| OLD | NEW |
| 1 #include <wctype.h> | 1 #include <wctype.h> |
| 2 #include "libc.h" | 2 #include "libc.h" |
| 3 | 3 |
| 4 /* Consider all legal codepoints as printable except for: | 4 /* Consider all legal codepoints as printable except for: |
| 5 * - C0 and C1 control characters | 5 * - C0 and C1 control characters |
| 6 * - U+2028 and U+2029 (line/para break) | 6 * - U+2028 and U+2029 (line/para break) |
| 7 * - U+FFF9 through U+FFFB (interlinear annotation controls) | 7 * - U+FFF9 through U+FFFB (interlinear annotation controls) |
| 8 * The following code is optimized heavily to make hot paths for the | 8 * The following code is optimized heavily to make hot paths for the |
| 9 * expected printable characters. */ | 9 * expected printable characters. */ |
| 10 | 10 |
| 11 int iswprint(wint_t wc) | 11 int iswprint(wint_t wc) { |
| 12 { | 12 if (wc < 0xffU) |
| 13 » if (wc < 0xffU) | 13 return (wc + 1 & 0x7f) >= 0x21; |
| 14 » » return (wc+1 & 0x7f) >= 0x21; | 14 if (wc < 0x2028U || wc - 0x202aU < 0xd800 - 0x202a || |
| 15 » if (wc < 0x2028U || wc-0x202aU < 0xd800-0x202a || wc-0xe000U < 0xfff9-0x
e000) | 15 wc - 0xe000U < 0xfff9 - 0xe000) |
| 16 » » return 1; | 16 return 1; |
| 17 » if (wc-0xfffcU > 0x10ffff-0xfffc || (wc&0xfffe)==0xfffe) | 17 if (wc - 0xfffcU > 0x10ffff - 0xfffc || (wc & 0xfffe) == 0xfffe) |
| 18 » » return 0; | 18 return 0; |
| 19 » return 1; | 19 return 1; |
| 20 } | 20 } |
| 21 | 21 |
| 22 int __iswprint_l(wint_t c, locale_t l) | 22 int __iswprint_l(wint_t c, locale_t l) { |
| 23 { | 23 return iswprint(c); |
| 24 » return iswprint(c); | |
| 25 } | 24 } |
| 26 | 25 |
| 27 weak_alias(__iswprint_l, iswprint_l); | 26 weak_alias(__iswprint_l, iswprint_l); |
| OLD | NEW |