diff options
Diffstat (limited to 'shared/ossp_uuid/uuid_ui128.h')
| -rw-r--r-- | shared/ossp_uuid/uuid_ui128.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/shared/ossp_uuid/uuid_ui128.h b/shared/ossp_uuid/uuid_ui128.h new file mode 100644 index 00000000..4e19c9b2 --- /dev/null +++ b/shared/ossp_uuid/uuid_ui128.h @@ -0,0 +1,114 @@ +/* +** OSSP ui128 - 128-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 ui128, a 128-bit arithmetic library +** which can be found at http://www.ossp.org/pkg/lib/ui128/. +** +** 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. +** +** ui128.h: API declaration +*/ + +#ifndef __UI128_H__ +#define __UI128_H__ + +#include <string.h> + +#define UI128_PREFIX uuid_ + +/* embedding support */ +#ifdef UI128_PREFIX +#if defined(__STDC__) || defined(__cplusplus) +#define __UI128_CONCAT(x,y) x ## y +#define UI128_CONCAT(x,y) __UI128_CONCAT(x,y) +#else +#define __UI128_CONCAT(x) x +#define UI128_CONCAT(x,y) __UI128_CONCAT(x)y +#endif +#define ui128_t UI128_CONCAT(UI128_PREFIX,ui128_t) +#define ui128_zero UI128_CONCAT(UI128_PREFIX,ui128_zero) +#define ui128_max UI128_CONCAT(UI128_PREFIX,ui128_max) +#define ui128_n2i UI128_CONCAT(UI128_PREFIX,ui128_n2i) +#define ui128_i2n UI128_CONCAT(UI128_PREFIX,ui128_i2n) +#define ui128_s2i UI128_CONCAT(UI128_PREFIX,ui128_s2i) +#define ui128_i2s UI128_CONCAT(UI128_PREFIX,ui128_i2s) +#define ui128_add UI128_CONCAT(UI128_PREFIX,ui128_add) +#define ui128_addn UI128_CONCAT(UI128_PREFIX,ui128_addn) +#define ui128_sub UI128_CONCAT(UI128_PREFIX,ui128_sub) +#define ui128_subn UI128_CONCAT(UI128_PREFIX,ui128_subn) +#define ui128_mul UI128_CONCAT(UI128_PREFIX,ui128_mul) +#define ui128_muln UI128_CONCAT(UI128_PREFIX,ui128_muln) +#define ui128_div UI128_CONCAT(UI128_PREFIX,ui128_div) +#define ui128_divn UI128_CONCAT(UI128_PREFIX,ui128_divn) +#define ui128_and UI128_CONCAT(UI128_PREFIX,ui128_and) +#define ui128_or UI128_CONCAT(UI128_PREFIX,ui128_or) +#define ui128_xor UI128_CONCAT(UI128_PREFIX,ui128_xor) +#define ui128_not UI128_CONCAT(UI128_PREFIX,ui128_not) +#define ui128_rol UI128_CONCAT(UI128_PREFIX,ui128_rol) +#define ui128_ror UI128_CONCAT(UI128_PREFIX,ui128_ror) +#define ui128_len UI128_CONCAT(UI128_PREFIX,ui128_len) +#define ui128_cmp UI128_CONCAT(UI128_PREFIX,ui128_cmp) +#endif + +typedef struct { + unsigned char x[16]; /* x_0, ..., x_15 */ +} ui128_t; + +#define ui128_cons(x15,x14,x13,x12,x11,x10,x9,x8,x7,x6,x5,x4,x3,x2,x1,x0) \ + { { 0x##x0, 0x##x1, 0x##x2, 0x##x3, 0x##x4, 0x##x5, 0x##x6, 0x##x7, \ + { { 0x##x8, 0x##x9, 0x##x10, 0x##x11, 0x##x12, 0x##x13, 0x##x14, 0x##x15 } } + +/* particular values */ +extern ui128_t ui128_zero (void); +extern ui128_t ui128_max (void); + +/* import and export via ISO-C "unsigned long" */ +extern ui128_t ui128_n2i (unsigned long n); +extern unsigned long ui128_i2n (ui128_t x); + +/* import and export via ISO-C string of arbitrary base */ +extern ui128_t ui128_s2i (const char *str, char **end, int base); +extern char * ui128_i2s (ui128_t x, char *str, size_t len, int base); + +/* arithmetical operations */ +extern ui128_t ui128_add (ui128_t x, ui128_t y, ui128_t *ov); +extern ui128_t ui128_addn (ui128_t x, int y, int *ov); +extern ui128_t ui128_sub (ui128_t x, ui128_t y, ui128_t *ov); +extern ui128_t ui128_subn (ui128_t x, int y, int *ov); +extern ui128_t ui128_mul (ui128_t x, ui128_t y, ui128_t *ov); +extern ui128_t ui128_muln (ui128_t x, int y, int *ov); +extern ui128_t ui128_div (ui128_t x, ui128_t y, ui128_t *ov); +extern ui128_t ui128_divn (ui128_t x, int y, int *ov); + +/* bit operations */ +extern ui128_t ui128_and (ui128_t x, ui128_t y); +extern ui128_t ui128_or (ui128_t x, ui128_t y); +extern ui128_t ui128_xor (ui128_t x, ui128_t y); +extern ui128_t ui128_not (ui128_t x); +extern ui128_t ui128_rol (ui128_t x, int s, ui128_t *ov); +extern ui128_t ui128_ror (ui128_t x, int s, ui128_t *ov); + +/* other operations */ +extern int ui128_len (ui128_t x); +extern int ui128_cmp (ui128_t x, ui128_t y); + +#endif /* __UI128_H__ */ + |