fix error in getopt with no arguments

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@839 42af7a65-404d-4744-a932-0658087f49c3
2008-08-23 15:04:50 +00:00 · 2008-08-23 15:04:50 +00:00 · 3afb380432
parent e716896a18
commit 3afb380432
1 changed files with 3 additions and 3 deletions
--- a/lib/lib_getopt.c
+++ b/lib/lib_getopt.c
@ -103,7 +103,7 @@ static boolean   g_binitialized = FALSE;

 int getopt(int argc, FAR char *const argv[], FAR const char *optstring)
 {
-  if (argv && optstring)
+  if (argv && optstring && argc > 1)
    {
      int noarg_ret = '?';
      char *optchar;