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-rw-r--r--lwip/options.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lwip/options.c b/lwip/options.c
index 6591ac52..d35b9f32 100644
--- a/lwip/options.c
+++ b/lwip/options.c
@@ -133,7 +133,7 @@ parse_opt (int opt, char *arg, struct argp_state *state)
}
in = h->curint;
- strncpy (in->dev_name, arg, DEV_NAME_LEN);
+ strncpy (in->dev_name, arg, sizeof(in->dev_name)-1);
break;
case 'a':