X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fstrverscmp.c;h=f0776516f106cd0f79f8b53e04727f5e70629c4d;hb=e3adb96fc71c48e1d3e638e7e1afadcd3ac0d840;hp=72ca26628b4b1fbe25747d0ff440d77fa8d04a81;hpb=a67c096026b56a9b32c875cc033a04e736439b30;p=gnulib.git diff --git a/lib/strverscmp.c b/lib/strverscmp.c index 72ca26628..f0776516f 100644 --- a/lib/strverscmp.c +++ b/lib/strverscmp.c @@ -1,24 +1,23 @@ /* Compare strings while treating digits characters numerically. - Copyright (C) 1997, 2000 Free Software Foundation, Inc. + Copyright (C) 1997, 2000, 2002, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Jean-Francois Bignolles , 1997. + Contributed by Jean-François Bignolles , 1997. - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + 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 2, or (at your option) + any later version. - The GNU C Library is distributed in the hope that it will be useful, + 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 - Library General Public License for more details. + 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 Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + 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 HAVE_CONFIG_H +#if !_LIBC # include #endif @@ -26,7 +25,7 @@ #include /* states: S_N: normal, S_I: comparing integral part, S_F: comparing - Fractional parts, S_Z: idem but with leading Zeroes only */ + fractional parts, S_Z: idem but with leading Zeroes only */ #define S_N 0x0 #define S_I 0x4 #define S_F 0x8 @@ -36,15 +35,22 @@ #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. - - It's guaranteed to evaluate its argument exactly once. + - Its arg may be any int or unsigned int; it need not be an unsigned char + or EOF. - It's typically faster. - Posix 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 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) (c) - '0' <= 9) + 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, @@ -52,7 +58,7 @@ */ int -strverscmp (const char *s1, const char *s2) +__strverscmp (const char *s1, const char *s2) { const unsigned char *p1 = (const unsigned char *) s1; const unsigned char *p2 = (const unsigned char *) s2; @@ -120,3 +126,6 @@ strverscmp (const char *s1, const char *s2) return state; } } +#ifdef weak_alias +weak_alias (__strverscmp, strverscmp) +#endif