1.SD卡删除空文件夹

code/application/source/sf_app/code/source/storeMng/sf_storeMng.c

@@ -669,6 +669,34 @@ static void trave_file(char* path)
 
     return;
 }
+int sf_is_directory_empty(const char *path)
+{
+    DIR *dir = opendir(path);
+
+    if (dir == NULL) {
+        MLOGE("Error opening directory");
+        return -1;
+    }
+
+    struct dirent *entry;
+    int count = 0;
+
+    while ((entry = readdir(dir)) != NULL) {
+
+        if (strcmp(entry->d_name, ".") != 0 && strcmp(entry->d_name, "..") != 0) {
+            count++;
+            break;
+        }
+    }
+
+    closedir(dir);
+
+    if (count == 0) {
+        return 1;
+    } else {
+        return 0;
+    }
+}
 
 int sf_dcf_resort_min(void)
 {
@@ -706,6 +734,13 @@ int sf_dcf_resort_min(void)
             MLOGD("DirKey:%d,FileKey:%d\n", gLastDirKey, gLastFileKey);
             if(gLastFileKey <= MAX_DCF_FILE_NUM)
             {
+                sprintf(sTmp,"%s/%d%s",sRootPath,gLastDirKey,DCF_DIR_NAME);
+                if(sf_is_directory_empty(sTmp))
+                {
+                    MLOGD("Will Delete Dir:%s\n", sTmp);
+                    remove(sTmp);
+                    system("sync");
+                }
                 gLastDirKey = i;
                 MLOGD("DirKey:%d,FileKey:%d\n", gLastDirKey, gLastFileKey);
                 return 0;