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shared: Make xalloc.h stand alone

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Make fail_on_null static inline and put it in xalloc.h so we can use the
header exclusively instead of having to link with the library for it.

This is so we can use xalloc in places (like the RDP backend) without
having to bring in libshared.

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman 2022-06-27 13:33:42 -05:00 committed by Pekka Paalanen
parent 9336263d9b
commit 0df0dccc84
3 changed files with 18 additions and 53 deletions
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1
shared/meson.build
View file

@ -4,7 +4,6 @@ srcs_libshared = [
'signal.c',
'file-util.c',
'os-compatibility.c',
'xalloc.c',
]
deps_libshared = [dep_wayland_client, dep_wayland_server]

50
shared/xalloc.c
View file

@ -1,50 +0,0 @@
/*
* Copyright © 2008 Kristian Høgsberg
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "xalloc.h"
void *
fail_on_null(void *p, size_t size, char *file, int32_t line)
{
if (p == NULL) {
fprintf(stderr, "[%s] ", program_invocation_short_name);
if (file)
fprintf(stderr, "%s:%d: ", file, line);
fprintf(stderr, "out of memory");
if (size)
fprintf(stderr, " (%zd)", size);
fprintf(stderr, "\n");
exit(EXIT_FAILURE);
}
return p;
}

20
shared/xalloc.h
View file

@ -30,14 +30,30 @@
extern "C" {
#endif
#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <libweston/zalloc.h>
void *
fail_on_null(void *p, size_t size, char *file, int32_t line);
static inline void *
fail_on_null(void *p, size_t size, char *file, int32_t line)
{
if (p == NULL) {
fprintf(stderr, "[%s] ", program_invocation_short_name);
if (file)
fprintf(stderr, "%s:%d: ", file, line);
fprintf(stderr, "out of memory");
if (size)
fprintf(stderr, " (%zd)", size);
fprintf(stderr, "\n");
exit(EXIT_FAILURE);
}
return p;
}
#define xmalloc(s) (fail_on_null(malloc(s), (s), __FILE__, __LINE__))
#define xzalloc(s) (fail_on_null(zalloc(s), (s), __FILE__, __LINE__))