Account for octal marker in %#o format

1 files changed, 49 insertions, 0 deletions

diff --git a/stdio-common/tst-printf-oct.c b/stdio-common/tst-printf-oct.c
new file mode 100644
index 0000000..6588bb4
--- /dev/null
+++ b/stdio-common/tst-printf-oct.c
@@ -0,0 +1,49 @@
+/* Test printf width padding with octal format
+   Copyright (C) 2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <stdio.h>
+#include <support/check.h>
+#include <support/support.h>
+
+static int
+do_test (void)
+{
+  char buf[80];
+
+  sprintf (buf, "%-7o", 123);
+  TEST_COMPARE_STRING (buf, "173    ");
+
+  sprintf (buf, "%#-7o", 123);
+  TEST_COMPARE_STRING (buf, "0173   ");
+
+  sprintf (buf, "%7o", 123);
+  TEST_COMPARE_STRING (buf, "    173");
+
+  sprintf (buf, "%#7o", 123);
+  TEST_COMPARE_STRING (buf, "   0173");
+
+  sprintf (buf, "%07o", 123);
+  TEST_COMPARE_STRING (buf, "0000173");
+
+  sprintf (buf, "%#07o", 123);
+  TEST_COMPARE_STRING (buf, "0000173");
+
+  return 0;
+}
+
+#include <support/test-driver.c>