1 // -*- C++ -*-
2 //===--------------------------- string.h ---------------------------------===//
3 //
4 // The LLVM Compiler Infrastructure
5 //
6 // This file is distributed under the University of Illinois Open Source
7 // License. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10
11 #ifndef _LIBCPP_STRING_H
12 #define _LIBCPP_STRING_H
13
14 /*
15 string.h synopsis
16
17 Macros:
18
19 NULL
20
21 Types:
22
23 size_t
24
25 void* memcpy(void* restrict s1, const void* restrict s2, size_t n);
26 void* memmove(void* s1, const void* s2, size_t n);
27 char* strcpy (char* restrict s1, const char* restrict s2);
28 char* strncpy(char* restrict s1, const char* restrict s2, size_t n);
29 char* strcat (char* restrict s1, const char* restrict s2);
30 char* strncat(char* restrict s1, const char* restrict s2, size_t n);
31 int memcmp(const void* s1, const void* s2, size_t n);
32 int strcmp (const char* s1, const char* s2);
33 int strncmp(const char* s1, const char* s2, size_t n);
34 int strcoll(const char* s1, const char* s2);
35 size_t strxfrm(char* restrict s1, const char* restrict s2, size_t n);
36 const void* memchr(const void* s, int c, size_t n);
37 void* memchr( void* s, int c, size_t n);
38 const char* strchr(const char* s, int c);
39 char* strchr( char* s, int c);
40 size_t strcspn(const char* s1, const char* s2);
41 const char* strpbrk(const char* s1, const char* s2);
42 char* strpbrk( char* s1, const char* s2);
43 const char* strrchr(const char* s, int c);
44 char* strrchr( char* s, int c);
45 size_t strspn(const char* s1, const char* s2);
46 const char* strstr(const char* s1, const char* s2);
47 char* strstr( char* s1, const char* s2);
48 char* strtok(char* restrict s1, const char* restrict s2);
49 void* memset(void* s, int c, size_t n);
50 char* strerror(int errnum);
51 size_t strlen(const char* s);
52
53 */
54
55 #include <__config>
56
57 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
58 #pragma GCC system_header
59 #endif
60
61 #include_next <string.h>
62
63 // MSVCRT, GNU libc and its derivates may already have the correct prototype in
64 // <string.h>. This macro can be defined by users if their C library provides
65 // the right signature.
66 #if defined(__CORRECT_ISO_CPP_STRING_H_PROTO) || defined(_LIBCPP_MSVCRT) || \
67 defined(__sun__) || defined(_STRING_H_CPLUSPLUS_98_CONFORMANCE_)
68 #define _LIBCPP_STRING_H_HAS_CONST_OVERLOADS
69 #endif
70
71 #if defined(__cplusplus) && !defined(_LIBCPP_STRING_H_HAS_CONST_OVERLOADS) && defined(_LIBCPP_PREFERRED_OVERLOAD)
72 extern "C++" {
73 inline _LIBCPP_INLINE_VISIBILITY
__libcpp_strchr(const char * __s,int __c)74 char* __libcpp_strchr(const char* __s, int __c) {return (char*)strchr(__s, __c);}
75 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
strchr(const char * __s,int __c)76 const char* strchr(const char* __s, int __c) {return __libcpp_strchr(__s, __c);}
77 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
strchr(char * __s,int __c)78 char* strchr( char* __s, int __c) {return __libcpp_strchr(__s, __c);}
79
80 inline _LIBCPP_INLINE_VISIBILITY
__libcpp_strpbrk(const char * __s1,const char * __s2)81 char* __libcpp_strpbrk(const char* __s1, const char* __s2) {return (char*)strpbrk(__s1, __s2);}
82 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
strpbrk(const char * __s1,const char * __s2)83 const char* strpbrk(const char* __s1, const char* __s2) {return __libcpp_strpbrk(__s1, __s2);}
84 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
strpbrk(char * __s1,const char * __s2)85 char* strpbrk( char* __s1, const char* __s2) {return __libcpp_strpbrk(__s1, __s2);}
86
87 inline _LIBCPP_INLINE_VISIBILITY
__libcpp_strrchr(const char * __s,int __c)88 char* __libcpp_strrchr(const char* __s, int __c) {return (char*)strrchr(__s, __c);}
89 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
strrchr(const char * __s,int __c)90 const char* strrchr(const char* __s, int __c) {return __libcpp_strrchr(__s, __c);}
91 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
strrchr(char * __s,int __c)92 char* strrchr( char* __s, int __c) {return __libcpp_strrchr(__s, __c);}
93
94 inline _LIBCPP_INLINE_VISIBILITY
__libcpp_memchr(const void * __s,int __c,size_t __n)95 void* __libcpp_memchr(const void* __s, int __c, size_t __n) {return (void*)memchr(__s, __c, __n);}
96 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
memchr(const void * __s,int __c,size_t __n)97 const void* memchr(const void* __s, int __c, size_t __n) {return __libcpp_memchr(__s, __c, __n);}
98 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
memchr(void * __s,int __c,size_t __n)99 void* memchr( void* __s, int __c, size_t __n) {return __libcpp_memchr(__s, __c, __n);}
100
101 inline _LIBCPP_INLINE_VISIBILITY
__libcpp_strstr(const char * __s1,const char * __s2)102 char* __libcpp_strstr(const char* __s1, const char* __s2) {return (char*)strstr(__s1, __s2);}
103 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
strstr(const char * __s1,const char * __s2)104 const char* strstr(const char* __s1, const char* __s2) {return __libcpp_strstr(__s1, __s2);}
105 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
strstr(char * __s1,const char * __s2)106 char* strstr( char* __s1, const char* __s2) {return __libcpp_strstr(__s1, __s2);}
107 }
108 #endif
109
110 #endif // _LIBCPP_STRING_H
111