| #include <wchar.h> |
| |
| static const unsigned char table[] = { |
| #include "nonspacing.h" |
| }; |
| |
| static const unsigned char wtable[] = { |
| #include "wide.h" |
| }; |
| |
| int wcwidth(wchar_t wc) { |
| if (wc < 0xffU) |
| return ((wc + 1) & 0x7f) >= 0x21 ? 1 : wc ? -1 : 0; |
| if ((wc & 0xfffeffffU) < 0xfffe) { |
| if ((table[table[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1) |
| return 0; |
| if ((wtable[wtable[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1) |
| return 2; |
| return 1; |
| } |
| if ((wc & 0xfffe) == 0xfffe) |
| return -1; |
| if (wc - 0x20000U < 0x20000) |
| return 2; |
| if (wc == 0xe0001 || wc - 0xe0020U < 0x5f || wc - 0xe0100 < 0xef) |
| return 0; |
| return 1; |
| } |
