xref: /freebsd/contrib/llvm-project/libcxx/include/cstring (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
10b57cec5SDimitry Andric// -*- C++ -*-
2349cc55cSDimitry Andric//===----------------------------------------------------------------------===//
30b57cec5SDimitry Andric//
40b57cec5SDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
50b57cec5SDimitry Andric// See https://llvm.org/LICENSE.txt for license information.
60b57cec5SDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
70b57cec5SDimitry Andric//
80b57cec5SDimitry Andric//===----------------------------------------------------------------------===//
90b57cec5SDimitry Andric
100b57cec5SDimitry Andric#ifndef _LIBCPP_CSTRING
110b57cec5SDimitry Andric#define _LIBCPP_CSTRING
120b57cec5SDimitry Andric
130b57cec5SDimitry Andric/*
140b57cec5SDimitry Andric    cstring synopsis
150b57cec5SDimitry Andric
160b57cec5SDimitry AndricMacros:
170b57cec5SDimitry Andric
180b57cec5SDimitry Andric    NULL
190b57cec5SDimitry Andric
200b57cec5SDimitry Andricnamespace std
210b57cec5SDimitry Andric{
220b57cec5SDimitry Andric
230b57cec5SDimitry AndricTypes:
240b57cec5SDimitry Andric
250b57cec5SDimitry Andric    size_t
260b57cec5SDimitry Andric
270b57cec5SDimitry Andricvoid* memcpy(void* restrict s1, const void* restrict s2, size_t n);
280b57cec5SDimitry Andricvoid* memmove(void* s1, const void* s2, size_t n);
290b57cec5SDimitry Andricchar* strcpy (char* restrict s1, const char* restrict s2);
300b57cec5SDimitry Andricchar* strncpy(char* restrict s1, const char* restrict s2, size_t n);
310b57cec5SDimitry Andricchar* strcat (char* restrict s1, const char* restrict s2);
320b57cec5SDimitry Andricchar* strncat(char* restrict s1, const char* restrict s2, size_t n);
330b57cec5SDimitry Andricint memcmp(const void* s1, const void* s2, size_t n);
340b57cec5SDimitry Andricint strcmp (const char* s1, const char* s2);
350b57cec5SDimitry Andricint strncmp(const char* s1, const char* s2, size_t n);
360b57cec5SDimitry Andricint strcoll(const char* s1, const char* s2);
370b57cec5SDimitry Andricsize_t strxfrm(char* restrict s1, const char* restrict s2, size_t n);
380b57cec5SDimitry Andricconst void* memchr(const void* s, int c, size_t n);
390b57cec5SDimitry Andric      void* memchr(      void* s, int c, size_t n);
400b57cec5SDimitry Andricconst char* strchr(const char* s, int c);
410b57cec5SDimitry Andric      char* strchr(      char* s, int c);
420b57cec5SDimitry Andricsize_t strcspn(const char* s1, const char* s2);
430b57cec5SDimitry Andricconst char* strpbrk(const char* s1, const char* s2);
440b57cec5SDimitry Andric      char* strpbrk(      char* s1, const char* s2);
450b57cec5SDimitry Andricconst char* strrchr(const char* s, int c);
460b57cec5SDimitry Andric      char* strrchr(      char* s, int c);
470b57cec5SDimitry Andricsize_t strspn(const char* s1, const char* s2);
480b57cec5SDimitry Andricconst char* strstr(const char* s1, const char* s2);
490b57cec5SDimitry Andric      char* strstr(      char* s1, const char* s2);
500b57cec5SDimitry Andricchar* strtok(char* restrict s1, const char* restrict s2);
510b57cec5SDimitry Andricvoid* memset(void* s, int c, size_t n);
520b57cec5SDimitry Andricchar* strerror(int errnum);
530b57cec5SDimitry Andricsize_t strlen(const char* s);
540b57cec5SDimitry Andric
550b57cec5SDimitry Andric}  // std
560b57cec5SDimitry Andric
570b57cec5SDimitry Andric*/
580b57cec5SDimitry Andric
590b57cec5SDimitry Andric#include <__config>
60*bdd1243dSDimitry Andric#include <__type_traits/is_constant_evaluated.h>
61*bdd1243dSDimitry Andric
620b57cec5SDimitry Andric#include <string.h>
630b57cec5SDimitry Andric
64*bdd1243dSDimitry Andric#ifndef _LIBCPP_STRING_H
65*bdd1243dSDimitry Andric#   error <cstring> tried including <string.h> but didn't find libc++'s <string.h> header. \
66*bdd1243dSDimitry Andric          This usually means that your header search paths are not configured properly. \
67*bdd1243dSDimitry Andric          The header search paths should contain the C++ Standard Library headers before \
68*bdd1243dSDimitry Andric          any C Standard Library, and you are probably using compiler flags that make that \
69*bdd1243dSDimitry Andric          not be the case.
