projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 482704df PB |
1 | //------------------------------------------------------------------------------\r |
| 2 | //\r | |
| 3 | // Copyright (c) 2019, Pete Batard. All rights reserved.\r | |
| 4 | //\r | |
| 5 | // SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 6 | //\r | |
| 7 | //------------------------------------------------------------------------------\r | |
| 8 | \r | |
| 9 | #if defined(_M_ARM64)\r | |
| 10 | typedef unsigned __int64 size_t;\r | |
| 11 | #else\r | |
| 12 | typedef unsigned __int32 size_t;\r | |
| 13 | #endif\r | |
| 14 | \r | |
| 15 | int memcmp(void *, void *, size_t);\r | |
| 16 | #pragma intrinsic(memcmp)\r | |
| 17 | #pragma function(memcmp)\r | |
| 18 | int memcmp(const void *s1, const void *s2, size_t n)\r | |
| 19 | {\r | |
| 20 | unsigned char const *t1 = s1;\r | |
| 21 | unsigned char const *t2 = s2;\r | |
| 22 | \r | |
| 23 | while (n--) {\r | |
| 24 | if (*t1 != *t2)\r | |
| 25 | return (int)*t1 - (int)*t2;\r | |
| 26 | t1++;\r | |
| 27 | t2++;\r | |
| 28 | }\r | |
| 29 | \r | |
| 30 | return 0;\r | |
| 31 | }\r |