1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <string.h> 11 12 #include <string.h> 13 #include <type_traits> 14 15 #ifndef NULL 16 #error NULL not defined 17 #endif 18 19 int main() 20 { 21 size_t s = 0; 22 void* vp = 0; 23 const void* vpc = 0; 24 char* cp = 0; 25 const char* cpc = 0; 26 static_assert((std::is_same<decltype(memcpy(vp, vpc, s)), void*>::value), ""); 27 static_assert((std::is_same<decltype(memmove(vp, vpc, s)), void*>::value), ""); 28 static_assert((std::is_same<decltype(strcpy(cp, cpc)), char*>::value), ""); 29 static_assert((std::is_same<decltype(strncpy(cp, cpc, s)), char*>::value), ""); 30 static_assert((std::is_same<decltype(strcat(cp, cpc)), char*>::value), ""); 31 static_assert((std::is_same<decltype(strncat(cp, cpc, s)), char*>::value), ""); 32 static_assert((std::is_same<decltype(memcmp(vpc, vpc, s)), int>::value), ""); 33 static_assert((std::is_same<decltype(strcmp(cpc, cpc)), int>::value), ""); 34 static_assert((std::is_same<decltype(strncmp(cpc, cpc, s)), int>::value), ""); 35 static_assert((std::is_same<decltype(strcoll(cpc, cpc)), int>::value), ""); 36 static_assert((std::is_same<decltype(strxfrm(cp, cpc, s)), size_t>::value), ""); 37 static_assert((std::is_same<decltype(memchr(vp, 0, s)), void*>::value), ""); 38 static_assert((std::is_same<decltype(strchr(cp, 0)), char*>::value), ""); 39 static_assert((std::is_same<decltype(strcspn(cpc, cpc)), size_t>::value), ""); 40 static_assert((std::is_same<decltype(strpbrk(cp, cpc)), char*>::value), ""); 41 static_assert((std::is_same<decltype(strrchr(cp, 0)), char*>::value), ""); 42 static_assert((std::is_same<decltype(strspn(cpc, cpc)), size_t>::value), ""); 43 static_assert((std::is_same<decltype(strstr(cp, cpc)), char*>::value), ""); 44 #ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS 45 static_assert((std::is_same<decltype(strtok(cp, cpc)), char*>::value), ""); 46 #endif 47 static_assert((std::is_same<decltype(memset(vp, 0, s)), void*>::value), ""); 48 static_assert((std::is_same<decltype(strerror(0)), char*>::value), ""); 49 static_assert((std::is_same<decltype(strlen(cpc)), size_t>::value), ""); 50 } 51
