usage() should exit with code 2, too.

diff --git a/box/box.c b/box/box.c
index efbdc31148406a82acdf23ee5dfb68e103d56712..c1dcabf34c39c7b295645df3a924f6caaa5bfb79 100644 (file)
--- a/box/box.c
+++ b/box/box.c
@@ -935,7 +935,7 @@ Options:\n\
 -v\t\tBe verbose (use multiple times for even more verbosity)\n\
 -w <time>\tSet wall clock time limit (seconds, fractions allowed)\n\
 ");
-  exit(1);
+  exit(2);
 }
 
 int