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/* $Id: chcp.c,v 1.2 2003/03/05 17:43:51 skaus Exp $
* CHCP.C - CHCP command.
CHCP [codepage]
via DOS-66-01/02
$Log: chcp.c,v $
Revision 1.2 2003/03/05 17:43:51 skaus
bugfix: cached NLS data not flushed
Revision 1.1 2002/11/12 21:47:16 skaus
add: CHCP (disabled by default)
*/
#include "../config.h"
#include <assert.h>
#include <dos.h>
#include <ctype.h>
#include <portable.h>
#include "../err_fcts.h"
#include "../include/command.h"
#include "../include/cmdline.h"
#include "../include/nls.h"
#include "../strings.h"
int cmd_chcp(char *param)
{ unsigned curCP, sysCP;
_AX = 0x6601;
geninterrupt(0x21);
curCP = _BX;
sysCP = _DX;
if(_CFLAG) {
error_get_codepage();
return 1;
}
if(!param || !*param) {
/* display current codepage */
displayString(TEXT_DISPLAY_CODEPAGE, curCP, sysCP);
} else {
char *p;
unsigned n = 0;
/* set code page */
if(!isdigit(*param)) {
error_syntax(param);
return 1;
}
p = param;
do n = n * 10 + (*p - '0');
while (isdigit(*++p));
if(*ltrimcl(p)) {
error_syntax(param);
return 1;
}
invalidateNLSbuf();
_DX = sysCP;
_BX = curCP;
_AX = 0x6602;
geninterrupt(0x21);
if(_CFLAG) {
error_set_codepage();
return 1;
}
}
return 0;
}
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