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
main(int,char **)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 ASSERT_SAME_TYPE(char*, decltype(strtok(cp, cpc)));
51 ASSERT_SAME_TYPE(void*, decltype(memset(vp, 0, s)));
52 ASSERT_SAME_TYPE(char*, decltype(strerror(0)));
53 ASSERT_SAME_TYPE(size_t, decltype(strlen(cpc)));
54
55 return 0;
56 }
57