From de9f1f757af7e15881156b610431cd00c262f768 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 22 Apr 2005 02:33:37 +0000 Subject: import lsattr and chattr from e2fsprogs --- util-linux/e2p/iod.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 util-linux/e2p/iod.c (limited to 'util-linux/e2p/iod.c') diff --git a/util-linux/e2p/iod.c b/util-linux/e2p/iod.c new file mode 100644 index 000000000..808d3a39d --- /dev/null +++ b/util-linux/e2p/iod.c @@ -0,0 +1,72 @@ +/* + * iod.c - Iterate a function on each entry of a directory + * + * Copyright (C) 1993, 1994 Remy Card + * 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" +#if HAVE_UNISTD_H +#include +#endif +#include +#include + +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 = -1, len; + +#if HAVE_PATHCONF && defined(_PC_NAME_MAX) + max_len = pathconf(dir_name, _PC_NAME_MAX); +#endif + if (max_len == -1) { +#ifdef _POSIX_NAME_MAX + max_len = _POSIX_NAME_MAX; +#else +#ifdef NAME_MAX + max_len = NAME_MAX; +#else + max_len = 256; +#endif /* NAME_MAX */ +#endif /* _POSIX_NAME_MAX */ + } + max_len += sizeof(struct dirent); + + de = malloc(max_len+1); + if (!de) + return -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); +#ifdef HAVE_RECLEN_DIRENT + if (len < dep->d_reclen) + len = dep->d_reclen; + if (len > max_len) + len = max_len; +#endif + memcpy(de, dep, len); + (*func) (dir_name, de, private); + } + free(de); + closedir(dir); + return 0; +} -- cgit v1.2.3