#include "config.h"
#include <limits.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdatomic.h>
#include <string.h>
#include "attributes.h"
#include "avassert.h"
#include "dynarray.h"
#include "error.h"
#include "internal.h"
#include "intreadwrite.h"
#include "macros.h"
#include "mem.h"

Macros
#define	_XOPEN_SOURCE 600

#define	ALIGN (HAVE_AVX512 ? 64 : (HAVE_AVX ? 32 : 16))

Functions
void	av_max_alloc (size_t max)
	Set the maximum size that may be allocated in one block. More...

static int	size_mult (size_t a, size_t b, size_t *r)

void *	av_malloc (size_t size)
	Allocate a memory block with alignment suitable for all memory accesses (including vectors if available on the CPU). More...

void *	av_realloc (void *ptr, size_t size)
	Allocate, reallocate, or free a block of memory. More...

void *	av_realloc_f (void *ptr, size_t nelem, size_t elsize)
	Allocate, reallocate, or free a block of memory. More...

int	av_reallocp (void *ptr, size_t size)
	Allocate, reallocate, or free a block of memory through a pointer to a pointer. More...

void *	av_malloc_array (size_t nmemb, size_t size)

void *	av_realloc_array (void *ptr, size_t nmemb, size_t size)

int	av_reallocp_array (void *ptr, size_t nmemb, size_t size)
	Allocate, reallocate an array through a pointer to a pointer. More...

void	av_free (void *ptr)
	Free a memory block which has been allocated with a function of av_malloc() or av_realloc() family. More...

void	av_freep (void *arg)
	Free a memory block which has been allocated with a function of av_malloc() or av_realloc() family, and set the pointer pointing to it to `NULL`. More...

void *	av_mallocz (size_t size)
	Allocate a memory block with alignment suitable for all memory accesses (including vectors if available on the CPU) and zero all the bytes of the block. More...

void *	av_calloc (size_t nmemb, size_t size)

char *	av_strdup (const char *s)
	Duplicate a string. More...

char *	av_strndup (const char *s, size_t len)
	Duplicate a substring of a string. More...

void *	av_memdup (const void *p, size_t size)
	Duplicate a buffer with av_malloc(). More...

int	av_dynarray_add_nofree (void tab_ptr, int nb_ptr, void *elem)
	Add an element to a dynamic array. More...

void	av_dynarray_add (void tab_ptr, int nb_ptr, void *elem)
	Add the pointer to an element to a dynamic array. More...

void *	av_dynarray2_add (void *tab_ptr, int nb_ptr, size_t elem_size, const uint8_t *elem_data)
	Add an element of size `elem_size` to a dynamic array. More...

static void	fill16 (uint8_t *dst, int len)

static void	fill24 (uint8_t *dst, int len)

static void	fill32 (uint8_t *dst, int len)

void	av_memcpy_backptr (uint8_t *dst, int back, int cnt)
	Overlapping memcpy() implementation. More...

void *	av_fast_realloc (void ptr, unsigned int size, size_t min_size)
	Reallocate the given buffer if it is not large enough, otherwise do nothing. More...

static void	fast_malloc (void ptr, unsigned int size, size_t min_size, int zero_realloc)

void	av_fast_malloc (void ptr, unsigned int size, size_t min_size)
	Allocate a buffer, reusing the given one if large enough. More...

void	av_fast_mallocz (void ptr, unsigned int size, size_t min_size)
	Allocate and clear a buffer, reusing the given one if large enough. More...

int	av_size_mult (size_t a, size_t b, size_t *r)
	Multiply two `size_t` values checking for overflow. More...