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/*
* iod.c - Iterate a function on each entry of a directory
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* This file can be redistributed under the terms of the GNU Library General
* Public License
*/
/*
* History:
* 93/10/30 - Creation
*/
#include "e2p.h"
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
int iterate_on_dir (const char * dir_name,
int (*func) (const char *, struct dirent *, void *),
void * private)
{
DIR * dir;
struct dirent *de, *dep;
int max_len, len;
max_len = PATH_MAX + sizeof(struct dirent);
de = (struct dirent *)xmalloc(max_len+1);
memset(de, 0, max_len+1);
dir = opendir (dir_name);
if (dir == NULL) {
free(de);
return -1;
}
while ((dep = readdir (dir))) {
len = sizeof(struct dirent);
if (len < dep->d_reclen)
len = dep->d_reclen;
if (len > max_len)
len = max_len;
memcpy(de, dep, len);
(*func) (dir_name, de, private);
}
free(de);
closedir(dir);
return 0;
}
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