mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-20 08:30:00 +00:00
a711dd4ba8
2000-04-21 Ulrich Drepper <drepper@redhat.com> * iconv/iconv.c (iconv): Add __builtin_expect where useful. * iconv/iconv_close.c (iconv_close): Likewise. * iconv/iconv_open.c (iconv_open): Likewise. * grp/putgrent.c (putgrent): Unlock steam if fprintf failed. Add __builtin_expect where useful. * grp/initgroups.c (initgroups): Test for result of memory allocation and punt if it fails. * dirent/scandir.c (scandir): Add __builtin_expect where useful. * grp/fgetgrent.c (fgetfrent): Likewise. * grp/fgetgrent_r.c (__fgetgrent_r): Likewise.
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* Copyright (C) 1991, 92, 96, 98, 99, 2000 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., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <grp.h>
|
|
|
|
#ifdef USE_IN_LIBIO
|
|
# define flockfile(s) _IO_flockfile (s)
|
|
# define funlockfile(s) _IO_funlockfile (s)
|
|
#endif
|
|
|
|
#define _S(x) x ? x : ""
|
|
|
|
/* Write an entry to the given stream.
|
|
This must know the format of the group file. */
|
|
int
|
|
putgrent (gr, stream)
|
|
const struct group *gr;
|
|
FILE *stream;
|
|
{
|
|
int retval;
|
|
|
|
if (__builtin_expect (gr == NULL, 0) || __builtin_expect (stream == NULL, 0))
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
flockfile (stream);
|
|
|
|
retval = fprintf (stream, "%s:%s:%u:",
|
|
gr->gr_name, _S (gr->gr_passwd), gr->gr_gid);
|
|
if (__builtin_expect (retval, 0) < 0)
|
|
{
|
|
funlockfile (stream);
|
|
return -1;
|
|
}
|
|
|
|
if (gr->gr_mem != NULL)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0 ; gr->gr_mem[i] != NULL; i++)
|
|
if (fprintf (stream, i == 0 ? "%s" : ",%s", gr->gr_mem[i]) < 0)
|
|
{
|
|
/* What else can we do? */
|
|
funlockfile (stream);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
retval = fputc_unlocked ('\n', stream);
|
|
|
|
funlockfile (stream);
|
|
|
|
return retval < 0 ? -1 : 0;
|
|
}
|