#ifndef HEADER_COMP_H
#define HEADER_COMP_H
+#include <openssl/crypto.h>
+
#ifdef __cplusplus
extern "C" {
#endif
-#include <openssl/crypto.h>
+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)();
- void (*finish)();
- int (*compress)();
- int (*expand)();
- long (*ctrl)();
+ 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;
-typedef struct comp_ctx_st
+struct comp_ctx_st
{
COMP_METHOD *meth;
unsigned long compress_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_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
+void COMP_zlib_cleanup(void);
-COMP_CTX *COMP_CTX_new();
-void COMP_CTX_free();
-int COMP_compress_block();
-int COMP_expand_block();
-COMP_METHOD *COMP_rle();
+#ifdef HEADER_BIO_H
#ifdef ZLIB
-COMP_METHOD *COMP_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
-