diff options
Diffstat (limited to 'lib/fclose.c')
-rw-r--r-- | lib/fclose.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/fclose.c b/lib/fclose.c new file mode 100644 index 000000000..805449a20 --- /dev/null +++ b/lib/fclose.c @@ -0,0 +1,47 @@ +/* fclose replacement. + Copyright (C) 2008-2011 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#include <config.h> + +/* Specification. */ +#include <stdio.h> + +#include <errno.h> +#include <unistd.h> + +/* Override fclose() to call the overridden close(). */ + +int +rpl_fclose (FILE *fp) +#undef fclose +{ + int saved_errno = 0; + + if (fflush (fp)) + saved_errno = errno; + + if (close (fileno (fp)) < 0 && saved_errno == 0) + saved_errno = errno; + + fclose (fp); /* will fail with errno = EBADF */ + + if (saved_errno != 0) + { + errno = saved_errno; + return EOF; + } + return 0; +} |