Mercurial > gnulib
annotate lib/xprintf.c @ 40057:b06060465f09
maint: Run 'make update-copyright'
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Tue, 01 Jan 2019 00:25:11 +0100 |
| parents | 10eb9086bea0 |
| children |
| rev | line source |
|---|---|
| 9364 | 1 /* printf wrappers that fail immediately for non-file-related errors |
|
40057
b06060465f09
maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
parents:
19484
diff
changeset
|
2 Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc. |
| 9364 | 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 | |
| 19190 | 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| 9364 | 16 |
|
9374
f3d25691c7ac
* lib/xprintf.c: Include <config.h> unconditionally.
Jim Meyering <meyering@redhat.com>
parents:
9372
diff
changeset
|
17 #include <config.h> |
| 9364 | 18 |
| 19 #include "xprintf.h" | |
| 20 | |
| 21 #include <errno.h> | |
| 22 | |
| 23 #include "error.h" | |
| 24 #include "exitfail.h" | |
| 25 #include "gettext.h" | |
| 26 | |
| 27 /* written by Jim Meyering */ | |
| 28 | |
| 9401 | 29 /* Just like printf, but call error if it fails without setting the |
| 30 stream's error indicator. */ | |
| 9364 | 31 int |
| 32 xprintf (char const *restrict format, ...) | |
| 33 { | |
| 34 va_list args; | |
| 9401 | 35 int retval; |
| 9364 | 36 va_start (args, format); |
| 9401 | 37 retval = xvprintf (format, args); |
| 9398 | 38 va_end (args); |
| 39 | |
| 9401 | 40 return retval; |
| 9398 | 41 } |
| 42 | |
| 9401 | 43 /* Just like vprintf, but call error if it fails without setting the |
| 44 stream's error indicator. */ | |
| 9398 | 45 int |
| 46 xvprintf (char const *restrict format, va_list args) | |
| 47 { | |
| 9401 | 48 int retval = vprintf (format, args); |
| 49 if (retval < 0 && ! ferror (stdout)) | |
| 9372 | 50 error (exit_failure, errno, gettext ("cannot perform formatted output")); |
| 9364 | 51 |
| 9401 | 52 return retval; |
| 9364 | 53 } |
| 54 | |
| 9401 | 55 /* Just like fprintf, but call error if it fails without setting the |
| 56 stream's error indicator. */ | |
| 9364 | 57 int |
| 58 xfprintf (FILE *restrict stream, char const *restrict format, ...) | |
| 59 { | |
| 60 va_list args; | |
| 9401 | 61 int retval; |
| 9364 | 62 va_start (args, format); |
| 9401 | 63 retval = xvfprintf (stream, format, args); |
| 9372 | 64 va_end (args); |
| 9364 | 65 |
| 9401 | 66 return retval; |
| 9364 | 67 } |
| 9398 | 68 |
| 9401 | 69 /* Just like vfprintf, but call error if it fails without setting the |
| 70 stream's error indicator. */ | |
| 9398 | 71 int |
| 72 xvfprintf (FILE *restrict stream, char const *restrict format, va_list args) | |
| 73 { | |
| 9401 | 74 int retval = vfprintf (stream, format, args); |
| 75 if (retval < 0 && ! ferror (stream)) | |
| 9398 | 76 error (exit_failure, errno, gettext ("cannot perform formatted output")); |
| 77 | |
| 9401 | 78 return retval; |
| 9398 | 79 } |