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Diffstat (limited to 'shared/ossp_uuid/uuid_ui64.h')
| -rw-r--r-- | shared/ossp_uuid/uuid_ui64.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/shared/ossp_uuid/uuid_ui64.h b/shared/ossp_uuid/uuid_ui64.h new file mode 100644 index 00000000..03119881 --- /dev/null +++ b/shared/ossp_uuid/uuid_ui64.h @@ -0,0 +1,113 @@ +/* +** OSSP ui64 - 64-Bit Arithmetic +** Copyright (c) 2002-2005 Ralf S. Engelschall <rse@engelschall.com> +** Copyright (c) 2002-2005 The OSSP Project <http://www.ossp.org/> +** +** This file is part of OSSP ui64, a 64-bit arithmetic library +** which can be found at http://www.ossp.org/pkg/lib/ui64/. +** +** 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. +** +** ui64.h: API declaration +*/ + +#ifndef __UI64_H__ +#define __UI64_H__ + +#include <string.h> + +#define UI64_PREFIX uuid_ + +/* embedding support */ +#ifdef UI64_PREFIX +#if defined(__STDC__) || defined(__cplusplus) +#define __UI64_CONCAT(x,y) x ## y +#define UI64_CONCAT(x,y) __UI64_CONCAT(x,y) +#else +#define __UI64_CONCAT(x) x +#define UI64_CONCAT(x,y) __UI64_CONCAT(x)y +#endif +#define ui64_t UI64_CONCAT(UI64_PREFIX,ui64_t) +#define ui64_zero UI64_CONCAT(UI64_PREFIX,ui64_zero) +#define ui64_max UI64_CONCAT(UI64_PREFIX,ui64_max) +#define ui64_n2i UI64_CONCAT(UI64_PREFIX,ui64_n2i) +#define ui64_i2n UI64_CONCAT(UI64_PREFIX,ui64_i2n) +#define ui64_s2i UI64_CONCAT(UI64_PREFIX,ui64_s2i) +#define ui64_i2s UI64_CONCAT(UI64_PREFIX,ui64_i2s) +#define ui64_add UI64_CONCAT(UI64_PREFIX,ui64_add) +#define ui64_addn UI64_CONCAT(UI64_PREFIX,ui64_addn) +#define ui64_sub UI64_CONCAT(UI64_PREFIX,ui64_sub) +#define ui64_subn UI64_CONCAT(UI64_PREFIX,ui64_subn) +#define ui64_mul UI64_CONCAT(UI64_PREFIX,ui64_mul) +#define ui64_muln UI64_CONCAT(UI64_PREFIX,ui64_muln) +#define ui64_div UI64_CONCAT(UI64_PREFIX,ui64_div) +#define ui64_divn UI64_CONCAT(UI64_PREFIX,ui64_divn) +#define ui64_and UI64_CONCAT(UI64_PREFIX,ui64_and) +#define ui64_or UI64_CONCAT(UI64_PREFIX,ui64_or) +#define ui64_xor UI64_CONCAT(UI64_PREFIX,ui64_xor) +#define ui64_not UI64_CONCAT(UI64_PREFIX,ui64_not) +#define ui64_rol UI64_CONCAT(UI64_PREFIX,ui64_rol) +#define ui64_ror UI64_CONCAT(UI64_PREFIX,ui64_ror) +#define ui64_len UI64_CONCAT(UI64_PREFIX,ui64_len) +#define ui64_cmp UI64_CONCAT(UI64_PREFIX,ui64_cmp) +#endif + +typedef struct { + unsigned char x[8]; /* x_0, ..., x_7 */ +} ui64_t; + +#define ui64_cons(x7,x6,x5,x4,x3,x2,x1,x0) \ + { { 0x##x0, 0x##x1, 0x##x2, 0x##x3, 0x##x4, 0x##x5, 0x##x6, 0x##x7 } } + +/* particular values */ +extern ui64_t ui64_zero (void); +extern ui64_t ui64_max (void); + +/* import and export via ISO-C "unsigned long" */ +extern ui64_t ui64_n2i (unsigned long n); +extern unsigned long ui64_i2n (ui64_t x); + +/* import and export via ISO-C string of arbitrary base */ +extern ui64_t ui64_s2i (const char *str, char **end, int base); +extern char * ui64_i2s (ui64_t x, char *str, size_t len, int base); + +/* arithmetical operations */ +extern ui64_t ui64_add (ui64_t x, ui64_t y, ui64_t *ov); +extern ui64_t ui64_addn (ui64_t x, int y, int *ov); +extern ui64_t ui64_sub (ui64_t x, ui64_t y, ui64_t *ov); +extern ui64_t ui64_subn (ui64_t x, int y, int *ov); +extern ui64_t ui64_mul (ui64_t x, ui64_t y, ui64_t *ov); +extern ui64_t ui64_muln (ui64_t x, int y, int *ov); +extern ui64_t ui64_div (ui64_t x, ui64_t y, ui64_t *ov); +extern ui64_t ui64_divn (ui64_t x, int y, int *ov); + +/* bit operations */ +extern ui64_t ui64_and (ui64_t x, ui64_t y); +extern ui64_t ui64_or (ui64_t x, ui64_t y); +extern ui64_t ui64_xor (ui64_t x, ui64_t y); +extern ui64_t ui64_not (ui64_t x); +extern ui64_t ui64_rol (ui64_t x, int s, ui64_t *ov); +extern ui64_t ui64_ror (ui64_t x, int s, ui64_t *ov); + +/* other operations */ +extern int ui64_len (ui64_t x); +extern int ui64_cmp (ui64_t x, ui64_t y); + +#endif /* __UI64_H__ */ + |