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83 lines
2.3 KiB
83 lines
2.3 KiB
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#ifndef HEADER_COMP_H |
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# define HEADER_COMP_H |
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# include <openssl/crypto.h> |
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# ifdef OPENSSL_NO_COMP |
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# error COMP is disabled. |
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# endif |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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typedef struct comp_ctx_st COMP_CTX; |
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typedef struct comp_method_st { |
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int type; /* NID for compression library */ |
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const char *name; /* A text string to identify the library */ |
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int (*init) (COMP_CTX *ctx); |
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void (*finish) (COMP_CTX *ctx); |
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int (*compress) (COMP_CTX *ctx, |
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unsigned char *out, unsigned int olen, |
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unsigned char *in, unsigned int ilen); |
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int (*expand) (COMP_CTX *ctx, |
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unsigned char *out, unsigned int olen, |
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unsigned char *in, unsigned int ilen); |
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/* |
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* The following two do NOTHING, but are kept for backward compatibility |
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*/ |
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long (*ctrl) (void); |
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long (*callback_ctrl) (void); |
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} COMP_METHOD; |
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struct comp_ctx_st { |
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COMP_METHOD *meth; |
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unsigned long compress_in; |
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unsigned long compress_out; |
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unsigned long expand_in; |
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unsigned long expand_out; |
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CRYPTO_EX_DATA ex_data; |
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}; |
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COMP_CTX *COMP_CTX_new(COMP_METHOD *meth); |
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void COMP_CTX_free(COMP_CTX *ctx); |
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int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, |
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unsigned char *in, int ilen); |
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int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, |
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unsigned char *in, int ilen); |
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COMP_METHOD *COMP_rle(void); |
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COMP_METHOD *COMP_zlib(void); |
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void COMP_zlib_cleanup(void); |
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# ifdef HEADER_BIO_H |
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# ifdef ZLIB |
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BIO_METHOD *BIO_f_zlib(void); |
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# endif |
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# endif |
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/* BEGIN ERROR CODES */ |
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/* |
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* The following lines are auto generated by the script mkerr.pl. Any changes |
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* made after this point may be overwritten when the script is next run. |
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*/ |
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void ERR_load_COMP_strings(void); |
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/* Error codes for the COMP functions. */ |
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/* Function codes. */ |
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# define COMP_F_BIO_ZLIB_FLUSH 99 |
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# define COMP_F_BIO_ZLIB_NEW 100 |
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# define COMP_F_BIO_ZLIB_READ 101 |
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# define COMP_F_BIO_ZLIB_WRITE 102 |
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/* Reason codes. */ |
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# define COMP_R_ZLIB_DEFLATE_ERROR 99 |
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# define COMP_R_ZLIB_INFLATE_ERROR 100 |
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# define COMP_R_ZLIB_NOT_SUPPORTED 101 |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif
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