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code.delx.au - pulseaudio/blob - src/pulse/xmalloc.c
4 This file is part of PulseAudio.
6 Copyright 2004-2006 Lennart Poettering
8 PulseAudio is free software; you can redistribute it and/or modify
9 it under the terms of the GNU Lesser General Public License as published
10 by the Free Software Foundation; either version 2 of the License,
11 or (at your option) any later version.
13 PulseAudio is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with PulseAudio; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
33 #include <pulsecore/core-util.h>
34 #include <pulsecore/gccmacro.h>
35 #include <pulsecore/macro.h>
39 /* Make sure not to allocate more than this much memory. */
40 #define MAX_ALLOC_SIZE (1024*1024*20) /* 20MB */
48 static void oom(void) PA_GCC_NORETURN
;
50 /** called in case of an OOM situation. Prints an error message and
52 static void oom(void) {
53 static const char e
[] = "Not enough memory\n";
54 pa_loop_write(STDERR_FILENO
, e
, sizeof(e
)-1, NULL
);
61 void* pa_xmalloc(size_t size
) {
64 pa_assert(size
< MAX_ALLOC_SIZE
);
66 if (!(p
= malloc(size
)))
72 void* pa_xmalloc0(size_t size
) {
75 pa_assert(size
< MAX_ALLOC_SIZE
);
77 if (!(p
= calloc(1, size
)))
83 void *pa_xrealloc(void *ptr
, size_t size
) {
86 pa_assert(size
< MAX_ALLOC_SIZE
);
88 if (!(p
= realloc(ptr
, size
)))
93 void* pa_xmemdup(const void *p
, size_t l
) {
97 char *r
= pa_xmalloc(l
);
103 char *pa_xstrdup(const char *s
) {
107 return pa_xmemdup(s
, strlen(s
)+1);
110 char *pa_xstrndup(const char *s
, size_t l
) {
116 if ((e
= memchr(s
, 0, l
)))
117 return pa_xmemdup(s
, e
-s
+1);
125 void pa_xfree(void *p
) {