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clinuxubuntudirreaddir

Listing files in Directory in Ubuntu

I am trying to list files in the parent directory of the current directory, but when I try to execute this program from terminal I get Segmentation Error.. What am I doing wrong? Here is the code:

#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>

int main(int argc, char *argv[])
{
   struct dirent *dirpent;
   DIR *dirp;

   if(argc!=2)
   {
       printf("Cant continue with the program\n");
       return 0;
   }

   dirp= opendir(argv[1]);

   if(dirp)
   {
       while(dirpent=readdir(dirp) !=NULL)
           printf("%s\n",dirpent->d_name);

       closedir(dirp);
   }
   return 0;
}
Solution 
  • dirpent=readdir(dirp) !=NULL

    should be

    (dirpent = readdir(dirp)) != NULL

    Your current expression is parsed as dirpent = (readdir(dirp) != NULL), which will set dirpent to either 0 or 1.