http2_client: add some function modifiers

Author: redchenjs

main/inc/tasks/http2_client.h

@@ -32,28 +32,28 @@ struct http2c_handle {
 typedef int (*http2c_frame_data_recv_cb_t)(struct http2c_handle *handle, const char *data, size_t len, int flags);
 typedef int (*http2c_putpost_data_cb_t)(struct http2c_handle *handle, char *data, size_t len, uint32_t *data_flags);
 
-int  http2_client_connect(struct http2c_handle *hd, const char *uri);
-void http2_client_free(struct http2c_handle *hd);
+extern int  http2_client_connect(struct http2c_handle *hd, const char *uri);
+extern void http2_client_free(struct http2c_handle *hd);
 
-int http2_client_do_get(struct http2c_handle *hd, const char *path, http2c_frame_data_recv_cb_t recv_cb);
-int http2_client_do_post(struct http2c_handle *hd, const char *path,
+extern int http2_client_do_get(struct http2c_handle *hd, const char *path, http2c_frame_data_recv_cb_t recv_cb);
+extern int http2_client_do_post(struct http2c_handle *hd, const char *path,
                    http2c_putpost_data_cb_t send_cb,
                    http2c_frame_data_recv_cb_t recv_cb);
-int http2_client_do_put(struct http2c_handle *hd, const char *path,
+extern int http2_client_do_put(struct http2c_handle *hd, const char *path,
                   http2c_putpost_data_cb_t send_cb,
                   http2c_frame_data_recv_cb_t recv_cb);
 
-int http2_client_execute(struct http2c_handle *hd);
+extern int http2_client_execute(struct http2c_handle *hd);
 
 #define HTTP2C_MAKE_NV(NAME, VALUE)                                    \
   {                                                                    \
     (uint8_t *)NAME, (uint8_t *)VALUE, strlen(NAME), strlen(VALUE),    \
         NGHTTP2_NV_FLAG_NONE                                           \
   }
 
-int http2_client_do_get_with_nv(struct http2c_handle *hd, const nghttp2_nv *nva, size_t nvlen, http2c_frame_data_recv_cb_t recv_cb);
-int http2_client_do_putpost_with_nv(struct http2c_handle *hd, const nghttp2_nv *nva, size_t nvlen,
-                              http2c_putpost_data_cb_t send_cb,
-                              http2c_frame_data_recv_cb_t recv_cb);
+extern int http2_client_do_get_with_nv(struct http2c_handle *hd, const nghttp2_nv *nva, size_t nvlen, http2c_frame_data_recv_cb_t recv_cb);
+extern int http2_client_do_putpost_with_nv(struct http2c_handle *hd, const nghttp2_nv *nva, size_t nvlen,
+                                            http2c_putpost_data_cb_t send_cb,
+                                            http2c_frame_data_recv_cb_t recv_cb);
 
 #endif /* INC_TASKS_HTTP2_CLIENT_H_ */

main/src/tasks/http2_client.c

@@ -108,7 +108,7 @@ static int http2_client_parse_uri(struct http2c_handle *hd, const char *uri)
     return 0;
 }
 
-int http2_client_connect_to_host(struct http2c_handle *hd)
+static int http2_client_connect_to_host(struct http2c_handle *hd)
 {
     int ret;
     struct addrinfo hints = {
@@ -263,7 +263,7 @@ static ssize_t nghttp2_callback_recv(nghttp2_session *session, uint8_t *buf,
     return rv;
 }
 
-char *nghttp2_frame_type_str(int type)
+static char *nghttp2_frame_type_str(int type)
 {
     switch (type) {
     case NGHTTP2_HEADERS:
@@ -535,4 +535,3 @@ int http2_client_do_put(struct http2c_handle *hd, const char *path,
                              };
     return http2_client_do_putpost_with_nv(hd, nva, sizeof(nva) / sizeof(nva[0]), send_cb, recv_cb);
 }
-