1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <string.h> 10 11 #include <string.h> 12 #include <type_traits> 13 14 #include "test_macros.h" 15 16 #ifndef NULL 17 #error NULL not defined 18 #endif 19 20 int main(int, char**) 21 { 22 size_t s = 0; 23 void* vp = 0; 24 const void* vpc = 0; 25 char* cp = 0; 26 const char* cpc = 0; 27 ASSERT_SAME_TYPE(void*, decltype(memcpy(vp, vpc, s))); 28 ASSERT_SAME_TYPE(void*, decltype(memmove(vp, vpc, s))); 29 ASSERT_SAME_TYPE(char*, decltype(strcpy(cp, cpc))); 30 ASSERT_SAME_TYPE(char*, decltype(strncpy(cp, cpc, s))); 31 ASSERT_SAME_TYPE(char*, decltype(strcat(cp, cpc))); 32 ASSERT_SAME_TYPE(char*, decltype(strncat(cp, cpc, s))); 33 ASSERT_SAME_TYPE(int, decltype(memcmp(vpc, vpc, s))); 34 ASSERT_SAME_TYPE(int, decltype(strcmp(cpc, cpc))); 35 ASSERT_SAME_TYPE(int, decltype(strncmp(cpc, cpc, s))); 36 ASSERT_SAME_TYPE(int, decltype(strcoll(cpc, cpc))); 37 ASSERT_SAME_TYPE(size_t, decltype(strxfrm(cp, cpc, s))); 38 ASSERT_SAME_TYPE(void*, decltype(memchr(vp, 0, s))); 39 ASSERT_SAME_TYPE(const void*, decltype(memchr(vpc, 0, s))); 40 ASSERT_SAME_TYPE(char*, decltype(strchr(cp, 0))); 41 ASSERT_SAME_TYPE(const char*, decltype(strchr(cpc, 0))); 42 ASSERT_SAME_TYPE(size_t, decltype(strcspn(cpc, cpc))); 43 ASSERT_SAME_TYPE(char*, decltype(strpbrk(cp, cpc))); 44 ASSERT_SAME_TYPE(const char*, decltype(strpbrk(cpc, cpc))); 45 ASSERT_SAME_TYPE(char*, decltype(strrchr(cp, 0))); 46 ASSERT_SAME_TYPE(const char*, decltype(strrchr(cpc, 0))); 47 ASSERT_SAME_TYPE(size_t, decltype(strspn(cpc, cpc))); 48 ASSERT_SAME_TYPE(char*, decltype(strstr(cp, cpc))); 49 ASSERT_SAME_TYPE(const char*, decltype(strstr(cpc, cpc))); 50 #ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS 51 ASSERT_SAME_TYPE(char*, decltype(strtok(cp, cpc))); 52 #endif 53 ASSERT_SAME_TYPE(void*, decltype(memset(vp, 0, s))); 54 ASSERT_SAME_TYPE(char*, decltype(strerror(0))); 55 ASSERT_SAME_TYPE(size_t, decltype(strlen(cpc))); 56 57 return 0; 58 } 59