1 #ifndef _STRING_H
2
3 #ifndef _ISOMAC
4 /* Some of these are defined as macros in the real string.h, so we must
5 prototype them before including it. */
6 #include <sys/types.h>
7 #include <locale.h>
8
9 extern void *__memccpy (void *__dest, const void *__src,
10 int __c, size_t __n);
11
12 extern size_t __strnlen (const char *__string, size_t __maxlen)
13 __attribute_pure__;
14
15 extern char *__strsep (char **__stringp, const char *__delim);
16 libc_hidden_proto (__strsep)
17
18 extern int __strverscmp (const char *__s1, const char *__s2)
19 __attribute_pure__;
20
21 extern int __strncasecmp (const char *__s1, const char *__s2,
22 size_t __n)
23 __attribute_pure__;
24
25 extern int __strcasecmp (const char *__s1, const char *__s2)
26 __attribute_pure__;
27
28 extern char *__strcasestr (const char *__haystack, const char *__needle)
29 __attribute_pure__;
30
31 extern char *__strdup (const char *__string)
32 __attribute_malloc__;
33 extern char *__strndup (const char *__string, size_t __n)
34 __attribute_malloc__;
35
36 extern void *__rawmemchr (const void *__s, int __c)
37 __attribute_pure__;
38
39 extern char *__strchrnul (const char *__s, int __c)
40 __attribute_pure__;
41
42 extern void *__memrchr (const void *__s, int __c, size_t __n)
43 __attribute_pure__;
44
45 extern void *__memchr (const void *__s, int __c, size_t __n)
46 __attribute_pure__;
47
48 extern void __bzero (void *__s, size_t __n) __THROW __nonnull ((1));
49
50 extern int __ffs (int __i) __attribute__ ((const));
51
52 extern char *__strerror_r (int __errnum, char *__buf, size_t __buflen);
53
54 extern char *__strerror_l (int __errnum, locale_t __loc);
55
56 extern const char *__sigdescr_np (int __errnum);
57 libc_hidden_proto (__sigdescr_np)
58 #endif
59
60 #include <string/string.h>
61
62 #ifndef _ISOMAC
63 extern __typeof (strcoll_l) __strcoll_l;
64 extern __typeof (strxfrm_l) __strxfrm_l;
65 extern __typeof (strcasecmp_l) __strcasecmp_l;
66 extern __typeof (strncasecmp_l) __strncasecmp_l;
67
68 /* Alternative version which doesn't pollute glibc's namespace. */
69 #if IS_IN (libc)
70 # undef strndupa
71 # define strndupa(s, n) \
72 (__extension__ \
73 ({ \
74 const char *__old = (s); \
75 size_t __len = __strnlen (__old, (n)); \
76 char *__new = (char *) __builtin_alloca (__len + 1); \
77 __new[__len] = '\0'; \
78 (char *) memcpy (__new, __old, __len); \
79 }))
80 #endif
81
82 libc_hidden_proto (__mempcpy)
83 #ifndef __NO_STRING_INLINES
84 # define __mempcpy(dest, src, n) __builtin_mempcpy (dest, src, n)
85 #endif
86 libc_hidden_proto (__stpcpy)
87 #ifndef __NO_STRING_INLINES
88 # define __stpcpy(dest, src) __builtin_stpcpy (dest, src)
89 #endif
90 libc_hidden_proto (__stpncpy)
91 extern __typeof (strlcpy) __strlcpy;
92 libc_hidden_proto (__strlcpy)
93 extern __typeof (strlcat) __strlcat;
94 libc_hidden_proto (__strlcat)
95 libc_hidden_proto (__rawmemchr)
96 libc_hidden_proto (__strcasecmp)
97 libc_hidden_proto (__strcasecmp_l)
98 libc_hidden_proto (__strncasecmp_l)
99 libc_hidden_proto (__strchrnul)
100 extern __typeof (strncat) __strncat;
101 libc_hidden_proto (__strncat)
102 libc_hidden_proto (__strdup)
103 libc_hidden_proto (__strndup)
104 libc_hidden_proto (__strerror_r)
105 libc_hidden_proto (__strverscmp)
106 libc_hidden_proto (basename)
107 extern char *__basename (const char *__filename) __THROW __nonnull ((1));
108 libc_hidden_proto (__basename)
109 libc_hidden_proto (strcoll)
110 libc_hidden_proto (__strcoll_l)
111 libc_hidden_proto (__strxfrm_l)
112 libc_hidden_proto (__strtok_r)
113 extern char *__strsep_g (char **__stringp, const char *__delim);
114 libc_hidden_proto (__strsep_g)
115 libc_hidden_proto (strnlen)
116 libc_hidden_proto (__strnlen)
117 libc_hidden_proto (__memcmpeq)
118 libc_hidden_proto (memmem)
119 extern __typeof (memmem) __memmem;
120 libc_hidden_proto (__memmem)
121 libc_hidden_proto (__ffs)
122 libc_hidden_proto (__strerror_l)
123 libc_hidden_proto (__memrchr)
124
125 #if IS_IN (libc)
