1 /* printf wrappers that fail immediately for non-file-related errors
2 Copyright (C) 2007-2017 Free Software Foundation, Inc.
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.
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.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
23 /* The __attribute__ feature is available in gcc versions 2.5 and later.
24 The __-protected variants of the attributes 'format' and 'printf' are
25 accepted by gcc versions 2.6.4 (effectively 2.7) and later.
26 We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because
27 gnulib and libintl do '#define printf __printf__' when they override
28 the 'printf' function. */
29 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
30 # define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
32 # define _GL_ATTRIBUTE_FORMAT(spec) /* empty */
35 extern int xprintf (char const *restrict format
, ...)
36 _GL_ATTRIBUTE_FORMAT ((__printf__
, 1, 2));
37 extern int xvprintf (char const *restrict format
, va_list args
)
38 _GL_ATTRIBUTE_FORMAT ((__printf__
, 1, 0));
39 extern int xfprintf (FILE *restrict stream
, char const *restrict format
, ...)
40 _GL_ATTRIBUTE_FORMAT ((__printf__
, 2, 3));
41 extern int xvfprintf (FILE *restrict stream
, char const *restrict format
,
43 _GL_ATTRIBUTE_FORMAT ((__printf__
, 2, 0));