linux c 遍历目录及文件

#include <dirent.h>
void recovery_backend()

{

    DIR  * pdir ;

    struct dirent * pdirent;

    struct stat f_ftime;

    char full_path[PATH_MAX] = {};

    char buf[PATH_MAX] = {};

    char cmd[] = {};

    pdir = opendir(cups_backend);

    if(pdir == NULL)

        return ;

    for(pdirent = readdir(pdir);pdirent != NULL;pdirent = readdir(pdir))

    {

        if(strcmp(pdirent->d_name,".")==||strcmp(pdirent->d_name,"..")==) continue;

        memset(full_path,,sizeof(full_path));

        snprintf(full_path,sizeof(full_path),"%s%s",cups_backend,pdirent->d_name);

        if(stat(full_path,&f_ftime) != )

            if(S_ISDIR(f_ftime.st_mode)) continue; /*子目录跳过*/

        if(f_ftime.st_mode & S_IFDIR) continue;

        memset(buf,,sizeof(buf));

        readlink(full_path,buf,sizeof(buf));

        if(strcmp(full_hook_backend,buf) == )

        {

            remove(full_path);

            memset(cmd,,sizeof(cmd));

            snprintf(cmd,sizeof(cmd),"cp -P %s%s %s",bk_backend,pdirent->d_name,cups_backend);

            system(cmd);

        }

    }

    closedir(pdir);

}

遍历目录

void CConfigfile::GerConfigFile(const char *strpath)

{

    char dir[MAX_PATH] = {0};

    char childpath[MAX_PATH] = {0};

    DIR *dp;                      // 定义子目录流指针

    struct dirent *entry;         // 定义dirent结构指针保存后续目录

    struct stat statbuf;          // 定义statbuf结构保存文件属性

    strcpy(dir, strpath);

    if((dp = opendir(dir)) == NULL) // 打开目录，获取子目录流指针，判断操作是否成功

    {

        puts("can't open dir.");

        return;

    }

    //chdir (dir);                     // 切换到当前目录

    while((entry = readdir(dp)) != NULL)  // 获取下一级目录信息，如果未否则循环

    {

        lstat(entry->d_name, &statbuf); // 获取下一级成员属性

        if(S_IFDIR &statbuf.st_mode)    // 判断下一级成员是否是目录

        {

            if (strcmp(".", entry->d_name) == 0 || strcmp("..", entry->d_name) == 0)

              continue;

            sprintf(childpath,"%s/%s",strpath,entry->d_name);

            printf("path:%s\n",childpath);

            GerConfigFile(childpath);

            //printf("%*s%s/\n", depth, "", entry->d_name);  // 输出目录名称

            //scan_dir(entry->d_name, depth+4);              // 递归调用自身，扫描下一级目录的内容

        }

        else

        {

        }

            //printf("%*s%s\n", depth, "", entry->d_name);  // 输出属性不是目录的成员

    }

    //chdir("..");                                                  // 回到上级目录

    closedir(dp);                                                 // 关闭子目录流

    return;

}