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/*
* Copyright 1999 Justsystem Corporation, Japan.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of Justsystem Corporation
* not be used in advertising or publicity pertaining to distribution
* of the software without specific, written prior permission. Justsystem
* Corporation makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express
* or implied warranty.
*
* Author: Atsushi Irisawa
*/
#ifndef lint
static char rcsid[] = "$Id: misc.c,v 1.2 1999/08/24 09:01:09 ishisone Exp $" ;
#endif /* !lint */
#include <Xatoklib.h>
/* Page */
/*
* [$B4X?tL>(B]
* wcs2euc( )
* [$BI=Bj(B]
* WCHAR $B7?$+$i(BEUC$BJ8;zNs$X$NJQ49(B
* [$B8F=P7A<0(B]
* int wcs2euc( wchar *wbuf, int wlen, unsigned char *euc )
*
* [$B0z?t(B]
* $B7?(B : $BL>(B $B>N(B : I O : $B@b(B $BL@(B
* wchar : *wbuf : i : WCHAR $B7?J8;zNs(B
* int : wlen : i : wchar $B7?J8;zNs$ND9$5(B
* unsigned char : *euc : o : EUC $BJ8;zNs3JG<NN0h(B
*
* [$BJV$jCM(B]
* EUC $BJ8;zNs$ND9$5(B
*
* [$B;HMQ4X?t(B]
* $B$J$7(B
* [$B5!G=(B]
* wchar $B7?J8;zNs$+$i(B unsigined char $B$N(BEUC$BJ8;zNs$KJQ49$9$k!#(B
*
*/
int wcs2euc(wbuf, wlen, euc)
wchar *wbuf;
int wlen;
unsigned char *euc;
{
int i ;
int n = 0 ;
unsigned char c ;
for( i = 0 ; i < wlen ; i++ ) {
c = ( *wbuf & 0xff00 ) >> 8 ;
if ( c ) {
*euc++ = c ;
n++ ;
}
else if (( *wbuf & 0xff ) & 0x80 ) {
*euc++ = 0x8e ;
n++ ;
}
*euc++ = *wbuf & 0xff ;
wbuf++ ;
n++ ;
}
*euc = 0 ;
return n ;
}
/* Page */
/*
* [$B4X?tL>(B]
* euc2wcs( )
* [$BI=Bj(B]
* EUC$BJ8;zNs$+$i(B wchar $B7?J8;zNs$X$NJQ49(B
* [$B8F=P7A<0(B]
* int euc2wcs( unsigned char *euc, int elen, wchar *wbuf )
*
* [$B0z?t(B]
* $B7?(B : $BL>(B $B>N(B : I O : $B@b(B $BL@(B
* unsigned char : *euc : i : EUC $BJ8;zNs(B
* int : elen : i : EUC $BJ8;zNs$ND9$5(B
* wchar : *wbuf : o : wchar $B7?J8;zNs3JG<NN0h(B
*
* [$BJV$jCM(B]
* 1 : $B>o$K#1(B
*
* [$B;HMQ4X?t(B]
* $B$J$7(B
* [$B5!G=(B]
* unsigined char $B7?$N(BEUC $BJ8;zNs$r(Bwchar $B7?$KJQ49$9$k!#(B
* EUC $BJ8;zNs$K$O!"(B0x8f $B$NFCJL$J%3!<%I$,4^$^$l$F$$$k$N$G(B
* wchar $B$KJQ49$9$k;~$K8DJL=hM}$r$9$k!#(B
*/
int euc2wcs(euc, elen, wbuf)
unsigned char *euc;
int elen;
wchar *wbuf;
{
int lb = 0, hb = 0 ;
int i ;
int n = 0 ;
int isSkip ;
for( i = 0 ; i < elen ; i++ ) {
isSkip = 0 ;
if ( *euc == 0x8e ) {
euc++ ;
hb = *euc ;
lb = 0 ;
i++ ;
}
else if ( *euc & 0x80 ) {
if ( *euc == 0x8f ) {
isSkip=1 ;
}
else {
lb = *euc ;
euc++ ;
hb = *euc ;
i++ ;
}
}
else {
hb = *euc ;
lb = 0 ;
}
euc++ ;
if ( !isSkip ) {
*wbuf = (( lb << 8 ) | hb ) & 0xffff ;
wbuf++ ;
n++ ;
}
}
*wbuf = 0 ;
return n ;
}
/* End of misc.c */
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