[GitHub] [incubator-nuttx-apps] jlaitine commented on a diff in pull request #1194: nshlib/nsh_envcmd.c: Change cmd_unset to only unset existing env vari…

[GitBox]

jlaitine commented on code in PR #1194:
URL: 
https://github.com/apache/incubator-nuttx-apps/pull/1194#discussion_r894397551


##########
nshlib/nsh_envcmds.c:
##########
@@ -533,30 +533,46 @@ int cmd_unset(FAR struct nsh_vtbl_s *vtbl, int argc, char 
**argv)
 {
 #if defined(CONFIG_NSH_VARS) || !defined(CONFIG_DISABLE_ENVIRON)
   int status;
+  FAR char *oldvalue;
 #endif
   int ret = OK;
 
 #if defined(CONFIG_NSH_VARS)
-  /* Unset NSH variable */
+#ifndef CONFIG_DISABLE_ENVIRON
+      /* Check if the NSH variable has already been promoted to an group-

Review Comment:
   mistake, will fix



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