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- /*
- * 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;
- }
-