr) {
   SOCKET fd = INVALID_SOCKET;
   int s_err = 0;  // Memoized socket error, in case closesocket() overrides it
   memset(addr, 0, sizeof(*addr));
diff --git a/src/base64.c b/src/base64.c
index 5989f67b..605851e6 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -1,3 +1,4 @@
+#include "base64.h"
 #include <string.h>
 
 static int mg_b64idx(int c) {
diff --git a/src/dns.c b/src/dns.c
index 6318c537..7f3575a7 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -63,7 +63,7 @@ static size_t mg_dns_parse_name_depth(const uint8_t *s, size_t len, size_t ofs,
   return i;
 }
 
-size_t mg_dns_parse_name(const uint8_t *s, size_t n, size_t ofs, char *dst,
+static size_t mg_dns_parse_name(const uint8_t *s, size_t n, size_t ofs, char *dst,
                          size_t dstlen) {
   return mg_dns_parse_name_depth(s, n, ofs, dst, dstlen, 0);
 }
@@ -189,7 +189,7 @@ static void dns_cb(struct mg_connection *c, int ev, void *ev_data,
   (void) fn_data;
 }
 
-void mg_dns_send(struct mg_connection *c, const struct mg_str *name,
+static void mg_dns_send(struct mg_connection *c, const struct mg_str *name,
                  uint16_t txnid, bool ipv6) {
   struct {
     struct mg_dns_header header;
diff --git a/src/http.c b/src/http.c
index 2727d634..8d2b5526 100644
--- a/src/http.c
+++ b/src/http.c
@@ -172,7 +172,7 @@ struct mg_str *mg_http_get_header(struct mg_http_message *h, const char *name) {
   return NULL;
 }
 
-void mg_http_parse_headers(const char *s, const char *end,
+static void mg_http_parse_headers(const char *s, const char *end,
                            struct mg_http_header *h, int max_headers) {
   int i;
   for (i = 0; i < max_headers; i++) {
@@ -372,6 +372,7 @@ static void restore_http_cb(struct mg_connection *c) {
   c->pfn = http_cb;
 }
 
+char *mg_http_etag(char *buf, size_t len, size_t size, time_t mtime);
 char *mg_http_etag(char *buf, size_t len, size_t size, time_t mtime) {
   snprintf(buf, len, "\"%lx." MG_INT64_FMT "\"", (unsigned long) mtime,
            (int64_t) size);
diff --git a/src/sha1.c b/src/sha1.c
index d4b4655d..2719c10d 100644
--- a/src/sha1.c
+++ b/src/sha1.c
@@ -62,7 +62,7 @@ static uint32_t blk0(union char64long16 *block, int i) {
   z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + rol(v, 5); \
   w = rol(w, 30);
 
-void mg_sha1_transform(uint32_t state[5], const unsigned char buffer[64]) {
+static void mg_sha1_transform(uint32_t state[5], const unsigned char buffer[64]) {
   uint32_t a, b, c, d, e;
   union char64long16 block[1];
 
diff --git a/src/sock.c b/src/sock.c
index c59f5167..6625c77e 100644
--- a/src/sock.c
+++ b/src/sock.c
@@ -127,7 +127,7 @@ static void mg_set_non_blocking_mode(SOCKET fd) {
 #endif
 }
 
-SOCKET mg_open_listener(const char *url, struct mg_addr *addr) {
+static SOCKET mg_open_listener(const char *url, struct mg_addr *addr) {
   SOCKET fd = INVALID_SOCKET;
   int s_err = 0;  // Memoized socket error, in case closesocket() overrides it
   memset(addr, 0, sizeof(*addr));
diff --git a/test/mongoose_custom.c b/test/mongoose_custom.c
index 3d882d7f..fa4de347 100644
--- a/test/mongoose_custom.c
+++ b/test/mongoose_custom.c
@@ -23,6 +23,7 @@ struct mg_connection *mg_connect(struct mg_mgr *mgr, const char *url,
   return NULL;
 }
 
+void mg_connect_resolved(struct mg_connection *c);
 void mg_connect_resolved(struct mg_connection *c) {
   (void) c;
 }
@@ -52,5 +53,6 @@ struct mg_connection *mg_mkpipe(struct mg_mgr *mgr, mg_event_handler_t fn,
   return NULL;
 }
 
+void _fini(void);
 void _fini(void) {
 }
diff --git a/test/pack.c b/test/pack.c
index 183de982..a296a13f 100644
--- a/test/pack.c
+++ b/test/pack.c
@@ -23,9 +23,11 @@
 #include <sys/stat.h>
 
 static const char *code =
+    "const char *mg_unlist(size_t no);\n"
     "const char *mg_unlist(size_t no) {\n"
     "  return packed_files[no].name;\n"
     "}\n"
+    "const char *mg_unpack(const char *name, size_t *size, time_t *mtime);\n"
     "const char *mg_unpack(const char *name, size_t *size, time_t *mtime) {\n"
     "  const struct packed_file *p;\n"
     "  for (p = packed_files; p->name != NULL; p++) {\n"

From c62c8ea4ddc209417c151a68ef783a5103fbe6cb Mon Sep 17 00:00:00 2001
From: Sergey Lyubka <valenok@gmail.com>
Date: Wed, 20 Oct 2021 10:04:49 +0100
Subject: [PATCH 2/8] Correct licensing URL

---
 mongoose.c    | 4 ++--
 mongoose.h    | 4 ++--
 src/license.h | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/mongoose.c b/mongoose.c
index 9411a8a9..9abcf9fb 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -5,7 +5,7 @@
 // This software is dual-licensed: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License version 2 as
 // published by the Free Software Foundation. For the terms of this
-// license, see <http://www.gnu.org/licenses/>.
+// license, see http://www.gnu.org/licenses/
 //
 // You are free to use this software under the terms of the GNU General
 // Public License, but WITHOUT ANY WARRANTY; without even the implied
@@ -13,7 +13,7 @@
 // See the GNU General Public License for more details.
 //
 // Alternatively, you can license this software under a commercial
-// license, as set out in <https://www.cesanta.com/license>.
+// license, as set out in https://www.mongoose.ws/licensing/
 
 #include "mongoose.h"
 
diff --git a/mongoose.h b/mongoose.h
index a1d00646..c3be53d3 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -5,7 +5,7 @@
 // This software is dual-licensed: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License version 2 as
 // published by the Free Software Foundation. For the terms of this
-// license, see <http://www.gnu.org/licenses/>.
+// license, see http://www.gnu.org/licenses/
 //
 // You are free to use this software under the terms of the GNU General
 // Public License, but WITHOUT ANY WARRANTY; without even the implied
@@ -13,7 +13,7 @@
 // See the GNU General Public License for more details.
 //
 // Alternatively, you can license this software under a commercial
-// license, as set out in <https://www.cesanta.com/license>.
+// license, as set out in https://www.mongoose.ws/licensing/
 
 #ifndef MONGOOSE_H
 #define MONGOOSE_H
diff --git a/src/license.h b/src/license.h
index 47a86452..c62f00f4 100644
--- a/src/license.h
+++ b/src/license.h
@@ -5,7 +5,7 @@
 // This software is dual-licensed: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License version 2 as
 // published by the Free Software Foundation. For the terms of this
-// license, see <http://www.gnu.org/licenses/>.
+// license, see http://www.gnu.org/licenses/
 //
 // You are free to use this software under the terms of the GNU General
 // Public License, but WITHOUT ANY WARRANTY; without even the implied
@@ -13,4 +13,4 @@
 // See the GNU General Public License for more details.
 //
 // Alternatively, you can license this software under a commercial
-// license, as set out in <https://www.cesanta.com/license>.
+// license, as set out in https://www.mongoose.ws/licensing/

