1// -*- C++ -*-
2//===--------------------------- cstring ----------------------------------===//
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_CSTRING
12#define _LIBCPP_CSTRING
13
14/*
15    cstring synopsis
16
17Macros:
18
19    NULL
20
21namespace std
22{
23
24Types:
25
26    size_t
27
28void* memcpy(void* restrict s1, const void* restrict s2, size_t n);
29void* memmove(void* s1, const void* s2, size_t n);
30char* strcpy (char* restrict s1, const char* restrict s2);
31char* strncpy(char* restrict s1, const char* restrict s2, size_t n);
32char* strcat (char* restrict s1, const char* restrict s2);
33char* strncat(char* restrict s1, const char* restrict s2, size_t n);
34int memcmp(const void* s1, const void* s2, size_t n);
35int strcmp (const char* s1, const char* s2);
36int strncmp(const char* s1, const char* s2, size_t n);
37int strcoll(const char* s1, const char* s2);
38size_t strxfrm(char* restrict s1, const char* restrict s2, size_t n);
39const void* memchr(const void* s, int c, size_t n);
40      void* memchr(      void* s, int c, size_t n);
41const char* strchr(const char* s, int c);
42      char* strchr(      char* s, int c);
43size_t strcspn(const char* s1, const char* s2);
44const char* strpbrk(const char* s1, const char* s2);
45      char* strpbrk(      char* s1, const char* s2);
46const char* strrchr(const char* s, int c);
47      char* strrchr(      char* s, int c);
48size_t strspn(const char* s1, const char* s2);
49const char* strstr(const char* s1, const char* s2);
50      char* strstr(      char* s1, const char* s2);
51char* strtok(char* restrict s1, const char* restrict s2);
52void* memset(void* s, int c, size_t n);
53char* strerror(int errnum);
54size_t strlen(const char* s);
55
56}  // std
57
58*/
59
60#include <__config>
61#include <string.h>
62
63#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
64#pragma GCC system_header
65#endif
66
67_LIBCPP_BEGIN_NAMESPACE_STD
68
69using ::size_t;
70
71// using ::memcpy;
72inline _LIBCPP_INLINE_VISIBILITY
73void* memcpy(void* __s1, const void* __s2, size_t __n) __attribute__((nonnull(1, 2)))
74{ return ::memcpy(__s1, __s2, __n); }
75
76// using ::memmove;
77inline _LIBCPP_INLINE_VISIBILITY
78void* memmove(void* __s1, const void* __s2, size_t __n) __attribute__((nonnull(1, 2)))
79{ return ::memmove(__s1, __s2, __n); }
80
81using ::strcpy;
82using ::strncpy;
83using ::strcat;
84using ::strncat;
85
86// using ::memcmp;
87inline _LIBCPP_INLINE_VISIBILITY
88int memcmp(const void* __s1, const void* __s2, size_t __n) __attribute__((nonnull(1, 2)))
89{ return ::memcmp(__s1, __s2, __n); }
90
91using ::strcmp;
92
93// using ::strncmp;
94inline _LIBCPP_INLINE_VISIBILITY
95int strncmp(const char* __s1, const char* __s2, size_t __n) __attribute__((nonnull(1, 2)))
96{ return ::memcmp(__s1, __s2, __n); }
97
98using ::strcoll;
99using ::strxfrm;
100
101using ::memchr;
102
103using ::strchr;
104
105using ::strcspn;
106
107using ::strpbrk;
108
109using ::strrchr;
110
111using ::strspn;
112
113using ::strstr;
114
115// MSVCRT, GNU libc and its derivates already have the correct prototype in <string.h> #ifdef __cplusplus
116#if !defined(__GLIBC__) && !defined(_LIBCPP_MSVCRT) && !defined(__sun__) && !defined(_STRING_H_CPLUSPLUS_98_CONFORMANCE_)
117inline _LIBCPP_INLINE_VISIBILITY       char* strchr(      char* __s, int __c) {return ::strchr(__s, __c);}
118inline _LIBCPP_INLINE_VISIBILITY       char* strpbrk(      char* __s1, const char* __s2) {return ::strpbrk(__s1, __s2);}
119inline _LIBCPP_INLINE_VISIBILITY       char* strrchr(      char* __s, int __c) {return ::strrchr(__s, __c);}
120inline _LIBCPP_INLINE_VISIBILITY       void* memchr(      void* __s, int __c, size_t __n) {return ::memchr(__s, __c, __n);}
121inline _LIBCPP_INLINE_VISIBILITY       char* strstr(      char* __s1, const char* __s2) {return ::strstr(__s1, __s2);}
122#endif
123
124using ::strtok;
125using ::memset;
126using ::strerror;
127using ::strlen;
128
129_LIBCPP_END_NAMESPACE_STD
130
131#endif  // _LIBCPP_CSTRING
132