Add logic to automatically unload module on exit; Several patches from Mike Smith

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5528 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 13 insertions, 8 deletions

diff --git a/nuttx/binfmt/libbuiltin/libbuiltin_getname.c b/nuttx/binfmt/libbuiltin/libbuiltin_getname.c
index 01ac024f7..9da2bac29 100644
--- a/nuttx/binfmt/libbuiltin/libbuiltin_getname.c
+++ b/nuttx/binfmt/libbuiltin/libbuiltin_getname.c
@@ -83,10 +83,14 @@
 
 FAR const char *builtin_getname(int index)
 {
-  if (index < 0 || index >= number_builtins())
-   {
-     return NULL;
-   }
+  struct builtin_s *b;
 
-  return g_builtins[index].name;
+  b = builtin_for_index(index);
+
+  if (b != NULL)
+    {
+      return b->name;
+    }
+
+  return NULL;
 }
diff --git a/nuttx/binfmt/libbuiltin/libbuiltin_isavail.c b/nuttx/binfmt/libbuiltin/libbuiltin_isavail.c
index f99a4b81d..b1d55ff21 100644
--- a/nuttx/binfmt/libbuiltin/libbuiltin_isavail.c
+++ b/nuttx/binfmt/libbuiltin/libbuiltin_isavail.c
@@ -80,18 +80,19 @@
  * Name: builtin_isavail
  *
  * Description:
- *   Return the index into the table of applications for the applicaiton with
+ *   Return the index into the table of applications for the application with
  *   the name 'appname'.
  *
  ****************************************************************************/
 
 int builtin_isavail(FAR const char *appname)
 {
+  FAR const char *n;
   int i;
 
-  for (i = 0; g_builtins[i].name; i++)
+  for (i = 0; n = builtin_getname(i); i++)
     {
-      if (!strncmp(g_builtins[i].name, appname, NAME_MAX))
+      if (!strncmp(n, appname, NAME_MAX))
         {
           return i;
         }