diff options
author | Karl Berry <karl@freefriends.org> | 2006-01-17 21:41:51 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2006-01-17 21:41:51 +0000 |
commit | 487ca4806cc046076293cf6cc5fbba0db282bac7 (patch) | |
tree | 847b412ab5158dd7bdd7ed7e5a4cc3fbca94be32 /Build/source/texk/kpathsea/strcasecmp.c | |
parent | a3d3111bfe26b8e5f5bc6049dfb2a4ca2edc7881 (diff) |
texk 1
git-svn-id: svn://tug.org/texlive/trunk@1485 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/kpathsea/strcasecmp.c')
-rw-r--r-- | Build/source/texk/kpathsea/strcasecmp.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Build/source/texk/kpathsea/strcasecmp.c b/Build/source/texk/kpathsea/strcasecmp.c new file mode 100644 index 00000000000..23c1638d9e6 --- /dev/null +++ b/Build/source/texk/kpathsea/strcasecmp.c @@ -0,0 +1,86 @@ +/* strcasecmp.c - case-insensitive strcmp + + Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc. + This file was part of the GNU C Library. Modified by kb@mail.tug.org to + avoid glibc-isms. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +*/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#if !defined (__STDC__) || !__STDC__ +/* This is a separate conditional since some stdc systems + reject `defined (const)'. */ +#ifndef const +#define const +#endif +#endif + +#include <ctype.h> + +/* Compare S1 and S2, ignoring case, returning less than, equal to or + greater than zero if S1 is lexiographically less than, + equal to or greater than S2. */ +int +strcasecmp (s1, s2) + const char *s1; + const char *s2; +{ + register const unsigned char *p1 = (const unsigned char *) s1; + register const unsigned char *p2 = (const unsigned char *) s2; + unsigned char c1, c2; + + if (p1 == p2) + return 0; + + do + { + c1 = tolower (*p1++); + c2 = tolower (*p2++); + if (c1 == '\0') + break; + } + while (c1 == c2); + + return c1 - c2; +} + +int +strncasecmp (s1, s2, n) + const char *s1; + const char *s2; + unsigned n; +{ + register const unsigned char *p1 = (const unsigned char *) s1; + register const unsigned char *p2 = (const unsigned char *) s2; + unsigned char c1, c2; + + if (p1 == p2 || n == 0) + return 0; + + do + { + c1 = tolower (*p1++); + c2 = tolower (*p2++); + if (c1 == '\0' || c1 != c2) + return c1 - c2; + } while (--n > 0); + + return c1 - c2; +} |