Fixed SEGFAULT in WebDav task sync + type changes (#16345)

Author: KiralyCraft

network/cloud_sync/webdav.c

@@ -449,7 +449,7 @@ static char *webdav_get_auth_header(const char *method, const char *url)
 
 static void webdav_log_http_failure(const char *path, http_transfer_data_t *data)
 {
-    int i;
+    size_t i;
     RARCH_WARN("webdav failed: %s: HTTP %d\n", path, data->status);
     for (i = 0; data->headers && i < data->headers->size; i++)
         RARCH_WARN("%s\n", data->headers->elems[i].data);
@@ -469,7 +469,7 @@ static void webdav_stat_cb(retro_task_t *task, void *task_data, void *user_data,
 
    if (data && data->status == 401 && data->headers && webdav_st->basic == true)
    {
-      int i;
+      size_t i;
       webdav_st->basic = false;
       for (i = 0; i < data->headers->size; i++)
       {

tasks/task_cloudsync.c

@@ -264,7 +264,7 @@ static bool task_cloud_sync_should_ignore_file(const char *filename)
 static void task_cloud_sync_manifest_append_dir(file_list_t *manifest,
       const char *dir_fullpath, char *dir_name)
 {
-   int i;
+   size_t i;
    struct string_list *dir_list;
    char                dir_fullpath_slash[PATH_MAX_LENGTH];
 
@@ -273,6 +273,12 @@ static void task_cloud_sync_manifest_append_dir(file_list_t *manifest,
 
    dir_list = dir_list_new(dir_fullpath_slash, NULL, false, true, true, true);
 
+   if (dir_list->size == 0)
+   {
+	   string_list_free(dir_list);
+	   return;
+   }
+
    file_list_reserve(manifest, manifest->size + dir_list->size);
    for (i = 0; i < dir_list->size; i++)
    {
@@ -318,7 +324,7 @@ static struct string_list *task_cloud_sync_directory_map(void)
 static void task_cloud_sync_build_current_manifest(task_cloud_sync_state_t *sync_state)
 {
    struct string_list *dirlist = task_cloud_sync_directory_map();
-   int i;
+   size_t i;
 
    if (!(sync_state->current_manifest = (file_list_t *)calloc(1, sizeof(file_list_t))))
    {
@@ -368,7 +374,10 @@ static void task_cloud_sync_update_progress(retro_task_t *task)
    if (sync_state->current_manifest)
       count += sync_state->current_manifest->size;
 
-   task_set_progress(task, (val * 100) / count);
+   if (count != 0)
+	   task_set_progress(task, (val * 100) / count);
+   else
+	   task_set_progress(task, 100);
 }
 
 static void task_cloud_sync_add_to_updated_manifest(task_cloud_sync_state_t *sync_state, const char *key, char *hash, bool server)
@@ -490,7 +499,7 @@ static void task_cloud_sync_fetch_server_file(task_cloud_sync_state_t *sync_stat
    char                directory[PATH_MAX_LENGTH];
    char                filename[PATH_MAX_LENGTH];
    settings_t         *settings = config_get_ptr();
-   int                 i;
+   size_t              i;
 
    /* we're just fetching a file the server has, we can update this now */
    task_cloud_sync_add_to_updated_manifest(sync_state, key, CS_FILE_HASH(server_file), true);