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Prevent negative array index for marks in shiftAnchorPosition()

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Bug-Debian: https://github.com/tats/w3m/issues/62
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Tatsuya Kinoshita
2016-12-05 00:00:18 +09:00
parent 13cca01a6f
commit d57c13282a
1 changed files with 2 additions and 1 deletions
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3
anchor.c
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@@ -551,7 +551,8 @@ shiftAnchorPosition(AnchorList *al, HmarkerList *hl, int line, int pos,
break; break;
if (a->start.pos > pos) { if (a->start.pos > pos) {
a->start.pos += shift; a->start.pos += shift;
if (hl && hl->marks && hl->marks[a->hseq].line == line) if (hl && hl->marks &&
a->hseq >= 0 && hl->marks[a->hseq].line == line)
hl->marks[a->hseq].pos = a->start.pos; hl->marks[a->hseq].pos = a->start.pos;
} }
if (a->end.pos >= pos) if (a->end.pos >= pos)