/usr/include/openssl/comp.h is in libssl-dev 1.0.1t-1+deb8u8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | #ifndef HEADER_COMP_H
# define HEADER_COMP_H
# include <openssl/crypto.h>
# ifdef OPENSSL_NO_COMP
# error COMP is disabled.
# endif
#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
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