| /** |

| * This file has no copyright assigned and is placed in the Public Domain. |

| * This file is part of the mingw-w64 runtime package. |

| * No warranty is given; refer to the file DISCLAIMER.PD within this package. |

| */ |

| /* This source code was extracted from the Q8 package created and placed |

| in the PUBLIC DOMAIN by Doug Gwyn <gwyn@arl.mil> |

| last edit: 1999/11/05 gwyn@arl.mil |

| |

| Implements subclause 7.24 of ISO/IEC 9899:1999 (E). |

| |

| It supports an encoding where all char codes are mapped |

| to the *same* code values within a wchar_t or wint_t, |

| so long as no other wchar_t codes are used by the program. |

| |

| */ |

| |

| #define __CRT__NO_INLINE |

| #include <wchar.h> |

| |

| #if 0 |

| int |

| wmemcmp(s1, s2, n) |

| register const wchar_t *s1; |

| register const wchar_t *s2; |

| size_t n; |

| { |

| if ( n == 0 || s1 == s2 ) |

| return 0; /* even for NULL pointers */ |

| |

| if ( (s1 != NULL) != (s2 != NULL) ) |

| return s2 == NULL ? 1 : -1; /* robust */ |

| |

| for ( ; n > 0; ++s1, ++s2, --n ) |

| if ( *s1 != *s2 ) |

| return *s1 - *s2; |

| |

| return 0; |

| } |

| #endif |

| |

| int __cdecl wmemcmp(const wchar_t *_S1,const wchar_t *_S2,size_t _N) |

| { |

| if (_N == 0 || _S1 == _S2) |

| return 0; /* even for NULL pointers */ |

| |

| if ((_S1 != NULL) != (_S2 != NULL)) |

| return _S2 == NULL ? 1 : -1; /* robust */ |

| |

| for ( ; 0 < _N; ++_S1, ++_S2, --_N) |

| if (*_S1 != *_S2) |

| return (*_S1 < *_S2 ? -1 : +1); |

| |

| return 0; |

| } |

| |