From 7c5e67b27210e7dee69820d8d6594e429e154aa9 Mon Sep 17 00:00:00 2001
From: Sergey Lyubka <valenok@gmail.com>
Date: Fri, 22 Oct 2021 08:56:45 +0100
Subject: [PATCH 3/8] Fix #1382 - use sendto for UDP send

---
 mongoose.c | 42 ++++++++++++++++++++++++------------------
 src/dns.c  | 18 +++++++++---------
 src/http.c |  2 +-
 src/sntp.c |  3 +--
 src/sock.c | 19 +++++++++++++------
 5 files changed, 48 insertions(+), 36 deletions(-)

diff --git a/mongoose.c b/mongoose.c
index 9abcf9fb..c11daf8c 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -188,22 +188,22 @@ size_t mg_dns_parse_rr(const uint8_t *buf, size_t len, size_t ofs,
 
   memset(rr, 0, sizeof(*rr));
   if (len < sizeof(struct mg_dns_header)) return 0;  // Too small
-  if (len > 512) return 0;         //  Too large, we don't expect that
-  if (s >= e) return 0;            //  Overflow
+  if (len > 512) return 0;  //  Too large, we don't expect that
+  if (s >= e) return 0;     //  Overflow
 
   if ((rr->nlen = (uint16_t) mg_dns_parse_name(buf, len, ofs, NULL, 0)) == 0)
     return 0;
   s += rr->nlen + 4;
   if (s > e) return 0;
-  rr->atype = (uint16_t)(((uint16_t) s[-4] << 8) | s[-3]);
-  rr->aclass = (uint16_t)(((uint16_t) s[-2] << 8) | s[-1]);
-  if (is_question) return (size_t)(rr->nlen + 4);
+  rr->atype = (uint16_t) (((uint16_t) s[-4] << 8) | s[-3]);
+  rr->aclass = (uint16_t) (((uint16_t) s[-2] << 8) | s[-1]);
+  if (is_question) return (size_t) (rr->nlen + 4);
 
   s += 6;
   if (s > e) return 0;
-  rr->alen = (uint16_t)(((uint16_t) s[-2] << 8) | s[-1]);
+  rr->alen = (uint16_t) (((uint16_t) s[-2] << 8) | s[-1]);
   if (s + rr->alen > e) return 0;
-  return (size_t)(rr->nlen + rr->alen + 10);
+  return (size_t) (rr->nlen + rr->alen + 10);
 }
 
 bool mg_dns_parse(const uint8_t *buf, size_t len, struct mg_dns_message *dm) {
@@ -316,7 +316,7 @@ void mg_dns_send(struct mg_connection *c, const struct mg_str *name,
   pkt.header.num_questions = mg_htons(1);
   for (i = n = 0; i < sizeof(pkt.data) - 5; i++) {
     if (name->ptr[i] == '.' || i >= name->len) {
-      pkt.data[n] = (uint8_t)(i - n);
+      pkt.data[n] = (uint8_t) (i - n);
       memcpy(&pkt.data[n + 1], name->ptr + n, i - n);
       n = i + 1;
     }
@@ -358,7 +358,7 @@ static void mg_sendnsreq(struct mg_connection *c, struct mg_str *name, int ms,
 #if MG_ENABLE_LOG
     char buf[100];
 #endif
-    d->txnid = s_reqs ? (uint16_t)(s_reqs->txnid + 1) : 1;
+    d->txnid = s_reqs ? (uint16_t) (s_reqs->txnid + 1) : 1;
     d->next = s_reqs;
     s_reqs = d;
     d->expire = mg_millis() + (unsigned long) ms;
@@ -1475,7 +1475,7 @@ static int uri_to_path2(struct mg_connection *c, struct mg_http_message *hm,
     path[path_size - 1] = '\0';  // Double-check
     remove_double_dots(path);
     n = strlen(path);
-    LOG(LL_DEBUG, ("--> %s", path));
+    LOG(LL_VERBOSE_DEBUG, ("%lu %s", c->id, path));
     while (n > 0 && path[n - 1] == '/') path[--n] = 0;  // Trim trailing slashes
     flags = fs->stat(path, NULL, NULL);                 // Does it exist?
     if (flags == 0) {
@@ -2828,8 +2828,7 @@ void mg_sntp_send(struct mg_connection *c, unsigned long utc) {
     s_sntmp_next = utc + SNTP_INTERVAL_SEC;
     buf[0] = (3 << 6) | (4 << 3) | 3;
     mg_send(c, buf, sizeof(buf));
-    LOG(LL_DEBUG,
-        ("%p request sent, ct %lu, next at %lu", c->fd, utc, s_sntmp_next));
+    LOG(LL_DEBUG, ("%lu ct %lu, next at %lu", c->id, utc, s_sntmp_next));
   }
 }
 
@@ -2947,7 +2946,14 @@ static struct mg_connection *alloc_conn(struct mg_mgr *mgr, bool is_client,
 }
 
 static long mg_sock_send(struct mg_connection *c, const void *buf, size_t len) {
-  long n = send(FD(c), (char *) buf, len, MSG_NONBLOCKING);
+  long n;
+  if (c->is_udp) {
+    union usa usa;
+    socklen_t slen = tousa(&c->peer, &usa);
+    n = sendto(FD(c), (char *) buf, len, 0, &usa.sa, slen);
+  } else {
+    n = send(FD(c), (char *) buf, len, MSG_NONBLOCKING);
+  }
   return n == 0 ? -1 : n < 0 && mg_sock_would_block() ? 0 : n;
 }
 
@@ -3213,12 +3219,12 @@ static void accept_conn(struct mg_mgr *mgr, struct mg_connection *lsn) {
   SOCKET fd = accept(FD(lsn), &usa.sa, &sa_len);
   if (fd == INVALID_SOCKET) {
 #if MG_ARCH == MG_ARCH_AZURERTOS
-  // AzureRTOS, in non-block socket mode can mark listening socket readable
-  // even it is not. See comment for 'select' func implementation in nx_bsd.c
-  // That's not an error, just should try later
-	if (MG_SOCK_ERRNO != EAGAIN)
+    // AzureRTOS, in non-block socket mode can mark listening socket readable
+    // even it is not. See comment for 'select' func implementation in nx_bsd.c
+    // That's not an error, just should try later
+    if (MG_SOCK_ERRNO != EAGAIN)
 #endif
-    LOG(LL_ERROR, ("%lu accept failed, errno %d", lsn->id, MG_SOCK_ERRNO));
+      LOG(LL_ERROR, ("%lu accept failed, errno %d", lsn->id, MG_SOCK_ERRNO));
 #if (!defined(_WIN32) && (MG_ARCH != MG_ARCH_FREERTOS_TCP))
   } else if ((long) fd >= FD_SETSIZE) {
     LOG(LL_ERROR, ("%ld > %ld", (long) fd, (long) FD_SETSIZE));
diff --git a/src/dns.c b/src/dns.c
index 6318c537..32fef8ae 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -74,22 +74,22 @@ size_t mg_dns_parse_rr(const uint8_t *buf, size_t len, size_t ofs,
 
   memset(rr, 0, sizeof(*rr));
   if (len < sizeof(struct mg_dns_header)) return 0;  // Too small
-  if (len > 512) return 0;         //  Too large, we don't expect that
-  if (s >= e) return 0;            //  Overflow
+  if (len > 512) return 0;  //  Too large, we don't expect that
+  if (s >= e) return 0;     //  Overflow
 
