1/* 2 * Copyright (c) 1987, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * $Id: strcasecmp.c,v 12.3 2006/10/11 15:31:21 bostic Exp $ 34 */ 35 36#include "db_config.h" 37 38#include "db_int.h" 39 40/* 41 * strcasecmp -- 42 * Do strcmp(3) in a case-insensitive manner. 43 * 44 * PUBLIC: #ifndef HAVE_STRCASECMP 45 * PUBLIC: int strcasecmp __P((const char *, const char *)); 46 * PUBLIC: #endif 47 */ 48int 49strcasecmp(s1, s2) 50 const char *s1, *s2; 51{ 52 u_char s1ch, s2ch; 53 54 for (;;) { 55 s1ch = *s1++; 56 s2ch = *s2++; 57 if (s1ch >= 'A' && s1ch <= 'Z') /* tolower() */ 58 s1ch += 32; 59 if (s2ch >= 'A' && s2ch <= 'Z') /* tolower() */ 60 s2ch += 32; 61 if (s1ch != s2ch) 62 return (s1ch - s2ch); 63 if (s1ch == '\0') 64 return (0); 65 } 66 /* NOTREACHED */ 67} 68 69/* 70 * strncasecmp -- 71 * Do strncmp(3) in a case-insensitive manner. 72 * 73 * PUBLIC: #ifndef HAVE_STRCASECMP 74 * PUBLIC: int strncasecmp __P((const char *, const char *, size_t)); 75 * PUBLIC: #endif 76 */ 77int 78strncasecmp(s1, s2, n) 79 const char *s1, *s2; 80 register size_t n; 81{ 82 u_char s1ch, s2ch; 83 84 for (; n != 0; --n) { 85 s1ch = *s1++; 86 s2ch = *s2++; 87 if (s1ch >= 'A' && s1ch <= 'Z') /* tolower() */ 88 s1ch += 32; 89 if (s2ch >= 'A' && s2ch <= 'Z') /* tolower() */ 90 s2ch += 32; 91 if (s1ch != s2ch) 92 return (s1ch - s2ch); 93 if (s1ch == '\0') 94 return (0); 95 } 96 return (0); 97} 98