forked from jbagg/QtZeroConf
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
#ifndef foomallochfoo
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#define foomallochfoo
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/***
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This file is part of avahi.
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avahi is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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avahi is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with avahi; 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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/** \file malloc.h Memory allocation */
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#include <sys/types.h>
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#include <stdarg.h>
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#include <limits.h>
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#include <assert.h>
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#include <avahi-common/cdecl.h>
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#include <avahi-common/gccmacro.h>
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AVAHI_C_DECL_BEGIN
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/** Allocate some memory, just like the libc malloc() */
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void *avahi_malloc(size_t size) AVAHI_GCC_ALLOC_SIZE(1);
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/** Similar to avahi_malloc() but set the memory to zero */
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void *avahi_malloc0(size_t size) AVAHI_GCC_ALLOC_SIZE(1);
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/** Free some memory */
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void avahi_free(void *p);
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/** Similar to libc's realloc() */
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void *avahi_realloc(void *p, size_t size) AVAHI_GCC_ALLOC_SIZE(2);
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/** Internal helper for avahi_new() */
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static inline void* AVAHI_GCC_ALLOC_SIZE2(1,2) avahi_new_internal(unsigned n, size_t k) {
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assert(n < INT_MAX/k);
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return avahi_malloc(n*k);
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}
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/** Allocate n new structures of the specified type. */
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#define avahi_new(type, n) ((type*) avahi_new_internal((n), sizeof(type)))
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/** Internal helper for avahi_new0() */
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static inline void* AVAHI_GCC_ALLOC_SIZE2(1,2) avahi_new0_internal(unsigned n, size_t k) {
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assert(n < INT_MAX/k);
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return avahi_malloc0(n*k);
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}
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/** Same as avahi_new() but set the memory to zero */
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#define avahi_new0(type, n) ((type*) avahi_new0_internal((n), sizeof(type)))
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/** Just like libc's strdup() */
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char *avahi_strdup(const char *s);
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/** Just like libc's strndup() */
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char *avahi_strndup(const char *s, size_t l);
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/** Duplicate the given memory block into a new one allocated with avahi_malloc() */
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void *avahi_memdup(const void *s, size_t l) AVAHI_GCC_ALLOC_SIZE(2);
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/** Wraps allocator functions */
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typedef struct AvahiAllocator {
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void* (*malloc)(size_t size) AVAHI_GCC_ALLOC_SIZE(1);
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void (*free)(void *p);
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void* (*realloc)(void *p, size_t size) AVAHI_GCC_ALLOC_SIZE(2);
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void* (*calloc)(size_t nmemb, size_t size) AVAHI_GCC_ALLOC_SIZE2(1,2); /**< May be NULL */
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} AvahiAllocator;
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/** Change the allocator. May be NULL to return to default (libc)
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* allocators. The structure is not copied! */
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void avahi_set_allocator(const AvahiAllocator *a);
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/** Like sprintf() but store the result in a freshly allocated buffer. Free this with avahi_free() */
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char *avahi_strdup_printf(const char *fmt, ... ) AVAHI_GCC_PRINTF_ATTR12;
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/** \cond fulldocs */
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/** Same as avahi_strdup_printf() but take a va_list instead of varargs */
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char *avahi_strdup_vprintf(const char *fmt, va_list ap);
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/** \endcond */
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AVAHI_C_DECL_END
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#endif
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