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/*
* Copyright (c) 2020, Michael Grunder <michael dot grunder at gmail dot com>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef VALKEY_ALLOC_H
#define VALKEY_ALLOC_H
#include "visibility.h"
#include <stddef.h> /* for size_t */
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Structure pointing to our actually configured allocators */
typedef struct valkeyAllocFuncs {
void *(*mallocFn)(size_t);
void *(*callocFn)(size_t, size_t);
void *(*reallocFn)(void *, size_t);
char *(*strdupFn)(const char *);
void (*freeFn)(void *);
} valkeyAllocFuncs;
LIBVALKEY_API valkeyAllocFuncs valkeySetAllocators(valkeyAllocFuncs *fns);
LIBVALKEY_API void valkeyResetAllocators(void);
#ifndef _WIN32
/* valkey' configured allocator function pointer struct */
LIBVALKEY_API extern valkeyAllocFuncs valkeyAllocFns;
static inline void *vk_malloc(size_t size) {
return valkeyAllocFns.mallocFn(size);
}
static inline void *vk_calloc(size_t nmemb, size_t size) {
/* Overflow check as the user can specify any arbitrary allocator */
if (SIZE_MAX / size < nmemb)
return NULL;
return valkeyAllocFns.callocFn(nmemb, size);
}
static inline void *vk_realloc(void *ptr, size_t size) {
return valkeyAllocFns.reallocFn(ptr, size);
}
static inline char *vk_strdup(const char *str) {
return valkeyAllocFns.strdupFn(str);
}
static inline void vk_free(void *ptr) {
valkeyAllocFns.freeFn(ptr);
}
#else
LIBVALKEY_API void *vk_malloc(size_t size);
LIBVALKEY_API void *vk_calloc(size_t nmemb, size_t size);
LIBVALKEY_API void *vk_realloc(void *ptr, size_t size);
LIBVALKEY_API char *vk_strdup(const char *str);
LIBVALKEY_API void vk_free(void *ptr);
#endif
#ifdef __cplusplus
}
#endif
#endif /* VALKEY_ALLOC_H */
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