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List files problem

 
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ne0h



Joined: 21 Feb 2008
Posts: 386
PostPosted: Wed Mar 19, 2008 3:12 am    Post subject: List files problem Reply with quote
Excuse me, but i use this function to get the name of the files in a directory, but I don't wan't to read "." and "..", i've try this many times but
now for this function i haven't a functionally solutions!
Can anyone help me?
And if i want to print to screen only file .xxx?


Code:

int scandir(const char *dir, struct dirent ***namelist,
            int (*select)(const struct dirent *),
            int (*compar)(const struct dirent **, const struct dirent **))
{
  DIR *d;
  struct dirent *entry;
  register int i=0;
  size_t entrysize;

  if ((d=opendir(dir)) == NULL)
     return(-1);

  *namelist=NULL;
  while ((entry=readdir(d)) != NULL)
  {
    if (select == NULL || (select != NULL && (*select)(entry)))
    {
      *namelist=(struct dirent **)realloc((void *)(*namelist),
                 (size_t)((i+1)*sizeof(struct dirent *)));
   if (*namelist == NULL) return(-1);
   entrysize=sizeof(struct dirent)-sizeof(entry->d_name)+strlen(entry->d_name)+1;
   (*namelist)[i]=(struct dirent *)malloc(entrysize);
   if ((*namelist)[i] == NULL) return(-1);
   memcpy((*namelist)[i], entry, entrysize);
   i++;
    }
  }
  if (closedir(d)) return(-1);
  if (i == 0) return(-1);
  if (compar != NULL)
    qsort((void *)(*namelist), (size_t)i, sizeof(struct dirent *), compar);
   
  return(i);
}

Tanks in advance!

Last edited by ne0h on Thu Mar 20, 2008 3:57 am; edited 2 times in total
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ne0h



Joined: 21 Feb 2008
Posts: 386
PostPosted: Wed Mar 19, 2008 3:57 am    Post subject: Reply with quote
I've look here: http://www.cs.cf.ac.uk/Dave/C/node20.html
but not work, maybe i integrate this code in a bad mode!
Please, give me help...

Here is the code in main funciton:

Code:

struct dirent **namelist;
          char dir[100]="ms0:/MUSIC/Minutes to Midnight/";
          int b;
          int a=-1;
          int n;
          pspDebugScreenSetXY(0, 4);
          n = scandir(dir, &namelist, 0, alphasort);
          int file_select();
          b=n;
          if(n<0){
                   printf("Directory not found or error reading!");
                   }
          while(b--){
                      if(a!=n){     
                      a++;
                      printf("%s\n", namelist[a]->d_name);
                      }
                      }


int file_select(namelist)
 
      {if ((strcmp(namelist->d_name, ".") == 0) ||
                  (strcmp(namelist->d_name, "..") == 0))
                   return (FALSE);
            else
                        return (TRUE);
      }


Last edited by ne0h on Thu Mar 20, 2008 3:58 am; edited 1 time in total
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J.F.



Joined: 22 Feb 2004
Posts: 2906
PostPosted: Wed Mar 19, 2008 7:31 am    Post subject: Reply with quote
Please use the [ code ] [ /code ] bbs tags around any code you post. It makes it that much harder for folks if you don't as the formatting is removed, making the code hard to read.
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