c_cpp ç遍历文件夹.C

Posted 2021-05-14

//遍历目录,返回值需外部释放掉空间
char * recursiondir(char* dir)
{

    char *file_path_and_name;
    char *file_path_getcwd;

    file_path_getcwd = (char *)malloc(sizeof(char)*200);
    file_path_and_name = (char *)malloc(sizeof(char)*200);
    memset(file_path_getcwd,0, sizeof(char)*200);
    memset(file_path_and_name,0, sizeof(char)*200);

    DIR *dp;
    if( (dp = opendir(dir))  == NULL )
    {
        printf( "open directory: %s failed！\n", dir);
        return NULL;
    }
    chdir(dir);
    struct dirent *dirp;
    while(NULL != ( dirp = readdir(dp)))
    {
        struct stat statbuff;
        lstat(dirp->d_name, &statbuff);
        if(S_ISDIR(statbuff.st_mode))//?是目录->则递归/返回
        {
            if( strcmp(".", dirp->d_name) == 0 || strcmp("..", dirp->d_name) == 0 )
                continue;
            recursiondir(dirp->d_name);
        }
        else
        {


            if(dirp->d_name[0]=='.') continue;

            memset(file_path_getcwd,0, sizeof(char)*200);
            memset(file_path_and_name,0, sizeof(char)*200);

            getcwd(file_path_getcwd,200);

            sprintf(file_path_and_name,"%s/%s",file_path_getcwd, dirp->d_name);
//            printf("file_path_getcwd:%s,name:%s\n",file_path_getcwd,dirp->d_name);
//			  return buff;
//            function_path(file_path_and_name);//对路径进行处理时打开
//            function_file(dirp->d_name);//对文件进行处理时打开

        }//if
    }//while
    chdir("..");//跳转到上级。
    closedir(dp);
    free(file_path_and_name);
    return file_path_getcwd;
}