diff options
Diffstat (limited to 'lib/closeout.c')
-rw-r--r-- | lib/closeout.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/lib/closeout.c b/lib/closeout.c deleted file mode 100644 index 830f16f..0000000 --- a/lib/closeout.c +++ /dev/null @@ -1,86 +0,0 @@ -/* Close standard output and standard error, exiting with a diagnostic on error. - - Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <config.h> - -#include "closeout.h" - -#include <errno.h> -#include <stdio.h> -#include <unistd.h> - -#include "gettext.h" -#define _(msgid) gettext (msgid) - -#include "close-stream.h" -#include "error.h" -#include "exitfail.h" -#include "quotearg.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. On error, issue a diagnostic and _exit - with status 'exit_failure'. - - Also close standard error. On error, _exit with status 'exit_failure'. - - Since close_stdout is commonly registered via 'atexit', POSIX - and the C standard both say that it should not call 'exit', - because the behavior is undefined if 'exit' is called more than - once. So it calls '_exit' instead of 'exit'. If close_stdout - is registered via atexit before other functions are registered, - the other functions can act before this _exit is invoked. - - Applications that use close_stdout should flush any streams - other than stdout and stderr before exiting, since the call to - _exit will bypass other buffer flushing. Applications should - be flushing and closing other streams anyway, to check for I/O - errors. Also, applications should not use tmpfile, since _exit - can bypass the removal of these files. - - 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) -{ - if (close_stream (stdout) != 0) - { - char const *write_error = _("write error"); - if (file_name) - error (0, errno, "%s: %s", quotearg_colon (file_name), - write_error); - else - error (0, errno, "%s", write_error); - - _exit (exit_failure); - } - - if (close_stream (stderr) != 0) - _exit (exit_failure); -} |