obs-studio/libobs/util/bmem.h
2023-05-20 01:31:18 -07:00

97 lines
2 KiB
C

/*
* Copyright (c) 2023 Lain Bailey <lain@obsproject.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#pragma once
#include "c99defs.h"
#include "base.h"
#include <wchar.h>
#include <string.h>
#ifdef __cplusplus
extern "C" {
#endif
struct base_allocator {
void *(*malloc)(size_t);
void *(*realloc)(void *, size_t);
void (*free)(void *);
};
OBS_DEPRECATED EXPORT void base_set_allocator(struct base_allocator *defs);
EXPORT void *bmalloc(size_t size);
EXPORT void *brealloc(void *ptr, size_t size);
EXPORT void bfree(void *ptr);
EXPORT int base_get_alignment(void);
EXPORT long bnum_allocs(void);
EXPORT void *bmemdup(const void *ptr, size_t size);
static inline void *bzalloc(size_t size)
{
void *mem = bmalloc(size);
if (mem)
memset(mem, 0, size);
return mem;
}
static inline char *bstrdup_n(const char *str, size_t n)
{
char *dup;
if (!str)
return NULL;
dup = (char *)bmemdup(str, n + 1);
dup[n] = 0;
return dup;
}
static inline wchar_t *bwstrdup_n(const wchar_t *str, size_t n)
{
wchar_t *dup;
if (!str)
return NULL;
dup = (wchar_t *)bmemdup(str, (n + 1) * sizeof(wchar_t));
dup[n] = 0;
return dup;
}
static inline char *bstrdup(const char *str)
{
if (!str)
return NULL;
return bstrdup_n(str, strlen(str));
}
static inline wchar_t *bwstrdup(const wchar_t *str)
{
if (!str)
return NULL;
return bwstrdup_n(str, wcslen(str));
}
#ifdef __cplusplus
}
#endif