8c4cdd782e
Fixes the following warnings when building with _FORTIFY_SOURCE
and optimizations enabled:
../shared/xalloc.h:49:9: error: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
49 | write(STDERR_FILENO, oommsg, strlen(oommsg));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
or
../compositor/main.c:427:25: error: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
427 | write(STDERR_FILENO, fail_seteuid,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
428 | strlen(fail_seteuid));
| ~~~~~~~~~~~~~~~~~~~~~
../compositor/main.c:434:25: error: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
434 | write(STDERR_FILENO, fail_cloexec,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
435 | strlen(fail_cloexec));
| ~~~~~~~~~~~~~~~~~~~~~
../compositor/main.c:442:25: error: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
442 | write(STDERR_FILENO, fail_exec, strlen(fail_exec));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
/*
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* Copyright © 2008 Kristian Høgsberg
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* Copyright 2022 Collabora, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef WESTON_XALLOC_H
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#define WESTON_XALLOC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <errno.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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static inline void *
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abort_oom_if_null(void *p)
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{
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static const char oommsg[] = ": out of memory\n";
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size_t written __attribute__((unused));
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if (p)
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return p;
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written = write(STDERR_FILENO, program_invocation_short_name,
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strlen(program_invocation_short_name));
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written = write(STDERR_FILENO, oommsg, strlen(oommsg));
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abort();
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}
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#define xmalloc(s) (abort_oom_if_null(malloc(s)))
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#define xzalloc(s) (abort_oom_if_null(calloc(1, s)))
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#define xcalloc(n, s) (abort_oom_if_null(calloc(n, s)))
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#define xstrdup(s) (abort_oom_if_null(strdup(s)))
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#define xrealloc(p, s) (abort_oom_if_null(realloc(p, s)))
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#ifdef __cplusplus
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}
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#endif
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#endif /* WESTON_XALLOC_H */
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