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