1/* fclose replacement. 2 Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 16 17#include <config.h> 18 19/* Specification. */ 20#include <stdio.h> 21 22#include <errno.h> 23#include <unistd.h> 24 25/* Override fclose() to call the overridden close(). */ 26 27int 28rpl_fclose (FILE *fp) 29#undef fclose 30{ 31 int saved_errno = 0; 32 33 if (fflush (fp)) 34 saved_errno = errno; 35 36 if (close (fileno (fp)) < 0 && saved_errno == 0) 37 saved_errno = errno; 38 39 fclose (fp); /* will fail with errno = EBADF */ 40 41 if (saved_errno != 0) 42 { 43 errno = saved_errno; 44 return EOF; 45 } 46 return 0; 47} 48