Reading a Directory's Contents including child directorys and files.

最新推荐文章于 2025-07-09 16:01:57 发布

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本文介绍了一个C语言程序，该程序可以递归地读取指定目录及其子目录下的所有文件和子目录的名称。通过使用标准库函数opendir()和readdir()实现。

Reading a Directory's Contents including child directorys and files.

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <dirent.h>

int read_dir(char * path){
   DIR * dir;
   struct dirent *entry;
   char tmppath[100] = {0};
   char childpath[100] = {0};
   strcpy(tmppath,path);

   if ((dir = opendir(tmppath)) == NULL ){
       perror("opendir");
       return -1;
   }

   while((entry = readdir(dir)) != NULL){
       if (strcmp(entry->d_name,".") != 0 && strcmp(entry->d_name,"..") != 0){

           strcpy(childpath,tmppath);
           if (tmppath[strlen(tmppath)-1] != '/') strcat(childpath,"/");
           strcat(childpath,entry->d_name);

             if (entry->d_type == DT_DIR){
                   read_dir(childpath);
           } else printf("%s/n",childpath);
       }
   }
   return 0;
}

int main(int argc, char * argv[]){
   read_dir("/home");
   return 0;
}