126 /* Avoid hidden reference to IFUNC symbol __explicit_bzero_chk. */
127 void __explicit_bzero_chk_internal (void *, size_t, size_t)
128 __THROW __nonnull ((1)) attribute_hidden;
129 # define explicit_bzero(buf, len) \
130 __explicit_bzero_chk_internal (buf, len, __glibc_objsize0 (buf))
131 #elif !IS_IN (nonlib)
132 void __explicit_bzero_chk (void *, size_t, size_t) __THROW __nonnull ((1));
133 # define explicit_bzero(buf, len) __explicit_bzero_chk (buf, len, \
134 __glibc_objsize0 (buf))
135 #endif
136
137 libc_hidden_builtin_proto (memchr)
138 libc_hidden_builtin_proto (memcpy)
139 libc_hidden_builtin_proto (mempcpy)
140 libc_hidden_builtin_proto (memcmp)
141 libc_hidden_builtin_proto (memmove)
142 libc_hidden_builtin_proto (memset)
143 libc_hidden_builtin_proto (strcat)
144 libc_hidden_builtin_proto (strchr)
145 libc_hidden_builtin_proto (strcmp)
146 libc_hidden_builtin_proto (strcpy)
147 libc_hidden_builtin_proto (strcspn)
148 libc_hidden_builtin_proto (strlen)
149 libc_hidden_builtin_proto (strncmp)
150 libc_hidden_builtin_proto (strncpy)
151 libc_hidden_builtin_proto (strpbrk)
152 libc_hidden_builtin_proto (stpcpy)
153 libc_hidden_builtin_proto (strrchr)
154 libc_hidden_builtin_proto (strspn)
155 libc_hidden_builtin_proto (strstr)
156 libc_hidden_builtin_proto (ffs)
157
158 #if IS_IN (rtld)
159 extern __typeof (__stpcpy) __stpcpy attribute_hidden;
160 extern __typeof (__strdup) __strdup attribute_hidden;
161 extern __typeof (__strerror_r) __strerror_r attribute_hidden;
162 extern __typeof (__strsep_g) __strsep_g attribute_hidden;
163
164 extern __typeof (memchr) memchr attribute_hidden;
165 extern __typeof (memcmp) memcmp attribute_hidden;
166 extern __typeof (memcpy) memcpy attribute_hidden;
167 extern __typeof (memmove) memmove attribute_hidden;
168 extern __typeof (memset) memset attribute_hidden;
169 extern __typeof (rawmemchr) rawmemchr attribute_hidden;
170 extern __typeof (stpcpy) stpcpy attribute_hidden;
171 extern __typeof (strchr) strchr attribute_hidden;
172 extern __typeof (strcmp) strcmp attribute_hidden;
173 extern __typeof (strlen) strlen attribute_hidden;
174 extern __typeof (strnlen) strnlen attribute_hidden;
175 extern __typeof (strsep) strsep attribute_hidden;
176 #endif
177
178 #if (!IS_IN (libc) || !defined SHARED) \
179 && !defined NO_MEMPCPY_STPCPY_REDIRECT
180 /* Redirect calls to __builtin_mempcpy and __builtin_stpcpy to call
181 __mempcpy and __stpcpy if not inlined. */
182 extern __typeof (mempcpy) mempcpy __asm__ ("__mempcpy");
183 extern __typeof (stpcpy) stpcpy __asm__ ("__stpcpy");
184 #endif
185
186 extern void *__memcpy_chk (void *__restrict __dest,
187 const void *__restrict __src, size_t __len,
188 size_t __destlen) __THROW;
189 extern void *__memmove_chk (void *__dest, const void *__src, size_t __len,
190 size_t __destlen) __THROW;
191 extern void *__mempcpy_chk (void *__restrict __dest,
192 const void *__restrict __src, size_t __len,
193 size_t __destlen) __THROW;
194 extern void *__memset_chk (void *__dest, int __ch, size_t __len,
195 size_t __destlen) __THROW;
196 extern char *__strcpy_chk (char *__restrict __dest,
197 const char *__restrict __src,
198 size_t __destlen) __THROW;
199 extern char *__stpcpy_chk (char *__restrict __dest,
200 const char *__restrict __src,
201 size_t __destlen) __THROW;
202 extern char *__strncpy_chk (char *__restrict __dest,
203 const char *__restrict __src,
204 size_t __len, size_t __destlen) __THROW;
205 extern char *__strcat_chk (char *__restrict __dest,
206 const char *__restrict __src,
207 size_t __destlen) __THROW;
208 extern char *__strncat_chk (char *__restrict __dest,
209 const char *__restrict __src,
210 size_t __len, size_t __destlen) __THROW;
211
212 libc_hidden_builtin_proto (__memcpy_chk)
213 libc_hidden_builtin_proto (__memmove_chk)
214 libc_hidden_builtin_proto (__mempcpy_chk)
215 libc_hidden_builtin_proto (__memset_chk)
216 libc_hidden_builtin_proto (__stpcpy_chk)
217
218 #endif
219
220 #endif