1 /* 2 * Copyright (C) 2006 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef WTF_StringExtras_h 27 #define WTF_StringExtras_h 28 29 #include <stdarg.h> 30 #include <stdio.h> 31 32 #if HAVE(STRINGS_H) 33 #include <strings.h> 34 #endif 35 36 #if COMPILER(MSVC) 37 // FIXME: why a COMPILER check instead of OS? also, these should be HAVE checks 38 39 inline int snprintf(char* buffer, size_t count, const char* format, ...) 40 { 41 int result; 42 va_list args; 43 va_start(args, format); 44 result = _vsnprintf(buffer, count, format, args); 45 va_end(args); 46 return result; 47 } 48 49 #if COMPILER(MSVC7) || OS(WINCE) 50 51 inline int vsnprintf(char* buffer, size_t count, const char* format, va_list args) 52 { 53 return _vsnprintf(buffer, count, format, args); 54 } 55 56 #endif 57 58 #if OS(WINCE) 59 60 inline int strnicmp(const char* string1, const char* string2, size_t count) 61 { 62 return _strnicmp(string1, string2, count); 63 } 64 65 inline int stricmp(const char* string1, const char* string2) 66 { 67 return _stricmp(string1, string2); 68 } 69 70 inline char* strdup(const char* strSource) 71 { 72 return _strdup(strSource); 73 } 74 75 #endif 76 77 inline int strncasecmp(const char* s1, const char* s2, size_t len) 78 { 79 return _strnicmp(s1, s2, len); 80 } 81 82 inline int strcasecmp(const char* s1, const char* s2) 83 { 84 return _stricmp(s1, s2); 85 } 86 87 #endif 88 89 #if OS(WINDOWS) || OS(LINUX) || OS(SOLARIS) 90 // FIXME: should check HAVE_STRNSTR 91 92 inline char* strnstr(const char* buffer, const char* target, size_t bufferLength) 93 { 94 size_t targetLength = strlen(target); 95 if (targetLength == 0) 96 return const_cast<char*>(buffer); 97 for (const char* start = buffer; *start && start + targetLength <= buffer + bufferLength; start++) { 98 if (*start == *target && strncmp(start + 1, target + 1, targetLength - 1) == 0) 99 return const_cast<char*>(start); 100 } 101 return 0; 102 } 103 104 #endif 105 106 #if COMPILER(RVCT) && __ARMCC_VERSION < 400000 107 108 int strcasecmp(const char* s1, const char* s2); 109 int strncasecmp(const char* s1, const char* s2, size_t len); 110 111 #endif 112 113 #endif // WTF_StringExtras_h 114