1 /* 2 ** OSSP uuid - Universally Unique Identifier 3 ** Copyright (c) 2004-2008 Ralf S. Engelschall <rse@engelschall.com> 4 ** Copyright (c) 2004-2008 The OSSP Project <http://www.ossp.org/> 5 ** 6 ** This file is part of OSSP uuid, a library for the generation 7 ** of UUIDs which can found at http://www.ossp.org/pkg/lib/uuid/ 8 ** 9 ** Permission to use, copy, modify, and distribute this software for 10 ** any purpose with or without fee is hereby granted, provided that 11 ** the above copyright notice and this permission notice appear in all 12 ** copies. 13 ** 14 ** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 15 ** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 16 ** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 ** IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR 18 ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 20 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 21 ** USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 22 ** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 ** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 24 ** OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 ** SUCH DAMAGE. 26 ** 27 ** uuid_prng.h: PRNG API definition 28 */ 29 30 #ifndef __PRNG_H___ 31 #define __PRNG_H___ 32 33 #include <string.h> /* size_t */ 34 35 #define PRNG_PREFIX uuid_ 36 37 /* embedding support */ 38 #ifdef PRNG_PREFIX 39 #if defined(__STDC__) || defined(__cplusplus) 40 #define __PRNG_CONCAT(x,y) x ## y 41 #define PRNG_CONCAT(x,y) __PRNG_CONCAT(x,y) 42 #else 43 #define __PRNG_CONCAT(x) x 44 #define PRNG_CONCAT(x,y) __PRNG_CONCAT(x)y 45 #endif 46 #define prng_st PRNG_CONCAT(PRNG_PREFIX,prng_st) 47 #define prng_t PRNG_CONCAT(PRNG_PREFIX,prng_t) 48 #define prng_create PRNG_CONCAT(PRNG_PREFIX,prng_create) 49 #define prng_data PRNG_CONCAT(PRNG_PREFIX,prng_data) 50 #define prng_destroy PRNG_CONCAT(PRNG_PREFIX,prng_destroy) 51 #endif 52 53 struct prng_st; 54 typedef struct prng_st prng_t; 55 56 typedef enum { 57 PRNG_RC_OK = 0, 58 PRNG_RC_ARG = 1, 59 PRNG_RC_MEM = 2, 60 PRNG_RC_INT = 3 61 } prng_rc_t; 62 63 extern prng_rc_t prng_create (prng_t **prng); 64 extern prng_rc_t prng_data (prng_t *prng, void *data_ptr, size_t data_len); 65 extern prng_rc_t prng_destroy (prng_t *prng); 66 67 #endif /* __PRNG_H___ */ 68 69