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Subject: Prevent negative array index for realColumn in calcPosition()
From: Tatsuya Kinoshita <tats@debian.org>
Bug-Debian: https://github.com/tats/w3m/issues/69
Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=1978455e2ed01699789e8374d29515b74b867b2b
---
etc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/etc.c b/etc.c
index 8fe1215..af8a5d3 100644
--- a/etc.c
+++ b/etc.c
@@ -498,7 +498,7 @@ calcPosition(char *l, Lineprop *pr, int len, int pos, int bpos, int mode)
static char *prevl = NULL;
int i, j;
- if (l == NULL || len == 0)
+ if (l == NULL || len == 0 || pos < 0)
return bpos;
if (l == prevl && mode == CP_AUTO) {
if (pos <= len)
--
2.10.2
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