thodg/libiconv/src/ces_big5.h
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src/ces_big5.h
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/* * BIG-5 */ static int ces_big5_mbtowc (conv_t conv, wchar_t *pwc, const unsigned char *s, int n) { unsigned char c = *s; /* Code set 0 (ASCII) */ if (c < 0x80) return ascii_mbtowc(conv,pwc,s,n); /* Code set 1 (BIG5) */ if (c >= 0xa1 && c < 0xff) { if (n < 2) return RET_TOOFEW(0); { unsigned char c2 = s[1]; if ((c2 >= 0x40 && c2 < 0x7f) || (c2 >= 0xa1 && c2 < 0xff)) return big5_mbtowc(conv,pwc,s,2); else return RET_ILSEQ; } } return RET_ILSEQ; } static int ces_big5_wctomb (conv_t conv, unsigned char *r, wchar_t wc, int n) { unsigned char buf[2]; int ret; /* Code set 0 (ASCII) */ ret = ascii_wctomb(conv,r,wc,n); if (ret != RET_ILSEQ) return ret; /* Code set 1 (BIG5) */ ret = big5_wctomb(conv,buf,wc,2); if (ret != RET_ILSEQ) { if (ret != 2) abort(); if (n < 2) return RET_TOOSMALL; r[0] = buf[0]; r[1] = buf[1]; return 2; } return RET_ILSEQ; }