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 # if _MSC_VER < 1900
snprintf(char * buffer,size_t count,const char * format,...)40 inline int snprintf(char* buffer, size_t count, const char* format, ...)
41 {
42 int result;
43 va_list args;
44 va_start(args, format);
45 result = _vsnprintf(buffer, count, format, args);
46 va_end(args);
47 return result;
48 }
49 # endif // _MSC_VER < 1900
50
51 #if COMPILER(MSVC7) || OS(WINCE)
52
vsnprintf(char * buffer,size_t count,const char * format,va_list args)53 inline int vsnprintf(char* buffer, size_t count, const char* format, va_list args)
54 {
55 return _vsnprintf(buffer, count, format, args);
56 }
57
58 #endif
59
60 #if OS(WINCE)
61
strnicmp(const char * string1,const char * string2,size_t count)62 inline int strnicmp(const char* string1, const char* string2, size_t count)
63 {
64 return _strnicmp(string1, string2, count);
65 }
66
stricmp(const char * string1,const char * string2)67 inline int stricmp(const char* string1, const char* string2)
68 {
69 return _stricmp(string1, string2);
70 }
71
strdup(const char * strSource)72 inline char* strdup(const char* strSource)
73 {
74 return _strdup(strSource);
75 }
76
77 #endif
78
strncasecmp(const char * s1,const char * s2,size_t len)79 inline int strncasecmp(const char* s1, const char* s2, size_t len)
80 {
81 return _strnicmp(s1, s2, len);
82 }
83
strcasecmp(const char * s1,const char * s2)84 inline int strcasecmp(const char* s1, const char* s2)
85 {
86 return _stricmp(s1, s2);
87 }
88
89 #endif
90
91 #if OS(WINDOWS) || OS(LINUX) || OS(SOLARIS)
92 // FIXME: should check HAVE_STRNSTR
93
strnstr(const char * buffer,const char * target,size_t bufferLength)94 inline char* strnstr(const char* buffer, const char* target, size_t bufferLength)
95 {
96 size_t targetLength = strlen(target);
97 if (targetLength == 0)
98 return const_cast<char*>(buffer);
99 for (const char* start = buffer; *start && start + targetLength <= buffer + bufferLength; start++) {
100 if (*start == *target && strncmp(start + 1, target + 1, targetLength - 1) == 0)
101 return const_cast<char*>(start);
102 }
103 return 0;
104 }
105
106 #endif
107
108 #if COMPILER(RVCT) && __ARMCC_VERSION < 400000
109
110 int strcasecmp(const char* s1, const char* s2);
111 int strncasecmp(const char* s1, const char* s2, size_t len);
112
113 #endif
114
115 #endif // WTF_StringExtras_h
116