5 #include <openssl/crypto.h>
11 typedef struct comp_method_st
13 int type
; /* NID for compression library */
14 const char *name
; /* A text string to identify the library */
20 long (*callback_ctrl
)();
23 typedef struct comp_ctx_st
26 unsigned long compress_in
;
27 unsigned long compress_out
;
28 unsigned long expand_in
;
29 unsigned long expand_out
;
31 CRYPTO_EX_DATA ex_data
;
35 COMP_CTX
*COMP_CTX_new(COMP_METHOD
*meth
);
36 void COMP_CTX_free(COMP_CTX
*ctx
);
37 int COMP_compress_block(COMP_CTX
*ctx
, unsigned char *out
, int olen
,
38 unsigned char *in
, int ilen
);
39 int COMP_expand_block(COMP_CTX
*ctx
, unsigned char *out
, int olen
,
40 unsigned char *in
, int ilen
);
41 COMP_METHOD
*COMP_rle(void );
42 COMP_METHOD
*COMP_zlib(void );
44 /* BEGIN ERROR CODES */
45 /* The following lines are auto generated by the script mkerr.pl. Any changes
46 * made after this point may be overwritten when the script is next run.
48 void ERR_load_COMP_strings(void);
50 /* Error codes for the COMP functions. */