   if ((rr->nlen = (uint16_t) mg_dns_parse_name(buf, len, ofs, NULL, 0)) == 0)
     return 0;
   s += rr->nlen + 4;
   if (s > e) return 0;
-  rr->atype = (uint16_t)(((uint16_t) s[-4] << 8) | s[-3]);
-  rr->aclass = (uint16_t)(((uint16_t) s[-2] << 8) | s[-1]);
-  if (is_question) return (size_t)(rr->nlen + 4);
+  rr->atype = (uint16_t) (((uint16_t) s[-4] << 8) | s[-3]);
+  rr->aclass = (uint16_t) (((uint16_t) s[-2] << 8) | s[-1]);
+  if (is_question) return (size_t) (rr->nlen + 4);
 
   s += 6;
   if (s > e) return 0;
-  rr->alen = (uint16_t)(((uint16_t) s[-2] << 8) | s[-1]);
+  rr->alen = (uint16_t) (((uint16_t) s[-2] << 8) | s[-1]);
   if (s + rr->alen > e) return 0;
-  return (size_t)(rr->nlen + rr->alen + 10);
+  return (size_t) (rr->nlen + rr->alen + 10);
 }
 
 bool mg_dns_parse(const uint8_t *buf, size_t len, struct mg_dns_message *dm) {
@@ -202,7 +202,7 @@ void mg_dns_send(struct mg_connection *c, const struct mg_str *name,
   pkt.header.num_questions = mg_htons(1);
   for (i = n = 0; i < sizeof(pkt.data) - 5; i++) {
     if (name->ptr[i] == '.' || i >= name->len) {
-      pkt.data[n] = (uint8_t)(i - n);
+      pkt.data[n] = (uint8_t) (i - n);
       memcpy(&pkt.data[n + 1], name->ptr + n, i - n);
       n = i + 1;
     }
@@ -244,7 +244,7 @@ static void mg_sendnsreq(struct mg_connection *c, struct mg_str *name, int ms,
 #if MG_ENABLE_LOG
     char buf[100];
 #endif
-    d->txnid = s_reqs ? (uint16_t)(s_reqs->txnid + 1) : 1;
+    d->txnid = s_reqs ? (uint16_t) (s_reqs->txnid + 1) : 1;
     d->next = s_reqs;
     s_reqs = d;
     d->expire = mg_millis() + (unsigned long) ms;
diff --git a/src/http.c b/src/http.c
index 2727d634..7b082220 100644
--- a/src/http.c
+++ b/src/http.c
@@ -725,7 +725,7 @@ static int uri_to_path2(struct mg_connection *c, struct mg_http_message *hm,
     path[path_size - 1] = '\0';  // Double-check
     remove_double_dots(path);
     n = strlen(path);
-    LOG(LL_DEBUG, ("--> %s", path));
+    LOG(LL_VERBOSE_DEBUG, ("%lu %s", c->id, path));
     while (n > 0 && path[n - 1] == '/') path[--n] = 0;  // Trim trailing slashes
     flags = fs->stat(path, NULL, NULL);                 // Does it exist?
     if (flags == 0) {
diff --git a/src/sntp.c b/src/sntp.c
index dc932fbf..ad4c8a90 100644
--- a/src/sntp.c
+++ b/src/sntp.c
@@ -54,8 +54,7 @@ void mg_sntp_send(struct mg_connection *c, unsigned long utc) {
     s_sntmp_next = utc + SNTP_INTERVAL_SEC;
     buf[0] = (3 << 6) | (4 << 3) | 3;
     mg_send(c, buf, sizeof(buf));
-    LOG(LL_DEBUG,
-        ("%p request sent, ct %lu, next at %lu", c->fd, utc, s_sntmp_next));
+    LOG(LL_DEBUG, ("%lu ct %lu, next at %lu", c->id, utc, s_sntmp_next));
   }
 }
 
diff --git a/src/sock.c b/src/sock.c
index c59f5167..11ea3426 100644
--- a/src/sock.c
+++ b/src/sock.c
@@ -101,7 +101,14 @@ static struct mg_connection *alloc_conn(struct mg_mgr *mgr, bool is_client,
 }
 
 static long mg_sock_send(struct mg_connection *c, const void *buf, size_t len) {
-  long n = send(FD(c), (char *) buf, len, MSG_NONBLOCKING);
+  long n;
+  if (c->is_udp) {
+    union usa usa;
+    socklen_t slen = tousa(&c->peer, &usa);
+    n = sendto(FD(c), (char *) buf, len, 0, &usa.sa, slen);
+  } else {
+    n = send(FD(c), (char *) buf, len, MSG_NONBLOCKING);
+  }
   return n == 0 ? -1 : n < 0 && mg_sock_would_block() ? 0 : n;
 }
 
@@ -367,12 +374,12 @@ static void accept_conn(struct mg_mgr *mgr, struct mg_connection *lsn) {
   SOCKET fd = accept(FD(lsn), &usa.sa, &sa_len);
   if (fd == INVALID_SOCKET) {
 #if MG_ARCH == MG_ARCH_AZURERTOS
-  // AzureRTOS, in non-block socket mode can mark listening socket readable
-  // even it is not. See comment for 'select' func implementation in nx_bsd.c
-  // That's not an error, just should try later
-	if (MG_SOCK_ERRNO != EAGAIN)
+    // AzureRTOS, in non-block socket mode can mark listening socket readable
+    // even it is not. See comment for 'select' func implementation in nx_bsd.c
+    // That's not an error, just should try later
+    if (MG_SOCK_ERRNO != EAGAIN)
 #endif
-    LOG(LL_ERROR, ("%lu accept failed, errno %d", lsn->id, MG_SOCK_ERRNO));
+      LOG(LL_ERROR, ("%lu accept failed, errno %d", lsn->id, MG_SOCK_ERRNO));
 #if (!defined(_WIN32) && (MG_ARCH != MG_ARCH_FREERTOS_TCP))
   } else if ((long) fd >= FD_SETSIZE) {
     LOG(LL_ERROR, ("%ld > %ld", (long) fd, (long) FD_SETSIZE));

From 54590aaf269eaef1052362c01832d9bbb6a007f4 Mon Sep 17 00:00:00 2001
From: Sergey Lyubka <valenok@gmail.com>
Date: Fri, 22 Oct 2021 09:14:18 +0100
Subject: [PATCH 4/8] Use UDP sendto() on win32 only

---
 mongoose.c | 7 ++++++-
 src/sock.c | 7 ++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/mongoose.c b/mongoose.c
index c11daf8c..ddc506a9 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -2947,11 +2947,16 @@ static struct mg_connection *alloc_conn(struct mg_mgr *mgr, bool is_client,
 
 static long mg_sock_send(struct mg_connection *c, const void *buf, size_t len) {
   long n;
+#if defined(_WIN32)
+  // See #1338, #1382. On Windows, UDP send() can fail despite connected.
+  // Use sendto() instead. But not UNIX: e.g. on Mac we'll get EISCONN
   if (c->is_udp) {
     union usa usa;
     socklen_t slen = tousa(&c->peer, &usa);
     n = sendto(FD(c), (char *) buf, len, 0, &usa.sa, slen);
-  } else {
+  } else
+#endif
+  {
     n = send(FD(c), (char *) buf, len, MSG_NONBLOCKING);
   }
   return n == 0 ? -1 : n < 0 && mg_sock_would_block() ? 0 : n;
diff --git a/src/sock.c b/src/sock.c
index 11ea3426..6e816d2a 100644
--- a/src/sock.c
+++ b/src/sock.c
@@ -102,11 +102,16 @@ static struct mg_connection *alloc_conn(struct mg_mgr *mgr, bool is_client,
 
 static long mg_sock_send(struct mg_connection *c, const void *buf, size_t len) {
   long n;
+#if defined(_WIN32)
+  // See #1338, #1382. On Windows, UDP send() can fail despite connected.
+  // Use sendto() instead. But not UNIX: e.g. on Mac we'll get EISCONN
   if (c->is_udp) {
     union usa usa;
     socklen_t slen = tousa(&c->peer, &usa);
     n = sendto(FD(c), (char *) buf, len, 0, &usa.sa, slen);
-  } else {
+  } else
+#endif
+  {
     n = send(FD(c), (char *) buf, len, MSG_NONBLOCKING);
   }
   return n == 0 ? -1 : n < 0 && mg_sock_would_block() ? 0 : n;

