diff options
author | Jeff Morriss <jeff.morriss@ulticom.com> | 2010-05-28 20:19:55 +0000 |
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committer | Jeff Morriss <jeff.morriss@ulticom.com> | 2010-05-28 20:19:55 +0000 |
commit | 47e2d75820ee02066a61e341034aace6d28063c1 (patch) | |
tree | d70498d786146b2e819ee680cc26ba8c90fd167e /wsutil/strncasecmp.c | |
parent | 17807a6b21c50a72e3bc11ddf0ff7bc2b313823a (diff) |
Move some code (including the optional objects) into libwsutil
svn path=/trunk/; revision=33012
Diffstat (limited to 'wsutil/strncasecmp.c')
-rw-r--r-- | wsutil/strncasecmp.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/wsutil/strncasecmp.c b/wsutil/strncasecmp.c new file mode 100644 index 0000000000..a679e85c14 --- /dev/null +++ b/wsutil/strncasecmp.c @@ -0,0 +1,46 @@ +/* Copyright (C) 1992, 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +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. + +The GNU C 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 +Library 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <string.h> +#include <ctype.h> + +/* Compare no more than N characters of S1 and S2, + ignoring case, returning less than, equal to or + greater than zero if S1 is lexicographically less + than, equal to or greater than S2. */ +int +strncasecmp (const char *s1, const char *s2, size_t 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; +} |