mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 07:10:06 +00:00
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* Copyright (C) 1991 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
#include <ansidecl.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <grp.h>
|
|
|
|
/* Search for an entry with a matching group ID. */
|
|
struct group *
|
|
DEFUN(getgrgid, (gid), register gid_t gid)
|
|
{
|
|
static PTR info = NULL;
|
|
register FILE *stream;
|
|
register struct group *g;
|
|
|
|
if (info == NULL)
|
|
{
|
|
info = __grpalloc();
|
|
if (info == NULL)
|
|
return NULL;
|
|
}
|
|
|
|
stream = __grpopen();
|
|
if (stream == NULL)
|
|
return NULL;
|
|
|
|
while ((g = __grpread(stream, info)) != NULL)
|
|
if (g->gr_gid == (gid_t) gid)
|
|
break;
|
|
|
|
(void) fclose(stream);
|
|
return g;
|
|
}
|