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Fail rather than fatal on UTF-8 width 0.

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This commit is contained in:
nicm 2020-06-02 11:29:00 +00:00
parent f3931497f8
commit 822ee4e0a6
1 changed files with 2 additions and 0 deletions
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2
utf8.c
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@ -135,6 +135,8 @@ utf8_from_data(const struct utf8_data *ud, utf8_char *uc)
union utf8_map m = { .uc = 0 };
u_int offset;
if (ud->width == 0)
goto fail;
if (ud->width != 1 && ud->width != 2)
fatalx("invalid UTF-8 width");
if (ud->size == 0)