treewide: refactor help messages

[mirror_iproute2.git] / ip / link_ip6tnl.c

diff --git a/ip/link_ip6tnl.c b/ip/link_ip6tnl.c
index 8d9feab17e6a885f4b3c3e6b95613e433ecceda4..c7b49b02aa099642b660a0377da87df978b899fd 100644 (file)
--- a/ip/link_ip6tnl.c
+++ b/ip/link_ip6tnl.c
@@ -32,46 +32,35 @@
 static void ip6tunnel_print_help(struct link_util *lu, int argc, char **argv,
                                 FILE *f)
 {
-       const char *mode;
-
-       fprintf(f,
-               "Usage: ... %-6s [ remote ADDR ]\n",
-               lu->id
-       );
-       fprintf(f,
-               "                  [ local ADDR ]\n"
-               "                  [ encaplimit ELIM ]\n"
-               "                  [ hoplimit HLIM ]\n"
-               "                  [ tclass TCLASS ]\n"
-               "                  [ flowlabel FLOWLABEL ]\n"
-               "                  [ dscp inherit ]\n"
-               "                  [ [no]allow-localremote ]\n"
-               "                  [ dev PHYS_DEV ]\n"
-               "                  [ fwmark MARK ]\n"
-               "                  [ external ]\n"
-               "                  [ noencap ]\n"
-               "                  [ encap { fou | gue | none } ]\n"
-               "                  [ encap-sport PORT ]\n"
-               "                  [ encap-dport PORT ]\n"
-               "                  [ [no]encap-csum ]\n"
-               "                  [ [no]encap-csum6 ]\n"
-               "                  [ [no]encap-remcsum ]\n"
-       );
-       mode = "{ ip6ip6 | ipip6 | any }";
-       fprintf(f,
-               "                  [ mode %s ]\n"
-               "\n",
-               mode
-       );
        fprintf(f,
-               "Where: ADDR      := IPV6_ADDRESS\n"
-               "       ELIM      := { none | 0..255 }(default=%d)\n"
-               "       HLIM      := 0..255 (default=%d)\n"
-               "       TCLASS    := { 0x0..0xff | inherit }\n"
-               "       FLOWLABEL := { 0x0..0xfffff | inherit }\n"
-               "       MARK      := { 0x0..0xffffffff | inherit }\n",
-               IPV6_DEFAULT_TNL_ENCAP_LIMIT, DEFAULT_TNL_HOP_LIMIT
-       );
+               "Usage: ... %-6s        [ remote ADDR ]\n"
+               "                       [ local ADDR ]\n"
+               "                       [ encaplimit ELIM ]\n"
+               "                       [ hoplimit HLIM ]\n"
+               "                       [ tclass TCLASS ]\n"
+               "                       [ flowlabel FLOWLABEL ]\n"
+               "                       [ dscp inherit ]\n"
+               "                       [ [no]allow-localremote ]\n"
+               "                       [ dev PHYS_DEV ]\n"
+               "                       [ fwmark MARK ]\n"
+               "                       [ external ]\n"
+               "                       [ noencap ]\n"
+               "                       [ encap { fou | gue | none } ]\n"
+               "                       [ encap-sport PORT ]\n"
+               "                       [ encap-dport PORT ]\n"
+               "                       [ [no]encap-csum ]\n"
+               "                       [ [no]encap-csum6 ]\n"
+               "                       [ [no]encap-remcsum ]\n"
+               "                       [ mode { ip6ip6 | ipip6 | any } ]\n"
+               "\n"
+               "Where: ADDR      := IPV6_ADDRESS\n"
+               "       ELIM      := { none | 0..255 }(default=%d)\n"
+               "       HLIM      := 0..255 (default=%d)\n"
+               "       TCLASS    := { 0x0..0xff | inherit }\n"
+               "       FLOWLABEL := { 0x0..0xfffff | inherit }\n"
+               "       MARK      := { 0x0..0xffffffff | inherit }\n",
+               lu->id,
+               IPV6_DEFAULT_TNL_ENCAP_LIMIT, DEFAULT_TNL_HOP_LIMIT);
 }
 
 static int ip6tunnel_parse_opt(struct link_util *lu, int argc, char **argv,