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Prevent segfault for formUpdateBuffer

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Bug-Debian: https://github.com/tats/w3m/issues/13#issuecomment-242981906
This commit is contained in:
Tatsuya Kinoshita
2016-08-29 19:27:38 +09:00
parent 6445eb8378
commit 7b88478227
1 changed files with 2 additions and 2 deletions
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4
form.c
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@@ -483,8 +483,8 @@ 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) if (a->start.line != a->end.line || spos > epos || epos >= l->len)
epos = spos; 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,
form->type == FORM_INPUT_PASSWORD); form->type == FORM_INPUT_PASSWORD);