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