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| author | Tavian Barnes <tavianator@tavianator.com> | 2023-09-06 16:23:10 -0400 |
|---|---|---|
| committer | Tavian Barnes <tavianator@tavianator.com> | 2023-09-06 16:35:39 -0400 |
| commit | 90f9205b40b2f2049df46d819d14d67bfcb055be (patch) | |
| tree | a2829130307c85d74b3c83562cfd20a15f3168f3 /src/bfstd.c | |
| parent | 377709664480a30fa5acdd11c7ca8c16669678ce (diff) | |
| download | bfs-90f9205b40b2f2049df46d819d14d67bfcb055be.tar.xz | |
bfstd: Fix printable_len() off-by-one
If xmbrtowc() fails, or if xiswprint() is false, then we shouldn't
include that wide char in the printable length.
Fixes: 19c96abe0a1ee56cf206fd5e87defb1fd3e0daa5
Diffstat (limited to 'src/bfstd.c')
| -rw-r--r-- | src/bfstd.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/bfstd.c b/src/bfstd.c index 2d9f60a..61d2fee 100644 --- a/src/bfstd.c +++ b/src/bfstd.c @@ -666,9 +666,9 @@ static size_t printable_len(const char *str, size_t len, enum wesc_flags flags) multibyte: memset(&mb, 0, sizeof(mb)); - while (i < len) { + for (size_t j = i; i < len; i = j) { wchar_t wc; - if (xmbrtowc(&wc, &i, str, len, &mb) != 0) { + if (xmbrtowc(&wc, &j, str, len, &mb) != 0) { break; } if (!xiswprint(wc, flags)) { |