From 2430cc5aace3b716f5edee72ba2593c8e8e9b665 Mon Sep 17 00:00:00 2001
From: Alex Alashkin <alex.gremlin@outlook.com>
Date: Fri, 22 Oct 2021 12:57:15 +0300
Subject: [PATCH 5/8] Add more NXP examples and move them to nxp folder

---
 .github/workflows/test.yml                    | 104 +++++++++++++++++-
 .../nxp-evkbimxrt1050-lwip-freertos/Makefile  |   9 ++
 .../nxp-evkmimxrt1020-lwip-freertos/Makefile  |   9 ++
 .../nxp-evkmimxrt1024-lwip-freertos/Makefile  |   9 ++
 .../nxp-evkmimxrt1060-lwip-freertos/Makefile  |   9 ++
 .../nxp-evkmimxrt1064-lwip-freertos/Makefile  |   9 ++
 .../Makefile                                  |   9 ++
 .../Makefile                                  |   9 ++
 .../Makefile                                  |   9 ++
 .../nxp/nxp-frdmk64f-lwip-freertos/Makefile   |   9 ++
 .../{ => nxp}/nxp-frdmk66f-freertos/Makefile  |   2 +-
 .../nxp/nxp-frdmk66f-lwip-freertos/Makefile   |   9 ++
 .../Makefile                                  |   9 ++
 .../Makefile                                  |   9 ++
 .../Makefile                                  |   9 ++
 .../Makefile                                  |   9 ++
 .../nxp-lpcxpresso54s018m-freertos/Makefile   |   2 +-
 .../nxp-mimxrt1020-azurertos/Makefile         |   2 +-
 .../nxp-mimxrt1020-freertos/Makefile          |   2 +-
 .../nxp-twrk65f180m-lwip-freertos/Makefile    |   9 ++
 .../nxp-twrkv58f220m-lwip-freertos/Makefile   |   9 ++
 21 files changed, 248 insertions(+), 8 deletions(-)
 create mode 100644 examples/nxp/nxp-evkbimxrt1050-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-evkmimxrt1020-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-evkmimxrt1024-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-evkmimxrt1060-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-evkmimxrt1064-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-evkmimxrt1160-cm7-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-evkmimxrt1170-cm4-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-evkmimxrt1170-cm7-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-frdmk64f-lwip-freertos/Makefile
 rename examples/{ => nxp}/nxp-frdmk66f-freertos/Makefile (76%)
 create mode 100644 examples/nxp/nxp-frdmk66f-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-lpcxpresso54018-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-lpcxpresso54608-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-lpcxpresso54618-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-lpcxpresso54628-lwip-freertos/Makefile
 rename examples/{ => nxp}/nxp-lpcxpresso54s018m-freertos/Makefile (76%)
 rename examples/{ => nxp}/nxp-mimxrt1020-azurertos/Makefile (76%)
 rename examples/{ => nxp}/nxp-mimxrt1020-freertos/Makefile (76%)
 create mode 100644 examples/nxp/nxp-twrk65f180m-lwip-freertos/Makefile
 create mode 100644 examples/nxp/nxp-twrkv58f220m-lwip-freertos/Makefile

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 65515979..20c4bfbf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -92,22 +92,118 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: nxp-mimxrt1020-azurertos
-      run: make -C examples/nxp-mimxrt1020-azurertos build
+      run: make -C examples/nxp/nxp-mimxrt1020-azurertos build
   nxp-frdmk66f-freertos:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
     - name: nxp-frdmk66f-freertos
-      run: make -C examples/nxp-frdmk66f-freertos build
+      run: make -C examples/nxp/nxp-frdmk66f-freertos build
   nxp-lpcxpresso54s018m-freertos:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
     - name: nxp-lpcxpresso54s018m-freertos
-      run: make -C examples/nxp-lpcxpresso54s018m-freertos build
+      run: make -C examples/nxp/nxp-lpcxpresso54s018m-freertos build
   nxp-mimxrt1020-freertos:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
     - name: nxp-mimxrt1020-freertos
-      run: make -C examples/nxp-mimxrt1020-freertos build
\ No newline at end of file
+      run: make -C examples/nxp/nxp-mimxrt1020-freertos build
+  nxp-evkbimxrt1050-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-evkbimxrt1050-lwip-freertos
+      run: make -C examples/nxp/nxp-evkbimxrt1050-lwip-freertos build
+  nxp-evkmimxrt1020-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-evkmimxrt1020-lwip-freertos
+      run: make -C examples/nxp/nxp-evkmimxrt1020-lwip-freertos build
+  nxp-evkmimxrt1024-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-evkmimxrt1024-lwip-freertos
+      run: make -C examples/nxp/nxp-evkmimxrt1024-lwip-freertos build
+  nxp-evkmimxrt1060-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-evkmimxrt1060-lwip-freertos
+      run: make -C examples/nxp/nxp-evkmimxrt1060-lwip-freertos build
+  nxp-evkmimxrt1064-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-evkmimxrt1064-lwip-freertos
+      run: make -C examples/nxp/nxp-evkmimxrt1064-lwip-freertos build
+  nxp-evkmimxrt1160-cm7-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-evkmimxrt1160-cm7-lwip-freertos
+      run: make -C examples/nxp/nxp-evkmimxrt1160-cm7-lwip-freertos build
+  nxp-evkmimxrt1170-cm4-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-evkmimxrt1170-cm4-lwip-freertos
+      run: make -C examples/nxp/nxp-evkmimxrt1170-cm4-lwip-freertos build
+  nxp-evkmimxrt1170-cm7-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-evkmimxrt1170-cm7-lwip-freertos
+      run: make -C examples/nxp/nxp-evkmimxrt1170-cm7-lwip-freertos build
+  nxp-frdmk64f-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-frdmk64f-lwip-freertos
+      run: make -C examples/nxp/nxp-frdmk64f-lwip-freertos build
+  nxp-frdmk66f-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-frdmk66f-lwip-freertos
+      run: make -C examples/nxp/nxp-frdmk66f-lwip-freertos build
+  nxp-lpcxpresso54018-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-lpcxpresso54018-lwip-freertos
+      run: make -C examples/nxp/nxp-lpcxpresso54018-lwip-freertos build
+  nxp-lpcxpresso54608-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-lpcxpresso54608-lwip-freertos
+      run: make -C examples/nxp/nxp-lpcxpresso54608-lwip-freertos build
+  nxp-lpcxpresso54618-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-lpcxpresso54618-lwip-freertos
+      run: make -C examples/nxp/nxp-lpcxpresso54618-lwip-freertos build
+  nxp-lpcxpresso54628-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-lpcxpresso54628-lwip-freertos
+      run: make -C examples/nxp/nxp-lpcxpresso54628-lwip-freertos build
+  nxp-twrk65f180m-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-twrk65f180m-lwip-freertos
+      run: make -C examples/nxp/nxp-twrk65f180m-lwip-freertos build
+  nxp-twrkv58f220m-lwip-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-twrkv58f220m-lwip-freertos
+      run: make -C examples/nxp/nxp-twrkv58f220m-lwip-freertos build
\ No newline at end of file
diff --git a/examples/nxp/nxp-evkbimxrt1050-lwip-freertos/Makefile b/examples/nxp/nxp-evkbimxrt1050-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-evkbimxrt1050-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-evkmimxrt1020-lwip-freertos/Makefile b/examples/nxp/nxp-evkmimxrt1020-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-evkmimxrt1020-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-evkmimxrt1024-lwip-freertos/Makefile b/examples/nxp/nxp-evkmimxrt1024-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-evkmimxrt1024-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-evkmimxrt1060-lwip-freertos/Makefile b/examples/nxp/nxp-evkmimxrt1060-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-evkmimxrt1060-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-evkmimxrt1064-lwip-freertos/Makefile b/examples/nxp/nxp-evkmimxrt1064-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-evkmimxrt1064-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-evkmimxrt1160-cm7-lwip-freertos/Makefile b/examples/nxp/nxp-evkmimxrt1160-cm7-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-evkmimxrt1160-cm7-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-evkmimxrt1170-cm4-lwip-freertos/Makefile b/examples/nxp/nxp-evkmimxrt1170-cm4-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-evkmimxrt1170-cm4-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-evkmimxrt1170-cm7-lwip-freertos/Makefile b/examples/nxp/nxp-evkmimxrt1170-cm7-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-evkmimxrt1170-cm7-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-frdmk64f-lwip-freertos/Makefile b/examples/nxp/nxp-frdmk64f-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-frdmk64f-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp-frdmk66f-freertos/Makefile b/examples/nxp/nxp-frdmk66f-freertos/Makefile
similarity index 76%
rename from examples/nxp-frdmk66f-freertos/Makefile
rename to examples/nxp/nxp-frdmk66f-freertos/Makefile
index 1400540e..59bc811c 100644
--- a/examples/nxp-frdmk66f-freertos/Makefile
+++ b/examples/nxp/nxp-frdmk66f-freertos/Makefile
@@ -2,7 +2,7 @@ NAME ?= $(notdir $(CURDIR))
 
