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