11 * Unix Unicode-handling routines.
13 * FIXME: currently trivial stub versions assuming all codepages
17 int is_dbcs_leadbyte(int codepage
, char byte
)
19 return 0; /* we don't do DBCS */
22 int mb_to_wc(int codepage
, int flags
, char *mbstr
, int mblen
,
23 wchar_t *wcstr
, int wclen
)
26 while (mblen
> 0 && wclen
> 0) {
27 *wcstr
++ = (unsigned char) *mbstr
++;
28 mblen
--, wclen
--, ret
++;
30 return ret
; /* FIXME: check error codes! */
33 int wc_to_mb(int codepage
, int flags
, wchar_t *wcstr
, int wclen
,
34 char *mbstr
, int mblen
, char *defchr
, int *defused
)
39 while (mblen
> 0 && wclen
> 0) {
40 if (*wcstr
>= 0x100) {
48 *mbstr
++ = (unsigned char) *wcstr
;
50 mblen
--, wclen
--, ret
++;
52 return ret
; /* FIXME: check error codes! */
58 /* Find the line control characters. FIXME: this is not right. */
59 for (i
= 0; i
< 256; i
++)
60 if (i
< ' ' || (i
>= 0x7F && i
< 0xA0))
63 unitab_ctrl
[i
] = 0xFF;
65 for (i
= 0; i
< 256; i
++) {
66 unitab_line
[i
] = unitab_scoacs
[i
] = i
;
67 unitab_xterm
[i
] = (i
>= 0x5F && i
< 0x7F) ?
((i
+1) & 0x1F) : i
;