feat(esp_http_client): Add function to delete all headers set by 'esp_http_client_set_header'

Author: DCSBL

components/esp_http_client/esp_http_client.c

@@ -369,6 +369,11 @@ esp_err_t esp_http_client_delete_header(esp_http_client_handle_t client, const c
     return http_header_delete(client->request->headers, key);
 }
 
+esp_err_t esp_http_client_delete_headers(esp_http_client_handle_t client)
+{
+    return http_header_clean(client->request->headers);
+}
+
 esp_err_t esp_http_client_get_username(esp_http_client_handle_t client, char **value)
 {
     if (client == NULL || value == NULL) {

components/esp_http_client/include/esp_http_client.h

@@ -487,6 +487,17 @@ esp_err_t esp_http_client_set_timeout_ms(esp_http_client_handle_t client, int ti
  */
 esp_err_t esp_http_client_delete_header(esp_http_client_handle_t client, const char *key);
 
+/**
+ * @brief      Delete all http request headers
+ *
+ * @param[in]  client  The esp_http_client handle
+ *
+ * @return
+ *  - ESP_OK
+ *  - ESP_FAIL
+ */
+esp_err_t esp_http_client_delete_headers(esp_http_client_handle_t client);
+
 /**
  * @brief      This function will be open the connection, write all header strings and return
  *