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uuid.h
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/* * Public include file for the UUID library * * Copyright (C) 1996, 1997, 1998 Theodore Ts'o. * * %Begin-Header% * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, and the entire permission notice in its entirety, * including the disclaimer of warranties. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 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 NOT ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE. * %End-Header% */ #ifndef _UUID_UUID_H #define _UUID_UUID_H #include <sys/types.h> #ifndef _WIN32 #include <sys/time.h> #endif #include <time.h> typedef unsigned char uuid_t[16]; /* UUID Variant definitions */ #define UUID_VARIANT_NCS 0 #define UUID_VARIANT_DCE 1 #define UUID_VARIANT_MICROSOFT 2 #define UUID_VARIANT_OTHER 3 #define UUID_VARIANT_SHIFT 5 #define UUID_VARIANT_MASK 0x7 /* UUID Type definitions */ #define UUID_TYPE_DCE_TIME 1 #define UUID_TYPE_DCE_SECURITY 2 #define UUID_TYPE_DCE_MD5 3 #define UUID_TYPE_DCE_RANDOM 4 #define UUID_TYPE_DCE_SHA1 5 #define UUID_TYPE_SHIFT 4 #define UUID_TYPE_MASK 0xf #define UUID_STR_LEN 37 /* Allow UUID constants to be defined */ #ifdef __GNUC__ #define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \ static const uuid_t name __attribute__ ((unused)) = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15} #else #define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \ static const uuid_t name = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15} #endif #ifdef __cplusplus extern "C" { #endif /* clear.c */ extern void uuid_clear(uuid_t uu); /* compare.c */ extern int uuid_compare(const uuid_t uu1, const uuid_t uu2); /* copy.c */ extern void uuid_copy(uuid_t dst, const uuid_t src); /* gen_uuid.c */ extern void uuid_generate(uuid_t out); extern void uuid_generate_random(uuid_t out); extern void uuid_generate_time(uuid_t out); extern int uuid_generate_time_safe(uuid_t out); extern void uuid_generate_md5(uuid_t out, const uuid_t ns, const char *name, size_t len); extern void uuid_generate_sha1(uuid_t out, const uuid_t ns, const char *name, size_t len); /* isnull.c */ extern int uuid_is_null(const uuid_t uu); /* parse.c */ extern int uuid_parse(const char *in, uuid_t uu); /* unparse.c */ extern void uuid_unparse(const uuid_t uu, char *out); extern void uuid_unparse_lower(const uuid_t uu, char *out); extern void uuid_unparse_upper(const uuid_t uu, char *out); /* uuid_time.c */ extern time_t uuid_time(const uuid_t uu, struct timeval *ret_tv); extern int uuid_type(const uuid_t uu); extern int uuid_variant(const uuid_t uu); /* predefined.c */ extern const uuid_t *uuid_get_template(const char *alias); #ifdef __cplusplus } #endif #endif /* _UUID_UUID_H */