 build:
 	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
-	cp ./../../mongoose.[ch] $(NAME)/source/
+	cp ./../../../mongoose.[ch] $(NAME)/source/
 	make -C $(NAME) build
 
 clean:
diff --git a/examples/nxp/nxp-frdmk66f-lwip-freertos/Makefile b/examples/nxp/nxp-frdmk66f-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-frdmk66f-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-lpcxpresso54018-lwip-freertos/Makefile b/examples/nxp/nxp-lpcxpresso54018-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-lpcxpresso54018-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-lpcxpresso54608-lwip-freertos/Makefile b/examples/nxp/nxp-lpcxpresso54608-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-lpcxpresso54608-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-lpcxpresso54618-lwip-freertos/Makefile b/examples/nxp/nxp-lpcxpresso54618-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-lpcxpresso54618-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-lpcxpresso54628-lwip-freertos/Makefile b/examples/nxp/nxp-lpcxpresso54628-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-lpcxpresso54628-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp-lpcxpresso54s018m-freertos/Makefile b/examples/nxp/nxp-lpcxpresso54s018m-freertos/Makefile
similarity index 76%
rename from examples/nxp-lpcxpresso54s018m-freertos/Makefile
rename to examples/nxp/nxp-lpcxpresso54s018m-freertos/Makefile
index 1400540e..59bc811c 100644
--- a/examples/nxp-lpcxpresso54s018m-freertos/Makefile
+++ b/examples/nxp/nxp-lpcxpresso54s018m-freertos/Makefile
@@ -2,7 +2,7 @@ NAME ?= $(notdir $(CURDIR))
 
 build:
 	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
-	cp ./../../mongoose.[ch] $(NAME)/source/
+	cp ./../../../mongoose.[ch] $(NAME)/source/
 	make -C $(NAME) build
 
 clean:
diff --git a/examples/nxp-mimxrt1020-azurertos/Makefile b/examples/nxp/nxp-mimxrt1020-azurertos/Makefile
similarity index 76%
rename from examples/nxp-mimxrt1020-azurertos/Makefile
rename to examples/nxp/nxp-mimxrt1020-azurertos/Makefile
index 1400540e..59bc811c 100644
--- a/examples/nxp-mimxrt1020-azurertos/Makefile
+++ b/examples/nxp/nxp-mimxrt1020-azurertos/Makefile
@@ -2,7 +2,7 @@ NAME ?= $(notdir $(CURDIR))
 
 build:
 	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
-	cp ./../../mongoose.[ch] $(NAME)/source/
+	cp ./../../../mongoose.[ch] $(NAME)/source/
 	make -C $(NAME) build
 
 clean:
diff --git a/examples/nxp-mimxrt1020-freertos/Makefile b/examples/nxp/nxp-mimxrt1020-freertos/Makefile
similarity index 76%
rename from examples/nxp-mimxrt1020-freertos/Makefile
rename to examples/nxp/nxp-mimxrt1020-freertos/Makefile
index 1400540e..59bc811c 100644
--- a/examples/nxp-mimxrt1020-freertos/Makefile
+++ b/examples/nxp/nxp-mimxrt1020-freertos/Makefile
@@ -2,7 +2,7 @@ NAME ?= $(notdir $(CURDIR))
 
 build:
 	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
-	cp ./../../mongoose.[ch] $(NAME)/source/
+	cp ./../../../mongoose.[ch] $(NAME)/source/
 	make -C $(NAME) build
 
 clean:
diff --git a/examples/nxp/nxp-twrk65f180m-lwip-freertos/Makefile b/examples/nxp/nxp-twrk65f180m-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-twrk65f180m-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp/nxp-twrkv58f220m-lwip-freertos/Makefile b/examples/nxp/nxp-twrkv58f220m-lwip-freertos/Makefile
new file mode 100644
index 00000000..2cc7c5b1
--- /dev/null
+++ b/examples/nxp/nxp-twrkv58f220m-lwip-freertos/Makefile
@@ -0,0 +1,9 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	cp ./../../../mongoose.[ch] $(NAME)/mongoose/
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)

From 674299146952a7b993ce05362bca1589b7874224 Mon Sep 17 00:00:00 2001
From: Alex Alashkin <alex.gremlin@outlook.com>
Date: Fri, 22 Oct 2021 13:34:44 +0300
Subject: [PATCH 6/8] Move STM32 examples to stm32 folder

