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/* Iconv stubs */
#include <errno.h>
#include <sys/errno.h>
#include "swis.h"
#include "iconv.h"
/* SWI numbers */
#define Iconv_Open (0x57540)
#define Iconv_Iconv (0x57541)
#define Iconv_Close (0x57542)
#define Iconv_Convert (0x57543)
#define Iconv_CreateMenu (0x57544)
#define Iconv_DecodeMenu (0x57545)
/* Error numbers */
#define ERROR_BASE 0x81b900
#define ICONV_NOMEM (ERROR_BASE+0)
#define ICONV_INVAL (ERROR_BASE+1)
#define ICONV_2BIG (ERROR_BASE+2)
#define ICONV_ILSEQ (ERROR_BASE+3)
iconv_t iconv_open(const char *tocode, const char *fromcode)
{
iconv_t ret;
_kernel_oserror *error;
error = _swix(Iconv_Open, _INR(0,1) | _OUT(0),
tocode, fromcode,
&ret);
if (error) {
switch (error->errnum) {
case ICONV_NOMEM:
errno = ENOMEM;
break;
case ICONV_INVAL:
errno = EINVAL;
break;
case ICONV_2BIG:
errno = E2BIG;
break;
case ICONV_ILSEQ:
errno = EILSEQ;
break;
default:
errno = EINVAL; /* munge BAD_SWI to EINVAL */
break;
}
return (iconv_t)(-1);
}
return ret;
}
size_t iconv(iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf,
size_t *outbytesleft)
{
size_t ret;
_kernel_oserror *error;
error = _swix(Iconv_Iconv, _INR(0,4) | _OUT(0),
cd, inbuf, inbytesleft, outbuf, outbytesleft,
&ret);
if (error) {
switch (error->errnum) {
case ICONV_NOMEM:
errno = ENOMEM;
break;
case ICONV_INVAL:
errno = EINVAL;
break;
case ICONV_2BIG:
errno = E2BIG;
break;
case ICONV_ILSEQ:
errno = EILSEQ;
break;
default:
errno = EINVAL; /* munge BAD_SWI to EINVAL */
break;
}
return (size_t)(-1);
}
return ret;
}
int iconv_close(iconv_t cd)
{
int ret;
_kernel_oserror *error;
error = _swix(Iconv_Close, _IN(0) | _OUT(0),
cd,
&ret);
if (error) {
switch (error->errnum) {
case ICONV_NOMEM:
errno = ENOMEM;
break;
case ICONV_INVAL:
errno = EINVAL;
break;
case ICONV_2BIG:
errno = E2BIG;
break;
case ICONV_ILSEQ:
errno = EILSEQ;
break;
default:
errno = EINVAL; /* munge BAD_SWI to EINVAL */
break;
}
return -1;
}
return ret;
}
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