Fix from Matt Kraai -- a better way to NULL terminate strings for the

my_* passwd and group routines.  I should have thought of doing it
this way...


git-svn-id: svn://busybox.net/trunk/busybox@1443 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 4 insertions, 8 deletions

diff --git a/id.c b/id.c
index 86667f516..3a8e77a1f 100644
--- a/id.c
+++ b/id.c
@@ -31,12 +31,11 @@
 extern int id_main(int argc, char **argv)
 {
         int no_user = 0, no_group = 0, print_real = 0;
-        char *cp, *user, *group;
+        char user[9], group[9];
         long gid;
         long pwnam, grnam;
         int opt;
         
-        cp = user = group = NULL;
         gid = 0;
 
         while ((opt = getopt(argc, argv, "ugr")) > 0) {
@@ -57,11 +56,7 @@ extern int id_main(int argc, char **argv)
 
         if (no_user && no_group) usage(id_usage);
 
-        user = argv[optind];
-
-        if (user == NULL) {
-                user = xcalloc(9, sizeof(char));
-                group = xcalloc(9, sizeof(char));
+        if (argv[optind] == NULL) {
                 if (print_real) {
                         my_getpwuid(user, getuid());
                         my_getgrgid(group, getgid());
@@ -70,7 +65,8 @@ extern int id_main(int argc, char **argv)
                         my_getgrgid(group, getegid());
                 }
         } else {
-                group = xcalloc(9, sizeof(char));
+                strncpy(user, argv[optind], 8);
+                user[8] = '\0';
             gid = my_getpwnamegid(user);
                 my_getgrgid(group, gid);
         }