Update.

[glibc.git] / nis / nis_verifygroup.c

diff --git a/nis/nis_verifygroup.c b/nis/nis_verifygroup.c
index 6d3ec7b7b78df340e400a1deac36b12434eab89e..e04a8386b90fcbd3706bf6c040d3cb3a1c73c5da 100644 (file)
--- a/nis/nis_verifygroup.c
+++ b/nis/nis_verifygroup.c
@@ -23,11 +23,12 @@
 nis_error
 nis_verifygroup (const_nis_name group)
 {
-  if (group != NULL && strlen (group) > 0)
+  if (group != NULL && group[0] != '\0')
     {
-      char buf[strlen (group) + 50];
-      char leafbuf[strlen (group) + 2];
-      char domainbuf[strlen (group) + 2];
+      size_t grouplen = strlen (group);
+      char buf[grouplen + 50];
+      char leafbuf[grouplen + 2];
+      char domainbuf[grouplen + 2];
       nis_result *res;
       nis_error status;
       char *cp, *cp2;
@@ -35,7 +36,7 @@ nis_verifygroup (const_nis_name group)
       cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1));
       cp = stpcpy (cp, ".groups_dir");
       cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
-      if (cp2 != NULL && strlen (cp2) > 0)
+      if (cp2 != NULL && cp2[0] != '\0')
        {
          *cp++ = '.';
          stpcpy (cp, cp2);