usage: do not print trailing space for commands which have no arguments
function old new delta
bb_show_usage 120 130 +10
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index 769b788..f155d09 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -169,8 +169,11 @@
else {
full_write2_str("\nUsage: ");
full_write2_str(applet_name);
- full_write2_str(" ");
- full_write2_str(p);
+ if (p[0]) {
+ if (p[0] != '\n')
+ full_write2_str(" ");
+ full_write2_str(p);
+ }
full_write2_str("\n");
}
if (ENABLE_FEATURE_CLEAN_UP)