Libinfo-89.tar.gz

[apple/libinfo.git] / lookup.subproj / lu_service.c

diff --git a/lookup.subproj/lu_service.c b/lookup.subproj/lu_service.c
index 2fd3e2aea3378e15d5aac42c9de4fa14424b0180..4dc60e59dbafe0d3f5e35cb13f09f8085685219e 100644 (file)
--- a/lookup.subproj/lu_service.c
+++ b/lookup.subproj/lu_service.c
@@ -60,13 +60,18 @@ freeold(void)
 
        if (global_free == 1) return;
 
-       free(global_s.s_name);
+       if (global_s.s_name != NULL) free(global_s.s_name);
+       global_s.s_name = NULL;
+
+       if (global_s.s_proto != NULL) free(global_s.s_proto);
+       global_s.s_proto = NULL;
 
        aliases = global_s.s_aliases;
        if (aliases != NULL)
        {
                while (*aliases != NULL) free(*aliases++);
                free(global_s.s_aliases);
+               global_s.s_aliases = NULL;
        }
 
        global_free = 1;
@@ -91,7 +96,7 @@ convert_s(_lu_servent *lu_s)
 
        global_s.s_aliases[len] = NULL;
 
-       global_s.s_proto = lu_s->s_proto;
+       if (lu_s->s_proto != NULL) global_s.s_proto = strdup(lu_s->s_proto);
        global_s.s_port = lu_s->s_port;
 
        global_free = 0;