diff options
Diffstat (limited to 'crypto/comp/comp.h')
| -rw-r--r-- | crypto/comp/comp.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/crypto/comp/comp.h b/crypto/comp/comp.h new file mode 100644 index 0000000000..00af0622b9 --- /dev/null +++ b/crypto/comp/comp.h @@ -0,0 +1,64 @@ + +#ifndef HEADER_COMP_H +#define HEADER_COMP_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include "crypto.h" + +typedef struct comp_method_st + { + int type; /* NID for compression library */ + char *name; /* A text string to identify the library */ + int (*init)(); + void (*finish)(); + int (*compress)(); + int (*expand)(); + long (*ctrl)(); + } COMP_METHOD; + +typedef 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; + +#ifndef NOPROTO + +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 ); +#ifdef ZLIB +COMP_METHOD *COMP_zlib(void ); +#endif + +#else + +COMP_CTX *COMP_CTX_new(); +void COMP_CTX_free(); +int COMP_compress_block(); +int COMP_expand_block(); +COMP_METHOD *COMP_rle(); +#ifdef ZLIB +COMP_METHOD *COMP_zlib(); +#endif + +#endif +/* BEGIN ERROR CODES */ + +#ifdef __cplusplus +} +#endif +#endif + |