blob: ffaac3f3c72bd874c6e3d7a16ada772688f6f99b [file] [log] [blame]
#ifndef foomallochfoo
#define foomallochfoo
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
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
/** \file malloc.h Memory allocation */
#include <sys/types.h>
#include <stdarg.h>
#include <limits.h>
#include <assert.h>
#include <avahi-common/cdecl.h>
#include <avahi-common/gccmacro.h>
/** Allocate some memory, just like the libc malloc() */
void *avahi_malloc(size_t size) AVAHI_GCC_ALLOC_SIZE(1);
/** Similar to avahi_malloc() but set the memory to zero */
void *avahi_malloc0(size_t size) AVAHI_GCC_ALLOC_SIZE(1);
/** Free some memory */
void avahi_free(void *p);
/** Similar to libc's realloc() */
void *avahi_realloc(void *p, size_t size) AVAHI_GCC_ALLOC_SIZE(2);
/** Internal helper for avahi_new() */
static inline void* AVAHI_GCC_ALLOC_SIZE2(1,2) avahi_new_internal(unsigned n, size_t k) {
assert(n < INT_MAX/k);
return avahi_malloc(n*k);
/** Allocate n new structures of the specified type. */
#define avahi_new(type, n) ((type*) avahi_new_internal((n), sizeof(type)))
/** Internal helper for avahi_new0() */
static inline void* AVAHI_GCC_ALLOC_SIZE2(1,2) avahi_new0_internal(unsigned n, size_t k) {
assert(n < INT_MAX/k);
return avahi_malloc0(n*k);
/** Same as avahi_new() but set the memory to zero */
#define avahi_new0(type, n) ((type*) avahi_new0_internal((n), sizeof(type)))
/** Just like libc's strdup() */
char *avahi_strdup(const char *s);
/** Just like libc's strndup() */
char *avahi_strndup(const char *s, size_t l);
/** Duplicate the given memory block into a new one allocated with avahi_malloc() */
void *avahi_memdup(const void *s, size_t l) AVAHI_GCC_ALLOC_SIZE(2);
/** Wraps allocator functions */
typedef struct AvahiAllocator {
void* (*malloc)(size_t size) AVAHI_GCC_ALLOC_SIZE(1);
void (*free)(void *p);
void* (*realloc)(void *p, size_t size) AVAHI_GCC_ALLOC_SIZE(2);
void* (*calloc)(size_t nmemb, size_t size) AVAHI_GCC_ALLOC_SIZE2(1,2); /**< May be NULL */
} AvahiAllocator;
/** Change the allocator. May be NULL to return to default (libc)
* allocators. The structure is not copied! */
void avahi_set_allocator(const AvahiAllocator *a);
/** Like sprintf() but store the result in a freshly allocated buffer. Free this with avahi_free() */
char *avahi_strdup_printf(const char *fmt, ... ) AVAHI_GCC_PRINTF_ATTR12;
/** \cond fulldocs */
/** Same as avahi_strdup_printf() but take a va_list instead of varargs */
char *avahi_strdup_vprintf(const char *fmt, va_list ap);
/** \endcond */