Add missing liblog dependency

[android-x86/external-toybox.git] / toys / other / sysctl.c

diff --git a/toys/other/sysctl.c b/toys/other/sysctl.c
index d4ed1b0..ad643c9 100644 (file)
--- a/toys/other/sysctl.c
+++ b/toys/other/sysctl.c
@@ -19,7 +19,7 @@ config SYSCTL
     -e Don't warn about unknown keys
     -N Don't print key values
     -n Don't print key names
-    -p [FILE]  Read values from FILE (default /etc/sysctl.conf)
+    -p Read values from FILE (default /etc/sysctl.conf)
     -q Don't show value after write
     -w Only write values (object to reading)
 */
@@ -50,7 +50,7 @@ static void key_error(char *key)
 
 static int write_key(char *path, char *key, char *value)
 {
-  int fd = open(path, O_WRONLY);;
+  int fd = open(path, O_WRONLY);
 
   if (fd < 0) {
     key_error(key);
@@ -148,5 +148,8 @@ void sysctl_main()
     fclose(fp);
 
   // Loop through arguments, displaying or assigning as appropriate
-  } else for (args = toys.optargs; *args; args++) process_key(*args, 0);
+  } else {
+    if (!*toys.optargs) help_exit(0);
+    for (args = toys.optargs; *args; args++) process_key(*args, 0);
+  }
 }