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-rw-r--r--usr.bin/checknr/checknr.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/usr.bin/checknr/checknr.c b/usr.bin/checknr/checknr.c
index 774d3b0..336eb67 100644
--- a/usr.bin/checknr/checknr.c
+++ b/usr.bin/checknr/checknr.c
@@ -216,6 +216,7 @@ char **argv;
if (cp[2] && cp[2] != '.')
usage();
strncpy(b1, cp, 2);
+ b1[2] = '\0';
addmac(b1);
}
break;
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