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;