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/*
* tclUtf.c --
*
* Routines for manipulating UTF-8 strings.
*
* Copyright (c) 1997-1998 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tclUtf.c,v 1.25 2002/05/29 10:35:46 dkf Exp $
*/
#include "tclInt.h"
/*
* Include the static character classification tables and macros.
*/
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/*
* tclUtf.c --
*
* Routines for manipulating UTF-8 strings.
*
* Copyright (c) 1997-1998 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tclUtf.c,v 1.26 2002/05/30 03:27:09 hobbs Exp $
*/
#include "tclInt.h"
/*
* Include the static character classification tables and macros.
*/
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int
Tcl_UniCharNcmp(cs, ct, n)
CONST Tcl_UniChar *cs; /* Unicode string to compare to ct. */
CONST Tcl_UniChar *ct; /* Unicode string cs is compared to. */
unsigned long n; /* Number of unichars to compare. */
{
#ifdef TCL_OPTIMIZE_UNICODE_COMPARE
/*
* We are definitely on a big-endian machine; memcmp() is safe
*/
return memcmp(cs, ct, n*sizeof(Tcl_UniChar));
#else /* !TCL_OPTIMIZE_UNICODE_COMPARE */
/*
* We can't simply call memcmp() because that is not lexically correct.
*/
for ( ; n != 0; cs++, ct++, n--) {
if (*cs != *ct) {
return (*cs - *ct);
}
}
return 0;
#endif /* TCL_OPTIMIZE_UNICODE_COMPARE */
}
/*
*----------------------------------------------------------------------
*
* Tcl_UniCharNcasecmp --
*
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int
Tcl_UniCharNcmp(cs, ct, n)
CONST Tcl_UniChar *cs; /* Unicode string to compare to ct. */
CONST Tcl_UniChar *ct; /* Unicode string cs is compared to. */
unsigned long n; /* Number of unichars to compare. */
{
#ifdef WORDS_BIGENDIAN
/*
* We are definitely on a big-endian machine; memcmp() is safe
*/
return memcmp(cs, ct, n*sizeof(Tcl_UniChar));
#else /* !WORDS_BIGENDIAN */
/*
* We can't simply call memcmp() because that is not lexically correct.
*/
for ( ; n != 0; cs++, ct++, n--) {
if (*cs != *ct) {
return (*cs - *ct);
}
}
return 0;
#endif /* WORDS_BIGENDIAN */
}
/*
*----------------------------------------------------------------------
*
* Tcl_UniCharNcasecmp --
*
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