1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26 /* Copyright (c) 1988 AT&T */
27 /* All Rights Reserved */
28
29 #ifndef _STRING_H
30 #define _STRING_H
31
32 #include <iso/string_iso.h>
33
34 /*
35 * Allow global visibility for symbols defined in
36 * C++ "std" namespace in <iso/string_iso.h>.
37 */
38 #if __cplusplus >= 199711L
39 using std::size_t;
40 using std::memchr;
41 using std::memcmp;
42 using std::memcpy;
43 using std::memmove;
44 using std::memset;
45 using std::strcat;
46 using std::strchr;
47 using std::strcmp;
48 using std::strcoll;
49 using std::strcpy;
50 using std::strcspn;
51 using std::strerror;
52 using std::strlen;
53 using std::strncat;
54 using std::strncmp;
55 using std::strncpy;
56 using std::strpbrk;
57 using std::strrchr;
58 using std::strspn;
59 using std::strstr;
60 using std::strtok;
61 using std::strxfrm;
62 #endif
63
64 #ifdef __cplusplus
65 extern "C" {
66 #endif
67
68 #if defined(__STDC__)
69
70 #if defined(__EXTENSIONS__) || \
71 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
72 defined(_XPG6) || defined(_REENTRANT)
73 extern int strerror_r(int, char *, size_t);
74 #endif
75
76 #if defined(__EXTENSIONS__) || \
77 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
78 (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT)
79 extern char *strtok_r(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
80 char **_RESTRICT_KYWD);
81 #endif
82
83 #if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \
84 defined(__XOPEN_OR_POSIX)
85 extern void *memccpy(void *_RESTRICT_KYWD, const void *_RESTRICT_KYWD,
86 int, size_t);
87 #endif
88
89 #if defined(__EXTENSIONS__) || \
90 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
91 /* || defined(_XPG7) */
92 extern int strcasecmp(const char *, const char *);
93 extern int strncasecmp(const char *, const char *, size_t);
94 extern char *stpcpy(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD);
95 extern char *stpncpy(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, size_t);
96 extern char *strndup(const char *, size_t);
97 extern size_t strnlen(const char *, size_t);
98 extern char *strsignal(int);
99 #endif
100
101 #if defined(__EXTENSIONS__) || \
102 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
103 extern int uucopy(const void *_RESTRICT_KYWD, void *_RESTRICT_KYWD, size_t);
104 extern int uucopystr(const void *_RESTRICT_KYWD, void *_RESTRICT_KYWD, size_t);
105 extern int ffs(int);
106 extern int ffsl(long);
107 extern int ffsll(long long);
108 extern int fls(int);
109 extern int flsl(long);
110 extern int flsll(long long);
111 extern void *memmem(const void *, size_t, const void *, size_t);
112 extern char *strcasestr(const char *, const char *);
113 extern char *strnstr(const char *, const char *, size_t);
114 extern size_t strlcpy(char *, const char *, size_t);
115 extern size_t strlcat(char *, const char *, size_t);
116 extern char *strsep(char **stringp, const char *delim);
117 extern char *strchrnul(const char *, int);
118 #endif /* defined(__EXTENSIONS__)... */
119
120 #if defined(__EXTENSIONS__) || \
121 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
122 defined(_XPG4_2)
123 extern char *strdup(const char *);
124 #endif
125
126 #if defined(__EXTENSIONS__) || \
127 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
128 #if defined(__GNUC__)
129
130 /*
131 * gcc provides this inlining facility but Studio C does not.
132 * We should use it exclusively once Studio C also provides it.
133 */
134 extern void *__builtin_alloca(size_t);
135
136 #define strdupa(s) \
137 (__extension__( \
138 { \
139 char *__str = (char *)(s); \
140 strcpy((char *)__builtin_alloca(strlen(__str) + 1), __str); \
141 }))
142
143 #define strndupa(s, n) \
144 (__extension__( \
145 { \
146 char *__str = (char *)(s); \
147 size_t __len = strnlen(__str, (n)); \
148 (__str = strncpy((char *)__builtin_alloca(__len + 1), \
149 __str, __len), \
150 __str[__len] = '\0', __str); \
151 }))
152
153 #else /* __GNUC__ */
154
155 #if defined(unix) /* excludes c99 */
156 /*
157 * Studio C currently can't do the gcc-style inlining,
158 * so we use thread-local storage instead.
159 */
160 extern void *__builtin_alloca(size_t);
161 extern __thread char *__strdupa_str;
162 extern __thread size_t __strdupa_len;
163
164 #define strdupa(s) \
165 (__strdupa_str = (char *)(s), \
166 strcpy((char *)__builtin_alloca(strlen(__strdupa_str) + 1), \
167 __strdupa_str))
168
169 #define strndupa(s, n) \
170 (__strdupa_str = (char *)(s), \
171 __strdupa_len = strnlen(__strdupa_str, (n)), \
172 __strdupa_str = strncpy((char *)__builtin_alloca(__strdupa_len + 1), \
173 __strdupa_str, __strdupa_len), \
174 __strdupa_str[__strdupa_len] = '\0', __strdupa_str)
175 #endif /* unix */
176
177 #endif /* __GNUC__ */
178 #endif /* __EXTENSIONS__ ... */
179
180 #else /* __STDC__ */
181
182 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
183 defined(_XPG6) || defined(_REENTRANT)
184 extern int strerror_r();
185 #endif
186
187 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
188 (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT)
189 extern char *strtok_r();
190 #endif
191
192 #if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \
193 defined(__XOPEN_OR_POSIX)
194 extern void *memccpy();
195 #endif
196
197 #if defined(__EXTENSIONS__) || \
198 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
199 /* || defined(_XPG7) */
200 extern int strcasecmp();
201 extern int strncasecmp();
202 extern char *stpcpy();
203 extern char *stpncpy();
204 extern char *strndup();
205 extern size_t strnlen();
206 extern char *strsignal();
207 #endif
208
209 #if defined(__EXTENSIONS__) || \
210 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
211 extern int uucopy();
212 extern int uucopystr();
213 extern int ffs();
214 extern int ffsl();
215 extern int ffsll();
216 extern int fls();
217 extern int flsl();
218 extern int flsll();
219 extern char *strcasestr();
220 extern char *strnstr();
221 extern size_t strlcpy();
222 extern size_t strlcat();
223 extern char *strsep();
224 extern char *strchrnul();
225 #endif /* defined(__EXTENSIONS__) ... */
226
227 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2)
228 extern char *strdup();
229 #endif
230
231 #endif /* __STDC__ */
232
233 #ifdef __cplusplus
234 }
235 #endif
236
237 #endif /* _STRING_H */