Merge branch 'bugfix/fix_http_head_request_v4.4' into 'release/v4.4'

esp_http_client: Fix HEAD request will affect the all next HTTP requests unless we close the HTTP request(backport v4.4)

See merge request espressif/esp-idf!15715

components/esp_http_client/esp_http_client.c

@@ -251,6 +251,13 @@ static int http_on_headers_complete(http_parser *parser)
     client->response->data_process = 0;
     ESP_LOGD(TAG, "http_on_headers_complete, status=%d, offset=%d, nread=%d", parser->status_code, client->response->data_offset, parser->nread);
     client->state = HTTP_STATE_RES_COMPLETE_HEADER;
+    if (client->connection_info.method == HTTP_METHOD_HEAD) {
+        /* In a HTTP_RESPONSE parser returning '1' from on_headers_complete will tell the
+           parser that it should not expect a body. This is used when receiving a response
+           to a HEAD request which may contain 'Content-Length' or 'Transfer-Encoding: chunked'
+           headers that indicate the presence of a body.*/
+        return 1;
+    }
     return 0;
 }
 

docs/doxygen/Doxyfile

@@ -241,6 +241,7 @@ MACRO_EXPANSION        = YES
 EXPAND_ONLY_PREDEF     = YES
 PREDEFINED             = \
     $(ENV_DOXYGEN_DEFINES) \
+    __DOXYGEN__=1 \
     __attribute__(x)= \
 	_Static_assert()= \
     IDF_DEPRECATED(X)= \