This modifier was recently added. Turn the description from its commit
message into a test.
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
test/self/printf.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/test/self/printf.c b/test/self/printf.c
index ec74df32ee4b..7a74660868c2 100644
--- a/test/self/printf.c
+++ b/test/self/printf.c
@@ -277,6 +277,23 @@ errptr(void)
test("Requested probe deferral", "%pe", ERR_PTR(-EPROBE_DEFER));
}
+static void __init
+test_hexstr(void)
+{
+ u8 buf[4] = { 0, 1, 2, 3 };
+
+ if (!IS_ENABLED(CONFIG_PRINTF_HEXSTR)) {
+ pr_info("skipping hexstr tests: disabled in config\n");
+ skipped_tests += 4;
+ return;
+ }
+
+ test("[00 01 02 03]", "[%*ph]", (int)sizeof(buf), buf);
+ test("[00:01:02:03]", "[%*phC]", (int)sizeof(buf), buf);
+ test("[00-01-02-03]", "[%*phD]", (int)sizeof(buf), buf);
+ test("[00010203]", "[%*phN]", (int)sizeof(buf), buf);
+}
+
static void __init
test_pointer(void)
{
@@ -299,6 +316,7 @@ static void __init test_printf(void)
test_number();
test_string();
test_pointer();
+ test_hexstr();
free(alloced_buffer);
}
--
2.30.2
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