Preserve the space in static routes on the command line.

Thanks to br@waldteufel.eu.

diff --git a/if-options.c b/if-options.c
index 69d1a990bb0602941b259f4ad69b6ec235e65d2a..372ee24ffe8ab4c7b560eeda579bf4051f760966 100644 (file)
--- a/if-options.c
+++ b/if-options.c
@@ -341,7 +341,7 @@ static int
 parse_option(struct if_options *ifo, int opt, const char *arg)
 {
        int i;
-       char *p = NULL, *np;
+       char *p = NULL, *fp, *np;
        ssize_t s;
        struct in_addr addr, addr2;
        struct rt *rt;
@@ -654,7 +654,7 @@ parse_option(struct if_options *ifo, int opt, const char *arg)
                    strncmp(arg, "classless_static_routes=", strlen("classless_static_routes=")) == 0 ||
                    strncmp(arg, "ms_classless_static_routes=", strlen("ms_classless_static_routes=")) == 0)
                {
-                       np = strchr(p, ' ');
+                       fp = np = strchr(p, ' ');
                        if (np == NULL) {
                                syslog(LOG_ERR, "all routes need a gateway");
                                return -1;
@@ -674,7 +674,11 @@ parse_option(struct if_options *ifo, int opt, const char *arg)
                        rt->next = NULL;
                        if (parse_addr(&rt->dest, &rt->net, p) == -1 ||
                            parse_addr(&rt->gate, NULL, np) == -1)
+                       {
+                               *fp = ' ';
                                return -1;
+                       }
+                       *fp = ' ';
                } else if (strncmp(arg, "routers=", strlen("routers=")) == 0) {
                        if (ifo->routes == NULL) {
                                rt = ifo->routes = xzalloc(sizeof(*rt));