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/**
@file lzma.h
This service provides dynamic access to LZMA.
*/
#ifndef LZMA_INCLUDED
#ifdef __cplusplus
extern "C" {
#endif
#ifndef MYSQL_ABI_CHECK
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
#endif
#ifndef MYSQL_DYNAMIC_PLUGIN
#define provider_service_lzma provider_service_lzma_static
#endif
#ifndef LZMA_VERSION
typedef enum
{
LZMA_OK = 0,
LZMA_STREAM_END = 1,
LZMA_NO_CHECK = 2,
LZMA_UNSUPPORTED_CHECK = 3,
LZMA_GET_CHECK = 4,
LZMA_MEM_ERROR = 5,
LZMA_MEMLIMIT_ERROR = 6,
LZMA_FORMAT_ERROR = 7,
LZMA_OPTIONS_ERROR = 8,
LZMA_DATA_ERROR = 9,
LZMA_BUF_ERROR = 10,
LZMA_PROG_ERROR = 11,
} lzma_ret;
typedef struct
{
void *(*alloc)(void *opaque, size_t nmemb, size_t size);
void (*free)(void *opaque, void *ptr);
void *opaque;
} lzma_allocator;
typedef enum
{
LZMA_CHECK_NONE = 0,
LZMA_CHECK_CRC32 = 1,
LZMA_CHECK_CRC64 = 4,
LZMA_CHECK_SHA256 = 10
} lzma_check;
#define lzma_stream_buffer_decode(...) provider_service_lzma->lzma_stream_buffer_decode_ptr (__VA_ARGS__)
#define lzma_easy_buffer_encode(...) provider_service_lzma->lzma_easy_buffer_encode_ptr (__VA_ARGS__)
#elif LZMA_VERSION < 50010030
#define lzma_maybe_const
#endif
#ifndef lzma_maybe_const
#define lzma_maybe_const const
#endif
#define DEFINE_lzma_stream_buffer_decode(NAME) NAME( \
uint64_t *memlimit, \
uint32_t flags, \
lzma_maybe_const lzma_allocator *allocator, \
const uint8_t *in, \
size_t *in_pos, \
size_t in_size, \
uint8_t *out, \
size_t *out_pos, \
size_t out_size \
)
#define DEFINE_lzma_easy_buffer_encode(NAME) NAME( \
uint32_t preset, \
lzma_check check, \
lzma_maybe_const lzma_allocator *allocator, \
const uint8_t *in, \
size_t in_size, \
uint8_t *out, \
size_t *out_pos, \
size_t out_size \
)
struct provider_service_lzma_st
{
lzma_ret DEFINE_lzma_stream_buffer_decode((*lzma_stream_buffer_decode_ptr));
lzma_ret DEFINE_lzma_easy_buffer_encode((*lzma_easy_buffer_encode_ptr));
bool is_loaded;
};
extern struct provider_service_lzma_st *provider_service_lzma;
#ifdef __cplusplus
}
#endif
#define LZMA_INCLUDED
#endif
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