notmuch/compat/compat.h
Austin Clements a9a9e374e2 Silence buildbot warnings about unused results
This ignores the results of the two writes in sigint handlers even
harder than before.

While my libc lacks the declarations that trigger these warnings, this
can be tested by adding the following to notmuch.h:

__attribute__((warn_unused_result))
ssize_t write(int fd, const void *buf, size_t count);
2012-01-21 08:49:50 -04:00

61 lines
1.7 KiB
C

/* notmuch - Not much of an email library, (just index and search)
*
* Copyright © 2009 Carl Worth
*
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/ .
*
* Author: Carl Worth <cworth@cworth.org>
*/
/* This header file defines functions that will only be conditionally
* compiled for compatibility on systems that don't provide their own
* implementations of the functions.
*/
#ifndef NOTMUCH_COMPAT_H
#define NOTMUCH_COMPAT_H
#ifdef __cplusplus
extern "C" {
#endif
#if !HAVE_GETLINE
#include <stdio.h>
#include <unistd.h>
ssize_t
getline (char **lineptr, size_t *n, FILE *stream);
ssize_t
getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp);
#endif /* !HAVE_GETLINE */
#if !HAVE_STRCASESTR
char* strcasestr(const char *haystack, const char *needle);
#endif /* !HAVE_STRCASESTR */
/* Silence gcc warnings about unused results. These warnings exist
* for a reason; any use of this needs to be justified. */
#ifdef __GNUC__
#define IGNORE_RESULT(x) ({ __typeof__(x) __z = (x); (void)(__z = __z); })
#else /* !__GNUC__ */
#define IGNORE_RESULT(x) x
#endif /* __GNUC__ */
#ifdef __cplusplus
}
#endif
#endif /* NOTMUCH_COMPAT_H */