From 3e4d8f433239c40311037616b1b8833a06651ae0 Mon Sep 17 00:00:00 2001 From: Arne Schwabe Date: Mon, 16 Apr 2012 19:21:14 +0200 Subject: Initial import --- openssl/crypto/comp/comp.h | 80 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 openssl/crypto/comp/comp.h (limited to 'openssl/crypto/comp/comp.h') diff --git a/openssl/crypto/comp/comp.h b/openssl/crypto/comp/comp.h new file mode 100644 index 00000000..4b405c7d --- /dev/null +++ b/openssl/crypto/comp/comp.h @@ -0,0 +1,80 @@ + +#ifndef HEADER_COMP_H +#define HEADER_COMP_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct comp_ctx_st COMP_CTX; + +typedef struct comp_method_st + { + int type; /* NID for compression library */ + const char *name; /* A text string to identify the library */ + int (*init)(COMP_CTX *ctx); + void (*finish)(COMP_CTX *ctx); + int (*compress)(COMP_CTX *ctx, + unsigned char *out, unsigned int olen, + unsigned char *in, unsigned int ilen); + int (*expand)(COMP_CTX *ctx, + unsigned char *out, unsigned int olen, + unsigned char *in, unsigned int ilen); + /* The following two do NOTHING, but are kept for backward compatibility */ + long (*ctrl)(void); + long (*callback_ctrl)(void); + } COMP_METHOD; + +struct comp_ctx_st + { + COMP_METHOD *meth; + unsigned long compress_in; + unsigned long compress_out; + unsigned long expand_in; + unsigned long expand_out; + + CRYPTO_EX_DATA ex_data; + }; + + +COMP_CTX *COMP_CTX_new(COMP_METHOD *meth); +void COMP_CTX_free(COMP_CTX *ctx); +int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, + unsigned char *in, int ilen); +int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, + unsigned char *in, int ilen); +COMP_METHOD *COMP_rle(void ); +COMP_METHOD *COMP_zlib(void ); +void COMP_zlib_cleanup(void); + +#ifdef HEADER_BIO_H +#ifdef ZLIB +BIO_METHOD *BIO_f_zlib(void); +#endif +#endif + +/* BEGIN ERROR CODES */ +/* The following lines are auto generated by the script mkerr.pl. Any changes + * made after this point may be overwritten when the script is next run. + */ +void ERR_load_COMP_strings(void); + +/* Error codes for the COMP functions. */ + +/* Function codes. */ +#define COMP_F_BIO_ZLIB_FLUSH 99 +#define COMP_F_BIO_ZLIB_NEW 100 +#define COMP_F_BIO_ZLIB_READ 101 +#define COMP_F_BIO_ZLIB_WRITE 102 + +/* Reason codes. */ +#define COMP_R_ZLIB_DEFLATE_ERROR 99 +#define COMP_R_ZLIB_INFLATE_ERROR 100 +#define COMP_R_ZLIB_NOT_SUPPORTED 101 + +#ifdef __cplusplus +} +#endif +#endif -- cgit v1.2.3