---
 .github/workflows/test.yml                    |  8 +++----
 .../HAL/Legacy/stm32_hal_legacy.h             |  0
 .../stm32-freertos-tcp/HAL/stm32f7xx_hal.c    |  0
 .../stm32-freertos-tcp/HAL/stm32f7xx_hal.h    |  0
 .../HAL/stm32f7xx_hal_conf.h                  |  0
 .../HAL/stm32f7xx_hal_cortex.c                |  0
 .../HAL/stm32f7xx_hal_cortex.h                |  0
 .../HAL/stm32f7xx_hal_def.h                   |  0
 .../HAL/stm32f7xx_hal_gpio.c                  |  0
 .../HAL/stm32f7xx_hal_gpio.h                  |  0
 .../HAL/stm32f7xx_hal_gpio_ex.h               |  0
 .../HAL/stm32f7xx_hal_rcc.h                   |  0
 .../HAL/stm32f7xx_hal_rcc_ex.h                |  0
 .../{ => stm32}/stm32-freertos-tcp/Makefile   | 22 +++++++++----------
 .../{ => stm32}/stm32-freertos-tcp/README.md  |  0
 .../{ => stm32}/stm32-freertos-tcp/main.c     |  0
 .../stm32-freertos-tcp/openocd.cfg            |  0
 .../stm32f7/FreeRTOSConfig.h                  |  0
 .../stm32f7/FreeRTOSIPConfig.h                |  0
 .../stm32-freertos-tcp/stm32f7/boot.s         |  0
 .../stm32-freertos-tcp/stm32f7/cmsis_gcc.h    |  0
 .../stm32-freertos-tcp/stm32f7/core_cm7.h     |  0
 .../stm32-freertos-tcp/stm32f7/core_cmFunc.h  |  0
 .../stm32-freertos-tcp/stm32f7/core_cmInstr.h |  0
 .../stm32-freertos-tcp/stm32f7/core_cmSimd.h  |  0
 .../stm32-freertos-tcp/stm32f7/device.h       |  0
 .../stm32-freertos-tcp/stm32f7/link.ld        |  0
 .../stm32-freertos-tcp/stm32f7/portmacro.h    |  0
 .../stm32-freertos-tcp/stm32f7/stm32f746xx.h  |  0
 .../stm32-freertos-tcp/stm32f7/stm32f7xx.h    |  0
 .../stm32f7/system_stm32f7xx.h                |  0
 .../{ => stm32}/stm32-nucleo-f429z/Makefile   |  2 +-
 .../{ => stm32}/stm32-nucleo-f746z/Makefile   |  2 +-
 .../{ => stm32}/stm32-nucleo-h743z/Makefile   |  2 +-
 34 files changed, 18 insertions(+), 18 deletions(-)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/Legacy/stm32_hal_legacy.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/stm32f7xx_hal.c (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/stm32f7xx_hal.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/stm32f7xx_hal_conf.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/stm32f7xx_hal_cortex.c (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/stm32f7xx_hal_cortex.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/stm32f7xx_hal_def.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio.c (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio_ex.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/stm32f7xx_hal_rcc.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/HAL/stm32f7xx_hal_rcc_ex.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/Makefile (85%)
 rename examples/{ => stm32}/stm32-freertos-tcp/README.md (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/main.c (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/openocd.cfg (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/FreeRTOSConfig.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/FreeRTOSIPConfig.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/boot.s (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/cmsis_gcc.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/core_cm7.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/core_cmFunc.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/core_cmInstr.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/core_cmSimd.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/device.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/link.ld (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/portmacro.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/stm32f746xx.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/stm32f7xx.h (100%)
 rename examples/{ => stm32}/stm32-freertos-tcp/stm32f7/system_stm32f7xx.h (100%)
 rename examples/{ => stm32}/stm32-nucleo-f429z/Makefile (67%)
 rename examples/{ => stm32}/stm32-nucleo-f746z/Makefile (67%)
 rename examples/{ => stm32}/stm32-nucleo-h743z/Makefile (67%)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 65515979..d9bdac66 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -68,25 +68,25 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: stm32-freertos-tcp
-      run: make -C examples/stm32-freertos-tcp build
+      run: make -C examples/stm32/stm32-freertos-tcp build
   stm32-nucleo-f746z:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
     - name: stm32-nucleo-f746z
-      run: make -C examples/stm32-nucleo-f746z build
+      run: make -C examples/stm32/stm32-nucleo-f746z build
   stm32-nucleo-f429z:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
     - name: stm32-nucleo-f429z
-      run: make -C examples/stm32-nucleo-f429z build
+      run: make -C examples/stm32/stm32-nucleo-f429z build
   stm32-nucleo-h743z:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
     - name: stm32-nucleo-h743z
-      run: make -C examples/stm32-nucleo-h743z build
+      run: make -C examples/stm32/stm32-nucleo-h743z build
   nxp-mimxrt1020-azurertos:
     runs-on: ubuntu-latest
     steps:
diff --git a/examples/stm32-freertos-tcp/HAL/Legacy/stm32_hal_legacy.h b/examples/stm32/stm32-freertos-tcp/HAL/Legacy/stm32_hal_legacy.h
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/Legacy/stm32_hal_legacy.h
rename to examples/stm32/stm32-freertos-tcp/HAL/Legacy/stm32_hal_legacy.h
diff --git a/examples/stm32-freertos-tcp/HAL/stm32f7xx_hal.c b/examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal.c
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/stm32f7xx_hal.c
rename to examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal.c
diff --git a/examples/stm32-freertos-tcp/HAL/stm32f7xx_hal.h b/examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal.h
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/stm32f7xx_hal.h
rename to examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal.h
diff --git a/examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_conf.h b/examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_conf.h
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_conf.h
rename to examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_conf.h
diff --git a/examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_cortex.c b/examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_cortex.c
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_cortex.c
rename to examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_cortex.c
diff --git a/examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_cortex.h b/examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_cortex.h
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_cortex.h
rename to examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_cortex.h
diff --git a/examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_def.h b/examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_def.h
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_def.h
rename to examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_def.h
diff --git a/examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio.c b/examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio.c
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio.c
rename to examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio.c
diff --git a/examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio.h b/examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio.h
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio.h
rename to examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio.h
diff --git a/examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio_ex.h b/examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio_ex.h
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio_ex.h
rename to examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_gpio_ex.h
diff --git a/examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_rcc.h b/examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_rcc.h
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_rcc.h
rename to examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_rcc.h
diff --git a/examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_rcc_ex.h b/examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_rcc_ex.h
similarity index 100%
rename from examples/stm32-freertos-tcp/HAL/stm32f7xx_hal_rcc_ex.h
rename to examples/stm32/stm32-freertos-tcp/HAL/stm32f7xx_hal_rcc_ex.h
diff --git a/examples/stm32-freertos-tcp/Makefile b/examples/stm32/stm32-freertos-tcp/Makefile
similarity index 85%
rename from examples/stm32-freertos-tcp/Makefile
rename to examples/stm32/stm32-freertos-tcp/Makefile
index 323a664f..5c08a57a 100644
--- a/examples/stm32-freertos-tcp/Makefile
+++ b/examples/stm32/stm32-freertos-tcp/Makefile
@@ -1,13 +1,13 @@
 # FreeRTOS/{FreeRTOS-Kernel V10.4.3,FreeRTOS-Plus-TCP V2.3.2}
 PROG = firmware
 ARCH = stm32f7
-PROJECT_ROOT_PATH = $(realpath $(CURDIR)/../..)
+PROJECT_ROOT_PATH = $(realpath $(CURDIR)/../../..)
 DOCKER ?= docker run --rm -v $(PROJECT_ROOT_PATH):$(PROJECT_ROOT_PATH) -w $(CURDIR) mdashnet/armgcc
 FREERTOS_KERNEL_PATH ?= $(PROJECT_ROOT_PATH)/test/freertos-kernel
 FREERTOS_PLUS_TCP_PATH ?= $(PROJECT_ROOT_PATH)/test/freertos-tcp
 
 MONGOOSE_FLAGS = -DMG_ARCH=MG_ARCH_FREERTOS_TCP
-MCU_FLAGS = -mcpu=cortex-m7 -mthumb -mfloat-abi=softfp -mfpu=vfpv4 
+MCU_FLAGS = -mcpu=cortex-m7 -mthumb -mfloat-abi=softfp -mfpu=vfpv4
 #-mcpu=cortex-m7 -mthumb -mfpu=fpv5-sp-d16 -mfloat-abi=hard
 
