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Do not hang in format_trim_* on invalid UTF-8 characters.

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This commit is contained in:
nicm 2020-01-08 14:40:52 +00:00
parent 6628e542b5
commit 36eb16ce7d
1 changed files with 6 additions and 2 deletions
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8
format-draw.c
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@ -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;