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62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/* Low level interface to the Zstandard algorthm & the zstd library. */
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/* Declarations shared between different parts of the _zstd module*/
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#ifndef ZSTD_MODULE_H
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#define ZSTD_MODULE_H
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#include "zstddict.h"
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/* Type specs */
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extern TyType_Spec zstd_dict_type_spec;
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extern TyType_Spec zstd_compressor_type_spec;
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extern TyType_Spec zstd_decompressor_type_spec;
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typedef struct {
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/* Module heap types. */
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TyTypeObject *ZstdDict_type;
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TyTypeObject *ZstdCompressor_type;
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TyTypeObject *ZstdDecompressor_type;
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TyObject *ZstdError;
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/* enum types set by set_parameter_types. */
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TyTypeObject *CParameter_type;
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TyTypeObject *DParameter_type;
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} _zstd_state;
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typedef enum {
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ERR_DECOMPRESS,
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ERR_COMPRESS,
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ERR_SET_PLEDGED_INPUT_SIZE,
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ERR_LOAD_D_DICT,
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ERR_LOAD_C_DICT,
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ERR_GET_C_BOUNDS,
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ERR_GET_D_BOUNDS,
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ERR_SET_C_LEVEL,
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ERR_TRAIN_DICT,
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ERR_FINALIZE_DICT,
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} error_type;
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typedef enum {
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DICT_TYPE_DIGESTED = 0,
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DICT_TYPE_UNDIGESTED = 1,
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DICT_TYPE_PREFIX = 2
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} dictionary_type;
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extern ZstdDict *
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_Ty_parse_zstd_dict(const _zstd_state *state,
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TyObject *dict, int *type);
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/* Format error message and set ZstdError. */
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extern void
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set_zstd_error(const _zstd_state *state,
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error_type type, size_t zstd_ret);
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extern void
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set_parameter_error(int is_compress, int key_v, int value_v);
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#endif // !ZSTD_MODULE_H
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