ossp-pkg/uuid/uuid_prng.h
1.7
/*
** OSSP uuid - Universally Unique Identifier
** Copyright (c) 2004-2008 Ralf S. Engelschall <rse@engelschall.com>
** Copyright (c) 2004-2008 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_prng.h: PRNG API definition
*/
#ifndef __PRNG_H___
#define __PRNG_H___
#include <string.h> /* size_t */
#define PRNG_PREFIX uuid_
/* embedding support */
#ifdef PRNG_PREFIX
#if defined(__STDC__) || defined(__cplusplus)
#define __PRNG_CONCAT(x,y) x ## y
#define PRNG_CONCAT(x,y) __PRNG_CONCAT(x,y)
#else
#define __PRNG_CONCAT(x) x
#define PRNG_CONCAT(x,y) __PRNG_CONCAT(x)y
#endif
#define prng_st PRNG_CONCAT(PRNG_PREFIX,prng_st)
#define prng_t PRNG_CONCAT(PRNG_PREFIX,prng_t)
#define prng_create PRNG_CONCAT(PRNG_PREFIX,prng_create)
#define prng_data PRNG_CONCAT(PRNG_PREFIX,prng_data)
#define prng_destroy PRNG_CONCAT(PRNG_PREFIX,prng_destroy)
#endif
struct prng_st;
typedef struct prng_st prng_t;
typedef enum {
PRNG_RC_OK = 0,
PRNG_RC_ARG = 1,
PRNG_RC_MEM = 2,
PRNG_RC_INT = 3
} prng_rc_t;
extern prng_rc_t prng_create (prng_t **prng);
extern prng_rc_t prng_data (prng_t *prng, void *data_ptr, size_t data_len);
extern prng_rc_t prng_destroy (prng_t *prng);
#endif /* __PRNG_H___ */
