xref: /onnv-gate/usr/src/lib/libast/common/string/stracmp.c (revision 12068:08a39a083754)
14887Schin /***********************************************************************
24887Schin *                                                                      *
34887Schin *               This software is part of the ast package               *
4*12068SRoger.Faulkner@Oracle.COM *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
54887Schin *                      and is licensed under the                       *
64887Schin *                  Common Public License, Version 1.0                  *
78462SApril.Chin@Sun.COM *                    by AT&T Intellectual Property                     *
84887Schin *                                                                      *
94887Schin *                A copy of the License is available at                 *
104887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
114887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
124887Schin *                                                                      *
134887Schin *              Information and Software Systems Research               *
144887Schin *                            AT&T Research                             *
154887Schin *                           Florham Park NJ                            *
164887Schin *                                                                      *
174887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
184887Schin *                  David Korn <dgk@research.att.com>                   *
194887Schin *                   Phong Vo <kpv@research.att.com>                    *
204887Schin *                                                                      *
214887Schin ***********************************************************************/
224887Schin #pragma prototyped
234887Schin 
244887Schin /*
254887Schin  * ccmapchr(ccmap(CC_NATIVE,CC_ASCII),c) and strcmp
264887Schin  */
274887Schin 
284887Schin #include <ast.h>
294887Schin #include <ccode.h>
304887Schin 
314887Schin #if _lib_stracmp
324887Schin 
334887Schin NoN(stracmp)
344887Schin 
354887Schin #else
364887Schin 
374887Schin #include <ctype.h>
384887Schin 
394887Schin int
404887Schin stracmp(const char* aa, const char* ab)
414887Schin {
424887Schin 	register unsigned char*	a;
434887Schin 	register unsigned char*	b;
444887Schin 	register unsigned char*	m;
454887Schin 	register int		c;
464887Schin 	register int		d;
474887Schin 
484887Schin 	if (!(m = ccmap(CC_NATIVE, CC_ASCII)))
494887Schin 		return strcmp(aa, ab);
504887Schin 	a = (unsigned char*)aa;
514887Schin 	b = (unsigned char*)ab;
524887Schin 	for (;;)
534887Schin 	{
544887Schin 		c = m[*a++];
554887Schin 		if (d = c - m[*b++])
564887Schin 			return d;
574887Schin 		if (!c)
584887Schin 			return 0;
594887Schin 	}
604887Schin }
614887Schin 
624887Schin #endif
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