| |
| /* |
| * ISO646-CN |
| * also known as GB_1988-80 |
| */ |
| |
| static int |
| iso646_cn_mbtowc (conv_t conv, wchar_t *pwc, const unsigned char *s, int n) |
| { |
| unsigned char c = *s; |
| if (c < 0x80) { |
| if (c == 0x24) |
| *pwc = (wchar_t) 0x00a5; |
| else if (c == 0x7e) |
| *pwc = (wchar_t) 0x203e; |
| else |
| *pwc = (wchar_t) c; |
| return 1; |
| } |
| return RET_ILSEQ; |
| } |
| |
| static int |
| iso646_cn_wctomb (conv_t conv, unsigned char *r, wchar_t wc, int n) |
| { |
| if (wc < 0x0080 && !(wc == 0x0024 || wc == 0x007e)) { |
| *r = wc; |
| return 1; |
| } |
| if (wc == 0x00a5) { |
| *r = 0x24; |
| return 1; |
| } |
| if (wc == 0x203e) { |
| *r = 0x7e; |
| return 1; |
| } |
| return RET_ILSEQ; |
| } |