/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <wchar.h> int wmemcmp (s1, s2, n) const wchar_t *s1; const wchar_t *s2; size_t n; { register wint_t c1; register wint_t c2; while (n >= 4) { c1 = (wint_t) s1[0]; c2 = (wint_t) s2[0]; if (c1 - c2 != 0) return c1 - c2; c1 = (wint_t) s1[1]; c2 = (wint_t) s2[1]; if (c1 - c2 != 0) return c1 - c2; c1 = (wint_t) s1[2]; c2 = (wint_t) s2[2]; if (c1 - c2 != 0) return c1 - c2; c1 = (wint_t) s1[3]; c2 = (wint_t) s2[3]; if (c1 - c2 != 0) return c1 - c2; s1 += 4; s2 += 4; n -= 4; } if (n > 0) { c1 = (wint_t) s1[0]; c2 = (wint_t) s2[0]; if (c1 - c2 != 0) return c1 - c2; ++s1; ++s2; --n; } if (n > 0) { c1 = (wint_t) s1[0]; c2 = (wint_t) s2[0]; if (c1 - c2 != 0) return c1 - c2; ++s1; ++s2; --n; } if (n > 0) { c1 = (wint_t) s1[0]; c2 = (wint_t) s2[0]; if (c1 - c2 != 0) return c1 - c2; } return 0; }