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Do not loop forever if someone tries to give WCHAR_MAX a width, GitHub issue

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5602.
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nicm
2026-09-20 08:11:00 +00:00
committed by tmux update bot
parent d1d07f9790
commit d4dc032599
1 changed files with 7 additions and 2 deletions
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9
utf8.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: utf8.c,v 1.72 2026/09/01 12:49:49 nicm Exp $ */
/* $OpenBSD: utf8.c,v 1.73 2026/09/20 08:11:00 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -373,8 +373,13 @@ utf8_add_to_width_cache(const char *s)
wc_end = wc_start;
}
for (wc = wc_start; wc <= wc_end; wc++)
wc = wc_start;
for (;;) {
utf8_insert_width_cache(wc, width);
if (wc == wc_end)
break;
wc++;
}
} else {
utf8_no_width = 1;
ud = utf8_fromcstr(copy);