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- /*
- * GB/T 12345-1990
- */
-
- /*
- * GB/T 12345-1990 is a traditional chinese counterpart of GB 2312-1986.
- * According to the unicode.org tables:
- * 2146 characters have been changed to their traditional counterpart,
- * 103 characters have been added, no characters have been removed.
- * Therefore we use an auxiliary table, which contains only the changes.
- */
-
- #include "gb12345ext.h"
-
- static int
- gb12345_mbtowc (conv_t conv, wchar_t *pwc, const unsigned char *s, int n)
- {
- int ret;
-
- /* The gb12345ext table overrides some entries in the gb2312 table. */
- /* Try the GB12345 extensions -> Unicode table. */
- ret = gb12345ext_mbtowc(conv,pwc,s,n);
- if (ret != RET_ILSEQ)
- return ret;
- /* Try the GB2312 -> Unicode table. */
- ret = gb2312_mbtowc(conv,pwc,s,n);
- return ret;
- }
-
- static int
- gb12345_wctomb (conv_t conv, unsigned char *r, wchar_t wc, int n)
- {
- int ret;
-
- /* The gb12345ext table overrides some entries in the gb2312 table. */
- /* Try the Unicode -> GB12345 extensions table. */
- ret = gb12345ext_wctomb(conv,r,wc,n);
- if (ret != RET_ILSEQ)
- return ret;
- /* Try the Unicode -> GB2312 table, and check that the resulting GB2312
- byte sequence is not overridden by the GB12345 extensions table. */
- ret = gb2312_wctomb(conv,r,wc,n);
- if (ret == 2 && gb12345ext_mbtowc(conv,&wc,r,2) == 2)
- return RET_ILSEQ;
- else
- return ret;
- }
-