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Prevent invalid form_update_line() call in formUpdateBuffer()

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Bug-Debian: https://github.com/tats/w3m/issues/82
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Tatsuya Kinoshita
2016-12-24 12:58:44 +09:00
parent d3048fe281
commit dc32152dc0
1 changed files with 2 additions and 1 deletions
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3
form.c
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@@ -490,7 +490,8 @@ formUpdateBuffer(Anchor *a, Buffer *buf, FormItemList *form)
spos = a->start.pos; spos = a->start.pos;
epos = a->end.pos; epos = a->end.pos;
} }
if (a->start.line != a->end.line || spos > epos || epos >= l->len || spos < 0 || epos < 0) if (a->start.line != a->end.line || spos > epos || epos >= l->len ||
spos < 0 || epos < 0 || COLPOS(l, epos) < col)
break; break;
pos = form_update_line(l, &p, spos, epos, COLPOS(l, epos) - col, pos = form_update_line(l, &p, spos, epos, COLPOS(l, epos) - col,
rows > 1, rows > 1,