Merge branch 'bugfix/http_literal_caseinsensitive' into 'master'

Compare case-insensitive URI schemes

See merge request idf/esp-idf!3558

components/esp-tls/esp_tls.c

@@ -488,9 +488,9 @@ static int get_port(const char *url, struct http_parser_url *u)
     if (u->field_data[UF_PORT].len) {
         return strtol(&url[u->field_data[UF_PORT].off], NULL, 10);
     } else {
-        if (strncmp(&url[u->field_data[UF_SCHEMA].off], "http", u->field_data[UF_SCHEMA].len) == 0) {
+        if (strncasecmp(&url[u->field_data[UF_SCHEMA].off], "http", u->field_data[UF_SCHEMA].len) == 0) {
             return 80;
-        } else if (strncmp(&url[u->field_data[UF_SCHEMA].off], "https", u->field_data[UF_SCHEMA].len) == 0) {
+        } else if (strncasecmp(&url[u->field_data[UF_SCHEMA].off], "https", u->field_data[UF_SCHEMA].len) == 0) {
             return 443;
         }
     }

components/esp_http_client/esp_http_client.c

@@ -1175,9 +1175,9 @@ bool esp_http_client_is_chunked_response(esp_http_client_handle_t client)
 
 esp_http_client_transport_t esp_http_client_get_transport_type(esp_http_client_handle_t client)
 {
-    if (!strcmp(client->connection_info.scheme, "https") ) {
+    if (!strcasecmp(client->connection_info.scheme, "https") ) {
         return HTTP_TRANSPORT_OVER_SSL;
-    } else if (!strcmp(client->connection_info.scheme, "http")) {
+    } else if (!strcasecmp(client->connection_info.scheme, "http")) {
         return HTTP_TRANSPORT_OVER_TCP;
     } else {
         return HTTP_TRANSPORT_UNKNOWN;