diff options
Diffstat (limited to 'contrib/gnu-sort/lib/closeout.c')
-rw-r--r-- | contrib/gnu-sort/lib/closeout.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/contrib/gnu-sort/lib/closeout.c b/contrib/gnu-sort/lib/closeout.c deleted file mode 100644 index 3c7bed9..0000000 --- a/contrib/gnu-sort/lib/closeout.c +++ /dev/null @@ -1,93 +0,0 @@ -/* closeout.c - close standard output - - Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004 Free Software - Foundation, Inc. - - This program 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 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#if HAVE_CONFIG_H -# include <config.h> -#endif - -#include "closeout.h" - -#include <stdio.h> -#include <errno.h> - -#include "gettext.h" -#define _(msgid) gettext (msgid) - -#include "error.h" -#include "exitfail.h" -#include "quotearg.h" -#include "unlocked-io.h" -#include "__fpending.h" - -static const char *file_name; - -/* Set the file name to be reported in the event an error is detected - by close_stdout. */ -void -close_stdout_set_file_name (const char *file) -{ - file_name = file; -} - -/* Close standard output, exiting with status 'exit_failure' on failure. - If a program writes *anything* to stdout, that program should `fflush' - stdout and make sure that it succeeds before exiting. Otherwise, - suppose that you go to the extreme of checking the return status - of every function that does an explicit write to stdout. The last - printf can succeed in writing to the internal stream buffer, and yet - the fclose(stdout) could still fail (due e.g., to a disk full error) - when it tries to write out that buffered data. Thus, you would be - left with an incomplete output file and the offending program would - exit successfully. - - FIXME: note the fflush suggested above is implicit in the fclose - we actually do below. Consider doing only the fflush and/or using - setvbuf to inhibit buffering. - - Besides, it's wasteful to check the return value from every call - that writes to stdout -- just let the internal stream state record - the failure. That's what the ferror test is checking below. - - It's important to detect such failures and exit nonzero because many - tools (most notably `make' and other build-management systems) depend - on being able to detect failure in other tools via their exit status. */ - -void -close_stdout (void) -{ - int e = ferror (stdout) ? 0 : -1; - - /* If the stream's error bit is clear and there is nothing to flush, - then return right away. */ - if (e && __fpending (stdout) == 0) - return; - - if (fclose (stdout) != 0) - e = errno; - - if (0 <= e) - { - char const *write_error = _("write error"); - if (file_name) - error (exit_failure, e, "%s: %s", quotearg_colon (file_name), - write_error); - else - error (exit_failure, e, "%s", write_error); - } -} |