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-rw-r--r--release-0.6.9/avahi-common/malloc.c259
1 files changed, 259 insertions, 0 deletions
diff --git a/release-0.6.9/avahi-common/malloc.c b/release-0.6.9/avahi-common/malloc.c
new file mode 100644
index 0000000..51b8ff6
--- /dev/null
+++ b/release-0.6.9/avahi-common/malloc.c
@@ -0,0 +1,259 @@
+/* $Id$ */
+
+/***
+ This file is part of avahi.
+
+ avahi is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ avahi 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 Lesser General
+ Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with avahi; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "malloc.h"
+
+#ifndef va_copy
+#ifdef __va_copy
+#define va_copy(DEST,SRC) __va_copy((DEST),(SRC))
+#else
+#define va_copy(DEST,SRC) memcpy(&(DEST), &(SRC), sizeof(va_list))
+#endif
+#endif
+
+static const AvahiAllocator *allocator = NULL;
+
+static void oom(void) AVAHI_GCC_NORETURN;
+
+static void oom(void) {
+
+ static const char msg[] = "Out of memory, aborting ...\n";
+ const char *n = msg;
+
+ while (strlen(n) > 0) {
+ ssize_t r;
+
+ if ((r = write(2, n, strlen(n))) < 0)
+ break;
+
+ n += r;
+ }
+
+ abort();
+}
+
+/* Default implementation for avahi_malloc() */
+static void* xmalloc(size_t size) {
+ void *p;
+
+ if (size == 0)
+ return NULL;
+
+ if (!(p = malloc(size)))
+ oom();
+
+ return p;
+}
+
+/* Default implementation for avahi_realloc() */
+static void *xrealloc(void *p, size_t size) {
+
+ if (size == 0) {
+ free(p);
+ return NULL;
+ }
+
+ if (!(p = realloc(p, size)))
+ oom();
+
+ return p;
+}
+
+/* Default implementation for avahi_calloc() */
+static void *xcalloc(size_t nmemb, size_t size) {
+ void *p;
+
+ if (size == 0 || nmemb == 0)
+ return NULL;
+
+ if (!(p = calloc(nmemb, size)))
+ oom();
+
+ return p;
+}
+
+void *avahi_malloc(size_t size) {
+
+ if (size <= 0)
+ return NULL;
+
+ if (!allocator)
+ return xmalloc(size);
+
+ assert(allocator->malloc);
+ return allocator->malloc(size);
+}
+
+void *avahi_malloc0(size_t size) {
+ void *p;
+
+ if (size <= 0)
+ return NULL;
+
+ if (!allocator)
+ return xcalloc(1, size);
+
+ if (allocator->calloc)
+ return allocator->calloc(1, size);
+
+ assert(allocator->malloc);
+ if ((p = allocator->malloc(size)))
+ memset(p, 0, size);
+
+ return p;
+}
+
+void avahi_free(void *p) {
+
+ if (!p)
+ return;
+
+ if (!allocator) {
+ free(p);
+ return;
+ }
+
+ assert(allocator->free);
+ allocator->free(p);
+}
+
+void *avahi_realloc(void *p, size_t size) {
+
+ if (size == 0) {
+ avahi_free(p);
+ return NULL;
+ }
+
+ if (!allocator)
+ return xrealloc(p, size);
+
+ assert(allocator->realloc);
+ return allocator->realloc(p, size);
+}
+
+char *avahi_strdup(const char *s) {
+ char *r;
+ size_t size;
+
+ if (!s)
+ return NULL;
+
+ size = strlen(s);
+ if (!(r = avahi_malloc(size+1)))
+ return NULL;
+
+ memcpy(r, s, size+1);
+ return r;
+}
+
+char *avahi_strndup(const char *s, size_t max) {
+ char *r;
+ size_t size;
+ const char *p;
+
+ if (!s)
+ return NULL;
+
+ for (p = s, size = 0;
+ size < max && *p;
+ p++, size++);
+
+ if (!(r = avahi_new(char, size+1)))
+ return NULL;
+
+ memcpy(r, s, size);
+ r[size] = 0;
+ return r;
+}
+
+/* Change the allocator */
+void avahi_set_allocator(const AvahiAllocator *a) {
+ allocator = a;
+}
+
+char *avahi_strdup_vprintf(const char *fmt, va_list ap) {
+ size_t len = 80;
+ char *buf;
+
+ assert(fmt);
+
+ if (!(buf = avahi_malloc(len)))
+ return NULL;
+
+ for (;;) {
+ int n;
+ char *nbuf;
+ va_list ap2;
+
+ va_copy (ap2, ap);
+ n = vsnprintf(buf, len, fmt, ap2);
+ va_end (ap2);
+
+ if (n >= 0 && n < (int) len)
+ return buf;
+
+ if (n >= 0)
+ len = n+1;
+ else
+ len *= 2;
+
+ if (!(nbuf = avahi_realloc(buf, len))) {
+ avahi_free(buf);
+ return NULL;
+ }
+
+ buf = nbuf;
+ }
+}
+
+char *avahi_strdup_printf(const char *fmt, ... ) {
+ char *s;
+ va_list ap;
+
+ assert(fmt);
+
+ va_start(ap, fmt);
+ s = avahi_strdup_vprintf(fmt, ap);
+ va_end(ap);
+
+ return s;
+}
+
+void *avahi_memdup(const void *s, size_t l) {
+ void *p;
+ assert(s);
+
+ if (!(p = avahi_malloc(l)))
+ return NULL;
+
+ memcpy(p, s, l);
+ return p;
+}