ossp-pkg/uuid/uuid_md5.h
1.1
/*
** OSSP uuid - Universally Unique Identifier
** Copyright (c) 2004 Ralf S. Engelschall <rse@engelschall.com>
** Copyright (c) 2004 The OSSP Project <http://www.ossp.org/>
**
** This file is part of OSSP uuid, a library for the generation
** of UUIDs which can found at http://www.ossp.org/pkg/lib/uuid/
**
** Permission to use, copy, modify, and distribute this software for
** any purpose with or without fee is hereby granted, provided that
** the above copyright notice and this permission notice appear in all
** copies.
**
** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
** USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
** OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
** SUCH DAMAGE.
**
** uuid_md5.h: MD5 API definition
*/
#ifndef __MD5_H___
#define __MD5_H___
#include <string.h> /* size_t */
#define MD5_PREFIX uuid_
/* embedding support */
#ifdef MD5_PREFIX
#if defined(__STDC__) || defined(__cplusplus)
#define __MD5_CONCAT(x,y) x ## y
#define MD5_CONCAT(x,y) __MD5_CONCAT(x,y)
#else
#define __MD5_CONCAT(x) x
#define MD5_CONCAT(x,y) __MD5_CONCAT(x)y
#endif
#define md5_st MD5_CONCAT(MD5_PREFIX,md5_st)
#define md5_t MD5_CONCAT(MD5_PREFIX,md5_t)
#define md5_create MD5_CONCAT(MD5_PREFIX,md5_create)
#define md5_update MD5_CONCAT(MD5_PREFIX,md5_update)
#define md5_store MD5_CONCAT(MD5_PREFIX,md5_store)
#define md5_format MD5_CONCAT(MD5_PREFIX,md5_format)
#define md5_destroy MD5_CONCAT(MD5_PREFIX,md5_destroy)
#endif
struct md5_st;
typedef struct md5_st md5_t;
#define MD5_LEN_BIN 16
#define MD5_LEN_STR 32
typedef enum {
MD5_RC_OK = 0,
MD5_RC_ARG = 1,
MD5_RC_MEM = 2
} md5_rc_t;
extern md5_rc_t md5_create (md5_t **md5);
extern md5_rc_t md5_update (md5_t *md5, const void *data_ptr, size_t data_len);
extern md5_rc_t md5_store (md5_t *md5, void **data_ptr, size_t *data_len);
extern md5_rc_t md5_format (md5_t *md5, char **data_ptr, size_t *data_len);
extern md5_rc_t md5_destroy (md5_t *md5);
#endif /* __MD5_H___ */
