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fa499dad06
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@284 fefdeb5f-60dc-0310-8127-8f9354f1896f
116 lines
2.4 KiB
C
116 lines
2.4 KiB
C
/* $Id$ */
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/***
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This file is part of polypaudio.
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polypaudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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polypaudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with polypaudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <signal.h>
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#include <assert.h>
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#include <unistd.h>
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#include "memory.h"
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#include "util.h"
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/* Make sure not to allocate more than this much memory. */
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#define MAX_ALLOC_SIZE (1024*1024*20) /* 20MB */
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/* #undef malloc */
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/* #undef free */
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/* #undef realloc */
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/* #undef strndup */
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/* #undef strdup */
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/** called in case of an OOM situation. Prints an error message and
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* exits */
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static void oom(void) {
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static const char e[] = "Not enough memory\n";
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pa_loop_write(STDERR_FILENO, e, sizeof(e)-1);
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raise(SIGQUIT);
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_exit(1);
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}
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void* pa_xmalloc(size_t size) {
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void *p;
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assert(size > 0);
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assert(size < MAX_ALLOC_SIZE);
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if (!(p = malloc(size)))
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oom();
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return p;
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}
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void* pa_xmalloc0(size_t size) {
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void *p;
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assert(size > 0);
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assert(size < MAX_ALLOC_SIZE);
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if (!(p = calloc(1, size)))
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oom();
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return p;
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}
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void *pa_xrealloc(void *ptr, size_t size) {
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void *p;
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assert(size > 0);
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assert(size < MAX_ALLOC_SIZE);
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if (!(p = realloc(ptr, size)))
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oom();
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return p;
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}
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void* pa_xmemdup(const void *p, size_t l) {
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if (!p)
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return NULL;
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else {
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char *r = pa_xmalloc(l);
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memcpy(r, p, l);
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return r;
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}
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}
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char *pa_xstrdup(const char *s) {
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if (!s)
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return NULL;
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return pa_xmemdup(s, strlen(s)+1);
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}
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char *pa_xstrndup(const char *s, size_t l) {
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if (!s)
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return NULL;
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else {
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char *r;
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size_t t = strlen(s);
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if (t > l)
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t = l;
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r = pa_xmemdup(s, t+1);
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r[t] = 0;
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return r;
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}
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}
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