70*bdd1243dSDimitry Andric#endif
71*bdd1243dSDimitry Andric
720b57cec5SDimitry Andric#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
730b57cec5SDimitry Andric#  pragma GCC system_header
740b57cec5SDimitry Andric#endif
750b57cec5SDimitry Andric
760b57cec5SDimitry Andric_LIBCPP_BEGIN_NAMESPACE_STD
770b57cec5SDimitry Andric
78fe6060f1SDimitry Andricusing ::size_t _LIBCPP_USING_IF_EXISTS;
79fe6060f1SDimitry Andricusing ::memcpy _LIBCPP_USING_IF_EXISTS;
80fe6060f1SDimitry Andricusing ::memmove _LIBCPP_USING_IF_EXISTS;
81fe6060f1SDimitry Andricusing ::strcpy _LIBCPP_USING_IF_EXISTS;
82fe6060f1SDimitry Andricusing ::strncpy _LIBCPP_USING_IF_EXISTS;
83fe6060f1SDimitry Andricusing ::strcat _LIBCPP_USING_IF_EXISTS;
84fe6060f1SDimitry Andricusing ::strncat _LIBCPP_USING_IF_EXISTS;
85fe6060f1SDimitry Andricusing ::memcmp _LIBCPP_USING_IF_EXISTS;
86fe6060f1SDimitry Andricusing ::strcmp _LIBCPP_USING_IF_EXISTS;
87fe6060f1SDimitry Andricusing ::strncmp _LIBCPP_USING_IF_EXISTS;
88fe6060f1SDimitry Andricusing ::strcoll _LIBCPP_USING_IF_EXISTS;
89fe6060f1SDimitry Andricusing ::strxfrm _LIBCPP_USING_IF_EXISTS;
90fe6060f1SDimitry Andricusing ::memchr _LIBCPP_USING_IF_EXISTS;
91fe6060f1SDimitry Andricusing ::strchr _LIBCPP_USING_IF_EXISTS;
92fe6060f1SDimitry Andricusing ::strcspn _LIBCPP_USING_IF_EXISTS;
93fe6060f1SDimitry Andricusing ::strpbrk _LIBCPP_USING_IF_EXISTS;
94fe6060f1SDimitry Andricusing ::strrchr _LIBCPP_USING_IF_EXISTS;
95fe6060f1SDimitry Andricusing ::strspn _LIBCPP_USING_IF_EXISTS;
96fe6060f1SDimitry Andricusing ::strstr _LIBCPP_USING_IF_EXISTS;
97fe6060f1SDimitry Andricusing ::strtok _LIBCPP_USING_IF_EXISTS;
98fe6060f1SDimitry Andricusing ::memset _LIBCPP_USING_IF_EXISTS;
99fe6060f1SDimitry Andricusing ::strerror _LIBCPP_USING_IF_EXISTS;
100fe6060f1SDimitry Andricusing ::strlen _LIBCPP_USING_IF_EXISTS;
1010b57cec5SDimitry Andric
1020b57cec5SDimitry Andric_LIBCPP_END_NAMESPACE_STD
1030b57cec5SDimitry Andric
1040b57cec5SDimitry Andric#endif // _LIBCPP_CSTRING
105