mirror of https://gitlab.com/rnger/amath
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*-
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* Copyright (c) 2014-2018 Carsten Sonne Larsen <cs@innolan.net>
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* Copyright (c) 1990, 1993 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Project homepage:
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* https://amath.innolan.net
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*
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*/
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/**
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* @file strcmp.c
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* @brief Compare two null terminated strings to each other.
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*
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* Code originate from FreeBSD base, revision 229286.
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*
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* The original source code can be obtained from:
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* https://svnweb.freebsd.org/base/head/lib/libc/string/strcmp.c?revision=229286
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*
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*/
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#include "amathc.h"
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/**
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* @brief Compare two null terminated strings to each other.
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*/
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bool StrIsEqual(const char* s1, const char* s2)
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{
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int r;
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while (*s1 == *s2++)
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if (*s1++ == '\0')
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return true;
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r = (*(const unsigned char *)s1 - *(const unsigned char *)(s2 - 1));
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return r == 0;
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}
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