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
39inline 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
51inline 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
60inline int strnicmp(const char* string1, const char* string2, size_t count)
61{
62 return _strnicmp(string1, string2, count);
63}
64
65inline int stricmp(const char* string1, const char* string2)
66{
67 return _stricmp(string1, string2);
68}
69
70inline char* strdup(const char* strSource)
71{
72 return _strdup(strSource);
73}
74
75#endif
76
77inline int strncasecmp(const char* s1, const char* s2, size_t len)
78{
79 return _strnicmp(s1, s2, len);
80}
81
82inline 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
92inline 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
108int strcasecmp(const char* s1, const char* s2);
109int strncasecmp(const char* s1, const char* s2, size_t len);
110
111#endif
112
113#endif // WTF_StringExtras_h
114