mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-04 13:30:12 -05:00
123 lines
2.2 KiB
C
123 lines
2.2 KiB
C
/* PipeWire
|
|
* Copyright (C) 2018 Wim Taymans <wim.taymans@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
#include <spa/utils/defs.h>
|
|
|
|
#include <pulse/xmalloc.h>
|
|
|
|
#define MAX_ALLOC_SIZE (1024*1024*96) /* 96MB */
|
|
|
|
static void oom(void) {
|
|
static const char e[] = "Not enough memory\n";
|
|
if (write(STDERR_FILENO, e, sizeof(e)-1) < 0)
|
|
perror("write");
|
|
#ifdef SIGQUIT
|
|
raise(SIGQUIT);
|
|
#endif
|
|
_exit(1);
|
|
}
|
|
|
|
SPA_EXPORT
|
|
void* pa_xmalloc(size_t l)
|
|
{
|
|
void *p;
|
|
spa_assert(l > 0);
|
|
spa_assert(l < MAX_ALLOC_SIZE);
|
|
|
|
if (!(p = malloc(l)))
|
|
oom();
|
|
|
|
return p;
|
|
}
|
|
|
|
SPA_EXPORT
|
|
void *pa_xmalloc0(size_t l)
|
|
{
|
|
void *p;
|
|
spa_assert(l > 0);
|
|
spa_assert(l < MAX_ALLOC_SIZE);
|
|
|
|
if (!(p = calloc(1, l)))
|
|
oom();
|
|
|
|
return p;
|
|
}
|
|
|
|
SPA_EXPORT
|
|
void *pa_xrealloc(void *ptr, size_t size)
|
|
{
|
|
void *p;
|
|
spa_assert(size > 0);
|
|
spa_assert(size < MAX_ALLOC_SIZE);
|
|
|
|
if (!(p = realloc(ptr, size)))
|
|
oom();
|
|
return p;
|
|
}
|
|
|
|
SPA_EXPORT
|
|
void pa_xfree(void *p)
|
|
{
|
|
int saved_errno;
|
|
if (!p)
|
|
return;
|
|
saved_errno = errno;
|
|
free(p);
|
|
errno = saved_errno;
|
|
}
|
|
|
|
SPA_EXPORT
|
|
char *pa_xstrdup(const char *s)
|
|
{
|
|
if (!s)
|
|
return NULL;
|
|
return pa_xmemdup(s, strlen(s)+1);
|
|
}
|
|
|
|
SPA_EXPORT
|
|
char *pa_xstrndup(const char *s, size_t l)
|
|
{
|
|
char *e, *r;
|
|
|
|
if (!s)
|
|
return NULL;
|
|
|
|
if ((e = memchr(s, 0, l)))
|
|
return pa_xmemdup(s, (size_t) (e-s+1));
|
|
|
|
r = pa_xmalloc(l+1);
|
|
memcpy(r, s, l);
|
|
r[l] = 0;
|
|
return r;
|
|
}
|
|
|
|
SPA_EXPORT
|
|
void* pa_xmemdup(const void *p, size_t l)
|
|
{
|
|
if (!p)
|
|
return NULL;
|
|
else {
|
|
char *r = pa_xmalloc(l);
|
|
memcpy(r, p, l);
|
|
return r;
|
|
}
|
|
}
|