Fix invalid pointer arithmetic.

[nmh] / test / format / test-dp

diff --git a/test/format/test-dp b/test/format/test-dp
index 2c5b99608f9d5ae889f8e7c22a3943cab135d46c..7805d0bf9c039414fbfa57bde83f49b7c64b5c5a 100755 (executable)
--- a/test/format/test-dp
+++ b/test/format/test-dp
@@ -19,6 +19,17 @@ setup_test
 # Use proper program, likely not the first one on PATH.
 dp="${MH_LIBEXEC_DIR}/dp"
 
+check_exit '-eq 1' $dp -
+check_exit '-eq 1' $dp -format foo -form
+check_exit '-eq 1' $dp -form foo -format
+check_exit '-eq 1' $dp -width
+x=tendixzehn
+l=$x$x$x$x$x
+c=$l$l
+check_exit '-eq 1' $dp `echo $c | sed 's/./ &/g'` 101
+COLUMNS=1 check_exit '-eq 0' $dp foo
+check_exit '-eq 0' $dp -width 0 foo
+
 expected="$MH_TEST_DIR/$$.expected"
 expected_err="$MH_TEST_DIR/$$.expected_err"
 actual="$MH_TEST_DIR/$$.actual"
@@ -37,7 +48,7 @@ Usage: dp [switches] dates ...
 EOF
 
 #### Skip nmh intro text.
-run_prog "$dp" -help | sed '/^$/Q' >"$actual" 2>&1
+run_prog "$dp" -help | sed '/^$/,$d' >"$actual" 2>&1
 check "$expected" "$actual"
 
 # check -version