 INCLUDES = -I$(PROJECT_ROOT_PATH) -I$(ARCH) -I$(FREERTOS_KERNEL_PATH)/include -I$(FREERTOS_PLUS_TCP_PATH)/include
@@ -36,19 +36,19 @@ SOURCES += $(FREERTOS_KERNEL_PATH)/portable/MemMang/heap_5.c
 SOURCES += $(FREERTOS_KERNEL_PATH)/portable/GCC/ARM_CM7/r0p1/port.c
 
 # FreeRTOS TCP stack sources
-SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_ARP.c 
-SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_DHCP.c 
-SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_DNS.c 
-SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_IP.c 
-SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_Sockets.c 
-SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_Stream_Buffer.c 
+SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_ARP.c
+SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_DHCP.c
+SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_DNS.c
+SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_IP.c
+SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_Sockets.c
+SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_Stream_Buffer.c
 SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_TCP_IP.c
-SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_TCP_WIN.c 
-SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_UDP_IP.c 
+SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_TCP_WIN.c
+SOURCES += $(FREERTOS_PLUS_TCP_PATH)/FreeRTOS_UDP_IP.c
 SOURCES += $(FREERTOS_PLUS_TCP_PATH)/portable/NetworkInterface/Common/phyHandling.c
 SOURCES += $(FREERTOS_PLUS_TCP_PATH)/portable/BufferManagement/BufferAllocation_1.c
 SOURCES += $(FREERTOS_PLUS_TCP_PATH)/portable/NetworkInterface/STM32Fxx/NetworkInterface.c
-SOURCES += $(FREERTOS_PLUS_TCP_PATH)/portable/NetworkInterface/STM32Fxx/stm32fxx_hal_eth.c 
+SOURCES += $(FREERTOS_PLUS_TCP_PATH)/portable/NetworkInterface/STM32Fxx/stm32fxx_hal_eth.c
 
 OBJECTS = obj/boot.o $(SOURCES:%.c=obj/%.o)
 
diff --git a/examples/stm32-freertos-tcp/README.md b/examples/stm32/stm32-freertos-tcp/README.md
similarity index 100%
rename from examples/stm32-freertos-tcp/README.md
rename to examples/stm32/stm32-freertos-tcp/README.md
diff --git a/examples/stm32-freertos-tcp/main.c b/examples/stm32/stm32-freertos-tcp/main.c
similarity index 100%
rename from examples/stm32-freertos-tcp/main.c
rename to examples/stm32/stm32-freertos-tcp/main.c
diff --git a/examples/stm32-freertos-tcp/openocd.cfg b/examples/stm32/stm32-freertos-tcp/openocd.cfg
similarity index 100%
rename from examples/stm32-freertos-tcp/openocd.cfg
rename to examples/stm32/stm32-freertos-tcp/openocd.cfg
diff --git a/examples/stm32-freertos-tcp/stm32f7/FreeRTOSConfig.h b/examples/stm32/stm32-freertos-tcp/stm32f7/FreeRTOSConfig.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/FreeRTOSConfig.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/FreeRTOSConfig.h
diff --git a/examples/stm32-freertos-tcp/stm32f7/FreeRTOSIPConfig.h b/examples/stm32/stm32-freertos-tcp/stm32f7/FreeRTOSIPConfig.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/FreeRTOSIPConfig.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/FreeRTOSIPConfig.h
diff --git a/examples/stm32-freertos-tcp/stm32f7/boot.s b/examples/stm32/stm32-freertos-tcp/stm32f7/boot.s
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/boot.s
rename to examples/stm32/stm32-freertos-tcp/stm32f7/boot.s
diff --git a/examples/stm32-freertos-tcp/stm32f7/cmsis_gcc.h b/examples/stm32/stm32-freertos-tcp/stm32f7/cmsis_gcc.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/cmsis_gcc.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/cmsis_gcc.h
diff --git a/examples/stm32-freertos-tcp/stm32f7/core_cm7.h b/examples/stm32/stm32-freertos-tcp/stm32f7/core_cm7.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/core_cm7.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/core_cm7.h
diff --git a/examples/stm32-freertos-tcp/stm32f7/core_cmFunc.h b/examples/stm32/stm32-freertos-tcp/stm32f7/core_cmFunc.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/core_cmFunc.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/core_cmFunc.h
diff --git a/examples/stm32-freertos-tcp/stm32f7/core_cmInstr.h b/examples/stm32/stm32-freertos-tcp/stm32f7/core_cmInstr.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/core_cmInstr.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/core_cmInstr.h
diff --git a/examples/stm32-freertos-tcp/stm32f7/core_cmSimd.h b/examples/stm32/stm32-freertos-tcp/stm32f7/core_cmSimd.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/core_cmSimd.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/core_cmSimd.h
diff --git a/examples/stm32-freertos-tcp/stm32f7/device.h b/examples/stm32/stm32-freertos-tcp/stm32f7/device.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/device.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/device.h
diff --git a/examples/stm32-freertos-tcp/stm32f7/link.ld b/examples/stm32/stm32-freertos-tcp/stm32f7/link.ld
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/link.ld
rename to examples/stm32/stm32-freertos-tcp/stm32f7/link.ld
diff --git a/examples/stm32-freertos-tcp/stm32f7/portmacro.h b/examples/stm32/stm32-freertos-tcp/stm32f7/portmacro.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/portmacro.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/portmacro.h
diff --git a/examples/stm32-freertos-tcp/stm32f7/stm32f746xx.h b/examples/stm32/stm32-freertos-tcp/stm32f7/stm32f746xx.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/stm32f746xx.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/stm32f746xx.h
diff --git a/examples/stm32-freertos-tcp/stm32f7/stm32f7xx.h b/examples/stm32/stm32-freertos-tcp/stm32f7/stm32f7xx.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/stm32f7xx.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/stm32f7xx.h
diff --git a/examples/stm32-freertos-tcp/stm32f7/system_stm32f7xx.h b/examples/stm32/stm32-freertos-tcp/stm32f7/system_stm32f7xx.h
similarity index 100%
rename from examples/stm32-freertos-tcp/stm32f7/system_stm32f7xx.h
rename to examples/stm32/stm32-freertos-tcp/stm32f7/system_stm32f7xx.h
diff --git a/examples/stm32-nucleo-f429z/Makefile b/examples/stm32/stm32-nucleo-f429z/Makefile
similarity index 67%
rename from examples/stm32-nucleo-f429z/Makefile
rename to examples/stm32/stm32-nucleo-f429z/Makefile
index fe9aa4ed..92b4174e 100644
--- a/examples/stm32-nucleo-f429z/Makefile
+++ b/examples/stm32/stm32-nucleo-f429z/Makefile
@@ -2,7 +2,7 @@ NAME ?= $(notdir $(CURDIR))
 
 build:
 	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
-	cp ./../../mongoose.[ch] $(NAME)/Middlewares/Third_Party/Mongoose/
+	cp ./../../../mongoose.[ch] $(NAME)/Middlewares/Third_Party/Mongoose/
 	make -C $(NAME) build
 
 clean:
diff --git a/examples/stm32-nucleo-f746z/Makefile b/examples/stm32/stm32-nucleo-f746z/Makefile
similarity index 67%
rename from examples/stm32-nucleo-f746z/Makefile
rename to examples/stm32/stm32-nucleo-f746z/Makefile
index fe9aa4ed..92b4174e 100644
--- a/examples/stm32-nucleo-f746z/Makefile
+++ b/examples/stm32/stm32-nucleo-f746z/Makefile
@@ -2,7 +2,7 @@ NAME ?= $(notdir $(CURDIR))
 
 build:
 	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
-	cp ./../../mongoose.[ch] $(NAME)/Middlewares/Third_Party/Mongoose/
+	cp ./../../../mongoose.[ch] $(NAME)/Middlewares/Third_Party/Mongoose/
 	make -C $(NAME) build
 
 clean:
diff --git a/examples/stm32-nucleo-h743z/Makefile b/examples/stm32/stm32-nucleo-h743z/Makefile
similarity index 67%
rename from examples/stm32-nucleo-h743z/Makefile
rename to examples/stm32/stm32-nucleo-h743z/Makefile
index fe9aa4ed..92b4174e 100644
--- a/examples/stm32-nucleo-h743z/Makefile
+++ b/examples/stm32/stm32-nucleo-h743z/Makefile
@@ -2,7 +2,7 @@ NAME ?= $(notdir $(CURDIR))
 
 build:
 	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
-	cp ./../../mongoose.[ch] $(NAME)/Middlewares/Third_Party/Mongoose/
+	cp ./../../../mongoose.[ch] $(NAME)/Middlewares/Third_Party/Mongoose/
 	make -C $(NAME) build
 
 clean:

