diff options
| author | Nicholas Marriott <nicm@cvs.openbsd.org> | 2020-01-08 14:40:53 +0000 |
|---|---|---|
| committer | Nicholas Marriott <nicm@cvs.openbsd.org> | 2020-01-08 14:40:53 +0000 |
| commit | e2f34de7de4ed14024e13486ab48f04884e2a7b2 (patch) | |
| tree | 601b9e7c7d204ddadb810f956a2cd5f0a220f303 /usr.bin/tmux/format-draw.c | |
| parent | 7f288945c56301f34ea4f95b7c715b915d0021a8 (diff) | |
Do not hang in format_trim_* on invalid UTF-8 characters.
Diffstat (limited to 'usr.bin/tmux/format-draw.c')
| -rw-r--r-- | usr.bin/tmux/format-draw.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/usr.bin/tmux/format-draw.c b/usr.bin/tmux/format-draw.c index 441bfe7fc4e..c4264cde02a 100644 --- a/usr.bin/tmux/format-draw.c +++ b/usr.bin/tmux/format-draw.c @@ -1,4 +1,4 @@ -/* $OpenBSD: format-draw.c,v 1.13 2019/09/15 21:42:57 nicm Exp $ */ +/* $OpenBSD: format-draw.c,v 1.14 2020/01/08 14:40:52 nicm Exp $ */ /* * Copyright (c) 2019 Nicholas Marriott <nicholas.marriott@gmail.com> @@ -849,8 +849,10 @@ format_trim_left(const char *expanded, u_int limit) out += ud.size; } width += ud.width; - } else + } else { cp -= ud.have; + cp++; + } } else if (*cp > 0x1f && *cp < 0x7f) { if (width + 1 <= limit) *out++ = *cp; @@ -896,8 +898,10 @@ format_trim_right(const char *expanded, u_int limit) out += ud.size; } width += ud.width; - } else + } else { cp -= ud.have; + cp++; + } } else if (*cp > 0x1f && *cp < 0x7f) { if (width >= skip) *out++ = *cp; |