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att
GitHub Repository: att/ast
 Path: blob/master/src/lib/libast/string/stracmp.c
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/***********************************************************************

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*                                                                      *

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*               This software is part of the ast package               *

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*          Copyright (c) 1985-2011 AT&T Intellectual Property          *

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*                      and is licensed under the                       *

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*                 Eclipse Public License, Version 1.0                  *

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*                    by AT&T Intellectual Property                     *

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*                                                                      *

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*                A copy of the License is available at                 *

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*          http://www.eclipse.org/org/documents/epl-v10.html           *

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*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

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*                                                                      *

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*              Information and Software Systems Research               *

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*                            AT&T Research                             *

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*                           Florham Park NJ                            *

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*                                                                      *

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*                 Glenn Fowler <[email protected]>                  *

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*                  David Korn <[email protected]>                   *

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*                   Phong Vo <[email protected]>                    *

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*                                                                      *

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***********************************************************************/

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#pragma prototyped

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/*

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 * ccmapchr(ccmap(CC_NATIVE,CC_ASCII),c) and strcmp

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 */

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#include <ast.h>

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#include <ccode.h>

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#if _lib_stracmp

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NoN(stracmp)

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#else

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#include <ctype.h>

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int

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stracmp(const char* aa, const char* ab)

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{

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	register unsigned char*	a;

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	register unsigned char*	b;

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	register unsigned char*	m;

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	register int		c;

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	register int		d;

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	if (!(m = ccmap(CC_NATIVE, CC_ASCII)))

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		return strcmp(aa, ab);

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	a = (unsigned char*)aa;

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	b = (unsigned char*)ab;

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	for (;;)

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	{

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		c = m[*a++];

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		if (d = c - m[*b++])

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			return d;

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		if (!c)

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			return 0;

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	}

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}

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#endif

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