mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
|
|
Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU IO Library. This library is free
|
|
software; you can redistribute it and/or modify it under the
|
|
terms of the GNU General Public License as published by the
|
|
Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
This 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this library; see the file COPYING. If not, write to the Free
|
|
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
As a special exception, if you link this library with files
|
|
compiled with a GNU compiler to produce an executable, this does not cause
|
|
the resulting executable to be covered by the GNU General Public License.
|
|
This exception does not however invalidate any other reasons why
|
|
the executable file might be covered by the GNU General Public License. */
|
|
|
|
#include "libioP.h"
|
|
#include <stdio.h>
|
|
|
|
char*
|
|
_IO_fgets (buf, n, fp)
|
|
char* buf;
|
|
int n;
|
|
_IO_FILE* fp;
|
|
{
|
|
_IO_size_t count;
|
|
char *result;
|
|
CHECK_FILE (fp, NULL);
|
|
if (n <= 0)
|
|
return NULL;
|
|
__libc_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
|
|
__flockfile (fp);
|
|
count = _IO_getline (fp, buf, n - 1, '\n', 1);
|
|
if (count == 0 || (fp->_IO_file_flags & _IO_ERR_SEEN))
|
|
result = NULL;
|
|
else
|
|
{
|
|
buf[count] = '\0';
|
|
result = buf;
|
|
}
|
|
__libc_cleanup_region_end (1);
|
|
return result;
|
|
}
|
|
|
|
weak_alias (_IO_fgets, fgets)
|