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lib/vsprintf: Add specifier for printing struct timespec64

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A handful drivers want to print a content of the struct timespec64
in a format of %lld:%09ld. In order to make their lives easier, add
the respecting specifier directly to the printf() implementation.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Tested-by: Petr Mladek <pmladek@suse.com>
Link: https://patch.msgid.link/20251113150217.3030010-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
This commit is contained in:
Andy Shevchenko
2025-11-13 15:32:15 +01:00
committed by Petr Mladek
parent 48e3694ae7
commit bccd593744
3 changed files with 40 additions and 3 deletions
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4
lib/tests/printf_kunit.c
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@@ -504,6 +504,7 @@ time_and_date(struct kunit *kunittest)
};
/* 2019-01-04T15:32:23 */
time64_t t = 1546615943;
struct timespec64 ts = { .tv_sec = t, .tv_nsec = 11235813 };
test("(%pt?)", "%pt", &tm);
test("2018-11-26T05:35:43", "%ptR", &tm);
@@ -522,6 +523,9 @@ time_and_date(struct kunit *kunittest)
test("0119-00-04 15:32:23", "%ptTsr", &t);
test("15:32:23|2019-01-04", "%ptTts|%ptTds", &t, &t);
test("15:32:23|0119-00-04", "%ptTtrs|%ptTdrs", &t, &t);
test("2019-01-04T15:32:23.011235813", "%ptS", &ts);
test("1546615943.011235813", "%ptSp", &ts);
}
static void