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-rw-r--r--extensions/libxt_sctp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/extensions/libxt_sctp.c b/extensions/libxt_sctp.c
index d3379d30..5dbc36f5 100644
--- a/extensions/libxt_sctp.c
+++ b/extensions/libxt_sctp.c
@@ -298,10 +298,10 @@ sctp_parse(int c, char **argv, int invert, unsigned int *flags,
return 1;
}
-static char *
+static const char *
port_to_service(int port)
{
- struct servent *service;
+ const struct servent *service;
if ((service = getservbyport(htons(port), "sctp")))
return service->s_name;
@@ -312,7 +312,7 @@ port_to_service(int port)
static void
print_port(uint16_t port, int numeric)
{
- char *service;
+ const char *service;
if (numeric || (service = port_to_service(port)) == NULL)
printf("%u", port);