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Make further progress on non-x86 support

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This commit is contained in:
Justine Tunney 2023-05-08 21:38:30 -07:00
parent aef9a69a60
commit 036b9a0002
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GPG key ID: BE714B4575D6E328
155 changed files with 2307 additions and 653 deletions
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14
libc/str/wcwidth.c
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@ -17,6 +17,7 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/intrin/likely.h"
#include "libc/str/str.h"
#include "libc/str/unicode.h"
extern const uint8_t kEastAsianWidth[];
@ -28,6 +29,7 @@ extern const uint32_t kCombiningCharsBits;
* Returns cell width of monospace character.
*/
int wcwidth(wchar_t c) {
#ifdef __x86_64__
if (LIKELY(32 <= c && c < 127)) {
return 1;
} else if (!c) {
@ -42,4 +44,16 @@ int wcwidth(wchar_t c) {
} else {
return 1;
}
#else
if (!c) return 0;
if (c < 0 || iswcntrl(c)) return -1;
return 1 +
(c >= 0x1100 &&
(c <= 0x115f || c == 0x2329 || c == 0x232a ||
(c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) ||
(c >= 0xac00 && c <= 0xd7a3) || (c >= 0xf900 && c <= 0xfaff) ||
(c >= 0xfe10 && c <= 0xfe19) || (c >= 0xfe30 && c <= 0xfe6f) ||
(c >= 0xff00 && c <= 0xff60) || (c >= 0xffe0 && c <= 0xffe6) ||
(c >= 0x20000 && c <= 0x2fffd) || (c >= 0x30000 && c <= 0x3fffd)));
#endif
}