misc/winutils/include/libavutil/mem.h
changeset 15388 262003f2e19a
parent 15387 90a79670de52
child 15389 7718bdf60d45
--- a/misc/winutils/include/libavutil/mem.h	Sat Aug 31 22:30:29 2019 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,171 +0,0 @@
-/*
- * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
- *
- * This file is part of Libav.
- *
- * Libav 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.
- *
- * Libav 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 Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * memory handling functions
- */
-
-#ifndef AVUTIL_MEM_H
-#define AVUTIL_MEM_H
-
-#include <limits.h>
-
-#include "attributes.h"
-#include "avutil.h"
-
-/**
- * @addtogroup lavu_mem
- * @{
- */
-
-
-#if defined(__ICC) && __ICC < 1200 || defined(__SUNPRO_C)
-    #define DECLARE_ALIGNED(n,t,v)      t __attribute__ ((aligned (n))) v
-    #define DECLARE_ASM_CONST(n,t,v)    const t __attribute__ ((aligned (n))) v
-#elif defined(__TI_COMPILER_VERSION__)
-    #define DECLARE_ALIGNED(n,t,v)                      \
-        AV_PRAGMA(DATA_ALIGN(v,n))                      \
-        t __attribute__((aligned(n))) v
-    #define DECLARE_ASM_CONST(n,t,v)                    \
-        AV_PRAGMA(DATA_ALIGN(v,n))                      \
-        static const t __attribute__((aligned(n))) v
-#elif defined(__GNUC__)
-    #define DECLARE_ALIGNED(n,t,v)      t __attribute__ ((aligned (n))) v
-    #define DECLARE_ASM_CONST(n,t,v)    static const t av_used __attribute__ ((aligned (n))) v
-#elif defined(_MSC_VER)
-    #define DECLARE_ALIGNED(n,t,v)      __declspec(align(n)) t v
-    #define DECLARE_ASM_CONST(n,t,v)    __declspec(align(n)) static const t v
-#else
-    #define DECLARE_ALIGNED(n,t,v)      t v
-    #define DECLARE_ASM_CONST(n,t,v)    static const t v
-#endif
-
-#if AV_GCC_VERSION_AT_LEAST(3,1)
-    #define av_malloc_attrib __attribute__((__malloc__))
-#else
-    #define av_malloc_attrib
-#endif
-
-#if AV_GCC_VERSION_AT_LEAST(4,3)
-    #define av_alloc_size(...) __attribute__((alloc_size(__VA_ARGS__)))
-#else
-    #define av_alloc_size(...)
-#endif
-
-/**
- * Allocate a block of size bytes with alignment suitable for all
- * memory accesses (including vectors if available on the CPU).
- * @param size Size in bytes for the memory block to be allocated.
- * @return Pointer to the allocated block, NULL if the block cannot
- * be allocated.
- * @see av_mallocz()
- */
-void *av_malloc(size_t size) av_malloc_attrib av_alloc_size(1);
-
-/**
- * Helper function to allocate a block of size * nmemb bytes with
- * using av_malloc()
- * @param nmemb Number of elements
- * @param size Size of the single element
- * @return Pointer to the allocated block, NULL if the block cannot
- * be allocated.
- * @see av_malloc()
- */
-av_alloc_size(1, 2) static inline void *av_malloc_array(size_t nmemb, size_t size)
-{
-    if (size <= 0 || nmemb >= INT_MAX / size)
-        return NULL;
-    return av_malloc(nmemb * size);
-}
-
-/**
- * Allocate or reallocate a block of memory.
- * If ptr is NULL and size > 0, allocate a new block. If
- * size is zero, free the memory block pointed to by ptr.
- * @param ptr Pointer to a memory block already allocated with
- * av_malloc(z)() or av_realloc() or NULL.
- * @param size Size in bytes for the memory block to be allocated or
- * reallocated.
- * @return Pointer to a newly reallocated block or NULL if the block
- * cannot be reallocated or the function is used to free the memory block.
- * @see av_fast_realloc()
- */
-void *av_realloc(void *ptr, size_t size) av_alloc_size(2);
-
-/**
- * Free a memory block which has been allocated with av_malloc(z)() or
- * av_realloc().
- * @param ptr Pointer to the memory block which should be freed.
- * @note ptr = NULL is explicitly allowed.
- * @note It is recommended that you use av_freep() instead.
- * @see av_freep()
- */
-void av_free(void *ptr);
-
-/**
- * Allocate a block of size bytes with alignment suitable for all
- * memory accesses (including vectors if available on the CPU) and
- * zero all the bytes of the block.
- * @param size Size in bytes for the memory block to be allocated.
- * @return Pointer to the allocated block, NULL if it cannot be allocated.
- * @see av_malloc()
- */
-void *av_mallocz(size_t size) av_malloc_attrib av_alloc_size(1);
-
-/**
- * Helper function to allocate a block of size * nmemb bytes with
- * using av_mallocz()
- * @param nmemb Number of elements
- * @param size Size of the single element
- * @return Pointer to the allocated block, NULL if the block cannot
- * be allocated.
- * @see av_mallocz()
- * @see av_malloc_array()
- */
-av_alloc_size(1, 2) static inline void *av_mallocz_array(size_t nmemb, size_t size)
-{
-    if (size <= 0 || nmemb >= INT_MAX / size)
-        return NULL;
-    return av_mallocz(nmemb * size);
-}
-
-/**
- * Duplicate the string s.
- * @param s string to be duplicated
- * @return Pointer to a newly allocated string containing a
- * copy of s or NULL if the string cannot be allocated.
- */
-char *av_strdup(const char *s) av_malloc_attrib;
-
-/**
- * Free a memory block which has been allocated with av_malloc(z)() or
- * av_realloc() and set the pointer pointing to it to NULL.
- * @param ptr Pointer to the pointer to the memory block which should
- * be freed.
- * @see av_free()
- */
-void av_freep(void *ptr);
-
-/**
- * @}
- */
-
-#endif /* AVUTIL_MEM_H */