文件夹拷贝（linux c 递归）

最新推荐文章于 2023-04-30 11:46:30 发布

honty

最新推荐文章于 2023-04-30 11:46:30 发布

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分类专栏： C 文章标签： linux null c file struct

本文链接：https://blog.youkuaiyun.com/honty/article/details/7828005

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int cpdir(char * fromdir, char * todir)
{
    char fBuf[256];
    char tBuf[256];
    FILE *fromfile = NULL;
    FILE *tofile = NULL;
    DIR * dir = NULL;
    struct dirent *ptr;
    int ret = 0;
    dir = opendir(fromdir);
    if(NULL == dir)
    {
        return -1;
    }
    mkdir(todir, 0755);
    while((ptr = readdir(dir)) != NULL)
    {
        ret = strcmp(ptr->d_name, ".");
        if(0 == ret)
        {
            continue;
        }
        ret = strcmp(ptr->d_name, "..");
        if(0 == ret)
        {
            continue;
        }
        snprintf(fBuf, 256, "%s/%s", fromdir, ptr->d_name);
        snprintf(tBuf, 256, "%s/%s", todir, ptr->d_name);
        ret = is_dir(fBuf);
        if(0 == ret)
        {
            ret = cpdir(fBuf, tBuf);
            if(0 != ret)
            {
                return -1;
            }
        }
        else if(1 == ret)
        {
            fromfile = fopen(fBuf, "r+b");
            if(NULL == fromfile)
            {
                return -1;
            }
            tofile = fopen(tBuf, "w+b");
            if(NULL == tofile)
            {
                return -1;
            }
            cpfile(fromfile, tofile);
            fclose(fromfile);
            fclose(tofile);
        }
    }
}