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b37bf2e1 | 1 | /* |
14957cd0 | 2 | * Copyright (C) 2006, 2010 Apple Inc. All rights reserved. |
b37bf2e1 A |
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 | ||
b37bf2e1 | 29 | #include <stdarg.h> |
9dae56ea | 30 | #include <stdio.h> |
14957cd0 | 31 | #include <string.h> |
b37bf2e1 | 32 | |
ba379fdc A |
33 | #if HAVE(STRINGS_H) |
34 | #include <strings.h> | |
35 | #endif | |
36 | ||
b37bf2e1 | 37 | #if COMPILER(MSVC) |
f9bf01c6 | 38 | // FIXME: why a COMPILER check instead of OS? also, these should be HAVE checks |
b37bf2e1 | 39 | |
9dae56ea | 40 | inline int snprintf(char* buffer, size_t count, const char* format, ...) |
b37bf2e1 A |
41 | { |
42 | int result; | |
43 | va_list args; | |
44 | va_start(args, format); | |
9dae56ea | 45 | result = _vsnprintf(buffer, count, format, args); |
b37bf2e1 | 46 | va_end(args); |
14957cd0 A |
47 | |
48 | // In the case where the string entirely filled the buffer, _vsnprintf will not | |
49 | // null-terminate it, but snprintf must. | |
50 | if (count > 0) | |
51 | buffer[count - 1] = '\0'; | |
52 | ||
b37bf2e1 A |
53 | return result; |
54 | } | |
55 | ||
14957cd0 | 56 | inline double wtf_vsnprintf(char* buffer, size_t count, const char* format, va_list args) |
9dae56ea | 57 | { |
14957cd0 A |
58 | int result = _vsnprintf(buffer, count, format, args); |
59 | ||
60 | // In the case where the string entirely filled the buffer, _vsnprintf will not | |
61 | // null-terminate it, but vsnprintf must. | |
62 | if (count > 0) | |
63 | buffer[count - 1] = '\0'; | |
64 | ||
65 | return result; | |
9dae56ea A |
66 | } |
67 | ||
14957cd0 A |
68 | // Work around a difference in Microsoft's implementation of vsnprintf, where |
69 | // vsnprintf does not null terminate the buffer. WebKit can rely on the null termination. | |
70 | #define vsnprintf(buffer, count, format, args) wtf_vsnprintf(buffer, count, format, args) | |
b37bf2e1 | 71 | |
f9bf01c6 | 72 | #if OS(WINCE) |
9dae56ea A |
73 | |
74 | inline int strnicmp(const char* string1, const char* string2, size_t count) | |
75 | { | |
76 | return _strnicmp(string1, string2, count); | |
77 | } | |
78 | ||
79 | inline int stricmp(const char* string1, const char* string2) | |
80 | { | |
81 | return _stricmp(string1, string2); | |
82 | } | |
83 | ||
84 | inline char* strdup(const char* strSource) | |
85 | { | |
86 | return _strdup(strSource); | |
87 | } | |
88 | ||
89 | #endif | |
90 | ||
91 | inline int strncasecmp(const char* s1, const char* s2, size_t len) | |
92 | { | |
f9bf01c6 | 93 | return _strnicmp(s1, s2, len); |
9dae56ea A |
94 | } |
95 | ||
96 | inline int strcasecmp(const char* s1, const char* s2) | |
97 | { | |
f9bf01c6 | 98 | return _stricmp(s1, s2); |
9dae56ea | 99 | } |
b37bf2e1 A |
100 | |
101 | #endif | |
102 | ||
14957cd0 | 103 | #if !HAVE(STRNSTR) |
f9bf01c6 A |
104 | |
105 | inline char* strnstr(const char* buffer, const char* target, size_t bufferLength) | |
106 | { | |
107 | size_t targetLength = strlen(target); | |
108 | if (targetLength == 0) | |
109 | return const_cast<char*>(buffer); | |
110 | for (const char* start = buffer; *start && start + targetLength <= buffer + bufferLength; start++) { | |
111 | if (*start == *target && strncmp(start + 1, target + 1, targetLength - 1) == 0) | |
112 | return const_cast<char*>(start); | |
113 | } | |
114 | return 0; | |
115 | } | |
116 | ||
117 | #endif | |
118 | ||
119 | #if COMPILER(RVCT) && __ARMCC_VERSION < 400000 | |
120 | ||
121 | int strcasecmp(const char* s1, const char* s2); | |
122 | int strncasecmp(const char* s1, const char* s2, size_t len); | |
123 | ||
124 | #endif | |
125 | ||
b37bf2e1 | 126 | #endif // WTF_StringExtras_h |