1 /* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */ 2 /* ==================================================================== 3 * Copyright (c) 1999-2004 Carnegie Mellon University. All rights 4 * reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * This work was supported in part by funding from the Defense Advanced 19 * Research Projects Agency and the National Science Foundation of the 20 * United States of America, and the CMU Sphinx Speech Consortium. 21 * 22 * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND 23 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY 26 * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 * ==================================================================== 35 * 36 */ 37 /* 38 * case.h -- Upper/lower case conversion routines 39 * 40 * ********************************************** 41 * CMU ARPA Speech Project 42 * 43 * Copyright (c) 1999 Carnegie Mellon University. 44 * ALL RIGHTS RESERVED. 45 * ********************************************** 46 * 47 * HISTORY 48 * $Log: case.h,v $ 49 * Revision 1.7 2005/06/22 02:58:54 arthchan2003 50 * Added keyword 51 * 52 * Revision 1.3 2005/03/30 01:22:48 archan 53 * Fixed mistakes in last updates. Add 54 * 55 * 56 * 18-Jun-97 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon 57 * Added strcmp_nocase, UPPER_CASE and LOWER_CASE definitions. 58 * 59 * 16-Feb-97 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon 60 * Created. 61 */ 62 63 64 /** 65 * @file case.h 66 * @brief Locale-independent implementation of case swapping operation. 67 * 68 * This function implements ASCII-only case switching and comparison 69 * related operations, which do not depend on the locale and are 70 * guaranteed to exist on all versions of Windows. 71 */ 72 73 #ifndef _LIBUTIL_CASE_H_ 74 #define _LIBUTIL_CASE_H_ 75 76 #include <string.h> 77 78 #include <sphinxbase/prim_type.h> 79 #include <sphinxbase/sphinxbase_export.h> 80 81 #ifdef __cplusplus 82 extern "C" { 83 #endif 84 #if 0 85 /* Fool Emacs. */ 86 } 87 #endif 88 89 /** 90 * Return upper case form for c 91 */ 92 #define UPPER_CASE(c) ((((c) >= 'a') && ((c) <= 'z')) ? (c-32) : c) 93 94 /** 95 * Return lower case form for c 96 */ 97 #define LOWER_CASE(c) ((((c) >= 'A') && ((c) <= 'Z')) ? (c+32) : c) 98 99 100 /** 101 * Convert str to all upper case. 102 * @param str is a string. 103 */ 104 SPHINXBASE_EXPORT 105 void ucase(char *str); 106 107 /** 108 * Convert str to all lower case 109 * @param str is a string. 110 */ 111 SPHINXBASE_EXPORT 112 void lcase(char *str); 113 114 /** 115 * (FIXME! The implementation is incorrect!) 116 * Case insensitive string compare. Return the usual -1, 0, +1, depending on 117 * str1 <, =, > str2 (case insensitive, of course). 118 * @param str1 is the first string. 119 * @param str2 is the second string. 120 */ 121 SPHINXBASE_EXPORT 122 int32 strcmp_nocase(const char *str1, const char *str2); 123 124 /** 125 * Like strcmp_nocase() but with a maximum length. 126 */ 127 SPHINXBASE_EXPORT 128 int32 strncmp_nocase(const char *str1, const char *str2, size_t len); 129 130 131 #ifdef __cplusplus 132 } 133 #endif 134 135 #endif 136