| Index: bison/src/bison/2.4.1/bison-2.4.1-src/lib/strverscmp.c
|
| ===================================================================
|
| --- bison/src/bison/2.4.1/bison-2.4.1-src/lib/strverscmp.c (revision 0)
|
| +++ bison/src/bison/2.4.1/bison-2.4.1-src/lib/strverscmp.c (revision 0)
|
| @@ -0,0 +1,133 @@
|
| +/* -*- buffer-read-only: t -*- vi: set ro: */
|
| +/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
|
| +/* Compare strings while treating digits characters numerically.
|
| + Copyright (C) 1997, 2000, 2002, 2004, 2006 Free Software Foundation, Inc.
|
| + This file is part of the GNU C Library.
|
| + Contributed by Jean-François Bignolles <bignolle@ecoledoc.ibp.fr>, 1997.
|
| +
|
| + This program is free software; you can redistribute it and/or modify
|
| + it under the terms of the GNU General Public License as published by
|
| + the Free Software Foundation; either version 3, or (at your option)
|
| + any later version.
|
| +
|
| + This program is distributed in the hope that it will be useful,
|
| + but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| + GNU General Public License for more details.
|
| +
|
| + You should have received a copy of the GNU General Public License along
|
| + with this program; if not, write to the Free Software Foundation,
|
| + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
|
| +
|
| +#if !_LIBC
|
| +# include <config.h>
|
| +#endif
|
| +
|
| +#include <string.h>
|
| +#include <ctype.h>
|
| +
|
| +/* states: S_N: normal, S_I: comparing integral part, S_F: comparing
|
| + fractional parts, S_Z: idem but with leading Zeroes only */
|
| +#define S_N 0x0
|
| +#define S_I 0x4
|
| +#define S_F 0x8
|
| +#define S_Z 0xC
|
| +
|
| +/* result_type: CMP: return diff; LEN: compare using len_diff/diff */
|
| +#define CMP 2
|
| +#define LEN 3
|
| +
|
| +
|
| +/* ISDIGIT differs from isdigit, as follows:
|
| + - Its arg may be any int or unsigned int; it need not be an unsigned char
|
| + or EOF.
|
| + - It's typically faster.
|
| + POSIX says that only '0' through '9' are digits. Prefer ISDIGIT to
|
| + isdigit unless it's important to use the locale's definition
|
| + of `digit' even when the host does not conform to POSIX. */
|
| +#define ISDIGIT(c) ((unsigned int) (c) - '0' <= 9)
|
| +
|
| +#undef __strverscmp
|
| +#undef strverscmp
|
| +
|
| +#ifndef weak_alias
|
| +# define __strverscmp strverscmp
|
| +#endif
|
| +
|
| +/* Compare S1 and S2 as strings holding indices/version numbers,
|
| + returning less than, equal to or greater than zero if S1 is less than,
|
| + equal to or greater than S2 (for more info, see the texinfo doc).
|
| +*/
|
| +
|
| +int
|
| +__strverscmp (const char *s1, const char *s2)
|
| +{
|
| + const unsigned char *p1 = (const unsigned char *) s1;
|
| + const unsigned char *p2 = (const unsigned char *) s2;
|
| + unsigned char c1, c2;
|
| + int state;
|
| + int diff;
|
| +
|
| + /* Symbol(s) 0 [1-9] others (padding)
|
| + Transition (10) 0 (01) d (00) x (11) - */
|
| + static const unsigned int next_state[] =
|
| + {
|
| + /* state x d 0 - */
|
| + /* S_N */ S_N, S_I, S_Z, S_N,
|
| + /* S_I */ S_N, S_I, S_I, S_I,
|
| + /* S_F */ S_N, S_F, S_F, S_F,
|
| + /* S_Z */ S_N, S_F, S_Z, S_Z
|
| + };
|
| +
|
| + static const int result_type[] =
|
| + {
|
| + /* state x/x x/d x/0 x/- d/x d/d d/0 d/-
|
| + 0/x 0/d 0/0 0/- -/x -/d -/0 -/- */
|
| +
|
| + /* S_N */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP,
|
| + CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP,
|
| + /* S_I */ CMP, -1, -1, CMP, 1, LEN, LEN, CMP,
|
| + 1, LEN, LEN, CMP, CMP, CMP, CMP, CMP,
|
| + /* S_F */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP,
|
| + CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP,
|
| + /* S_Z */ CMP, 1, 1, CMP, -1, CMP, CMP, CMP,
|
| + -1, CMP, CMP, CMP
|
| + };
|
| +
|
| + if (p1 == p2)
|
| + return 0;
|
| +
|
| + c1 = *p1++;
|
| + c2 = *p2++;
|
| + /* Hint: '0' is a digit too. */
|
| + state = S_N | ((c1 == '0') + (ISDIGIT (c1) != 0));
|
| +
|
| + while ((diff = c1 - c2) == 0 && c1 != '\0')
|
| + {
|
| + state = next_state[state];
|
| + c1 = *p1++;
|
| + c2 = *p2++;
|
| + state |= (c1 == '0') + (ISDIGIT (c1) != 0);
|
| + }
|
| +
|
| + state = result_type[state << 2 | ((c2 == '0') + (ISDIGIT (c2) != 0))];
|
| +
|
| + switch (state)
|
| + {
|
| + case CMP:
|
| + return diff;
|
| +
|
| + case LEN:
|
| + while (ISDIGIT (*p1++))
|
| + if (!ISDIGIT (*p2++))
|
| + return 1;
|
| +
|
| + return ISDIGIT (*p2) ? -1 : diff;
|
| +
|
| + default:
|
| + return state;
|
| + }
|
| +}
|
| +#ifdef weak_alias
|
| +weak_alias (__strverscmp, strverscmp)
|
| +#endif
|
|
|
| Property changes on: bison\src\bison\2.4.1\bison-2.4.1-src\lib\strverscmp.c
|
| ___________________________________________________________________
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| Added: svn:eol-style
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| + LF
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