From 65fd834654aa29f910e3e677f3efd80f6f5cd7d9 Mon Sep 17 00:00:00 2001
From: Sergey Lyubka <valenok@gmail.com>
Date: Fri, 22 Oct 2021 13:58:51 +0100
Subject: [PATCH 7/8] Increate mqtt test timeout

---
 mongoose.c       | 1 +
 test/unit_test.c | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/mongoose.c b/mongoose.c
index d7a51082..38bebb6e 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -25,6 +25,7 @@ void mg_connect_resolved(struct mg_connection *);
 #ifdef MG_ENABLE_LINES
 #line 1 "src/base64.c"
 #endif
+
 #include <string.h>
 
 static int mg_b64idx(int c) {
diff --git a/test/unit_test.c b/test/unit_test.c
index 42391149..9e5f26d8 100644
--- a/test/unit_test.c
+++ b/test/unit_test.c
@@ -340,11 +340,11 @@ static void test_mqtt(void) {
   opts.will_topic = mg_str("mg_will_topic");
   opts.will_message = mg_str("mg_will_messsage");
   c = mg_mqtt_connect(&mgr, url, &opts, mqtt_cb, buf);
-  for (i = 0; i < 100 && buf[0] == 0; i++) mg_mgr_poll(&mgr, 10);
+  for (i = 0; i < 200 && buf[0] == 0; i++) mg_mgr_poll(&mgr, 10);
   ASSERT(buf[0] == 'X');
   mg_mqtt_sub(c, &topic, 1);
   mg_mqtt_pub(c, &topic, &data, 1, false);
-  for (i = 0; i < 100 && buf[1] == 0; i++) mg_mgr_poll(&mgr, 10);
+  for (i = 0; i < 200 && buf[1] == 0; i++) mg_mgr_poll(&mgr, 10);
   ASSERT(strcmp(buf, "Xx/f12/hi") == 0);
 
   mg_mgr_free(&mgr);

From fb90c504a695719d9eb097a31988c88fb0700b39 Mon Sep 17 00:00:00 2001
From: Sergey Lyubka <valenok@gmail.com>
Date: Fri, 22 Oct 2021 14:00:31 +0100
Subject: [PATCH 8/8] Remove private.h

---
 Makefile      | 2 +-
 mongoose.c    | 5 -----
 mongoose.h    | 1 +
 src/net.h     | 1 +
 src/private.h | 1 -
 5 files changed, 3 insertions(+), 7 deletions(-)
 delete mode 100644 src/private.h

diff --git a/Makefile b/Makefile
index fee95c02..6a06ec33 100644
--- a/Makefile
+++ b/Makefile
@@ -122,7 +122,7 @@ uninstall:
 	rm -rf $(DESTDIR)$(PREFIX)/lib/libmongoose.a $(DESTDIR)$(PREFIX)/lib/libmongoose.so.$(VERSION) $(DESTDIR)$(PREFIX)/include/mongoose.h $(DESTDIR)$(PREFIX)/lib/libmongoose.so
 
 mongoose.c: Makefile $(wildcard src/*)
-	(cat src/license.h; echo; echo '#include "mongoose.h"' ; (for F in src/private.h src/*.c ; do echo; echo '#ifdef MG_ENABLE_LINES'; echo "#line 1 \"$$F\""; echo '#endif'; cat $$F | sed -e 's,#include ".*,,'; done))> $@
+	(cat src/license.h; echo; echo '#include "mongoose.h"' ; (for F in src/*.c ; do echo; echo '#ifdef MG_ENABLE_LINES'; echo "#line 1 \"$$F\""; echo '#endif'; cat $$F | sed -e 's,#include ".*,,'; done))> $@
 
 mongoose.h: $(HDRS) Makefile
 	(cat src/license.h; echo; echo '#ifndef MONGOOSE_H'; echo '#define MONGOOSE_H'; echo; cat src/version.h ; echo; echo '#ifdef __cplusplus'; echo 'extern "C" {'; echo '#endif'; cat src/config.h src/arch.h src/arch_*.h src/str.h src/log.h src/timer.h src/util.h src/fs.h src/url.h src/iobuf.h src/base64.h src/md5.h src/sha1.h src/event.h src/net.h src/http.h src/ssi.h src/tls.h src/ws.h src/sntp.h src/mqtt.h src/dns.h | sed -e 's,#include ".*,,' -e 's,^#pragma once,,'; echo; echo '#ifdef __cplusplus'; echo '}'; echo '#endif'; echo '#endif  // MONGOOSE_H')> $@
diff --git a/mongoose.c b/mongoose.c
index 38bebb6e..4b18ad6b 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -17,11 +17,6 @@
 
 #include "mongoose.h"
 
-#ifdef MG_ENABLE_LINES
-#line 1 "src/private.h"
-#endif
-void mg_connect_resolved(struct mg_connection *);
-
 #ifdef MG_ENABLE_LINES
 #line 1 "src/base64.c"
 #endif
diff --git a/mongoose.h b/mongoose.h
index c3be53d3..8a73373d 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -819,6 +819,7 @@ struct mg_connection *mg_listen(struct mg_mgr *, const char *url,
                                 mg_event_handler_t fn, void *fn_data);
 struct mg_connection *mg_connect(struct mg_mgr *, const char *url,
                                  mg_event_handler_t fn, void *fn_data);
+void mg_connect_resolved(struct mg_connection *);
 bool mg_send(struct mg_connection *, const void *, size_t);
 int mg_printf(struct mg_connection *, const char *fmt, ...);
 int mg_vprintf(struct mg_connection *, const char *fmt, va_list ap);
diff --git a/src/net.h b/src/net.h
index 0950db9c..527bf78d 100644
--- a/src/net.h
+++ b/src/net.h
@@ -67,6 +67,7 @@ struct mg_connection *mg_listen(struct mg_mgr *, const char *url,
                                 mg_event_handler_t fn, void *fn_data);
 struct mg_connection *mg_connect(struct mg_mgr *, const char *url,
                                  mg_event_handler_t fn, void *fn_data);
+void mg_connect_resolved(struct mg_connection *);
 bool mg_send(struct mg_connection *, const void *, size_t);
 int mg_printf(struct mg_connection *, const char *fmt, ...);
 int mg_vprintf(struct mg_connection *, const char *fmt, va_list ap);
diff --git a/src/private.h b/src/private.h
deleted file mode 100644
index eeb40939..00000000
--- a/src/private.h
+++ /dev/null
@@ -1 +0,0 @@
-void mg_connect_resolved(struct mg_connection *);