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Count width of 2 for invalid multibyte with high bit

weechat-hashes
C. McEnroe 2021-01-09 17:28:42 -05:00
parent 8d57d700a5
commit bf70fcbfed
1 changed files with 5 additions and 4 deletions
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9
buffer.c
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@ -123,17 +123,18 @@ static int flow(struct Lines *hard, int cols, const struct Line *soft) {
int n = mbtowc(&wc, str, len); int n = mbtowc(&wc, str, len);
if (n < 0) { if (n < 0) {
n = 1; n = 1;
width++; // ncurses will render these as "~A".
width += (*str & '\200' ? 2 : 1);
} else if (wc == ZWS || wc == ZWNJ) { } else if (wc == ZWS || wc == ZWNJ) {
// XXX: ncurses likes to render these as spaces when they should be // ncurses likes to render these as spaces when they should be
// zero-width, so just remove them entirely. // zero-width, so just remove them entirely.
memmove(str, &str[n], strlen(&str[n]) + 1); memmove(str, &str[n], strlen(&str[n]) + 1);
continue; continue;
} else if (wc == L'\t') { } else if (wc == L'\t') {
// XXX: Assuming TABSIZE = 8. // Assuming TABSIZE = 8.
width += 8 - (width % 8); width += 8 - (width % 8);
} else if (wc < L' ' || wc == L'\177') { } else if (wc < L' ' || wc == L'\177') {
// XXX: ncurses will render these as "^A". // ncurses will render these as "^A".
width += 2; width += 2;
} else if (wcwidth(wc) > 0) { } else if (wcwidth(wc) > 0) {
width += wcwidth(wc); width += wcwidth(wc);