| /* |
| * CNS 11643-1992 |
| */ |
| |
| /* ISO-2022-CN and EUC-TW use CNS 11643-1992 planes 1 to 7. But all tables we |
| * have are for CNS 11643-1992 planes 1,2,3. We use a trick to keep the |
| * Unicode -> CNS 11643 table as small as possible (see cns11643_inv.h). |
| */ |
| |
| #include "cns11643_1.h" |
| #include "cns11643_2.h" |
| #include "cns11643_3.h" |
| #include "cns11643_inv.h" |
| |
| /* Returns the plane number (0,1,2) in r[0], the two bytes in r[1],r[2]. */ |
| static int |
| cns11643_wctomb (conv_t conv, unsigned char *r, wchar_t wc, int n) |
| { |
| if (n >= 3) { |
| int ret = cns11643_inv_wctomb(conv,r+1,wc,2); |
| if (ret == RET_ILSEQ) |
| return RET_ILSEQ; |
| if (ret != 2) abort(); |
| r[0] = ((r[1] & 0x80) >> 6) | ((r[2] & 0x80) >> 7); |
| r[1] &= 0x7f; |
| r[2] &= 0x7f; |
| return 3; |
| } |
| return RET_TOOSMALL; |
| } |