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lib/vsprintf: Print time64_t in human readable format

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There are users which print time and date represented by content of
time64_t type in human readable format.

Instead of open coding that each time introduce %ptT[dt][r] specifier.

Few test cases for %ptT specifier has been added as well.

Link: https://lore.kernel.org/r/20200415170046.33374-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Rewieved-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
This commit is contained in:
Andy Shevchenko
2020-04-15 20:00:44 +03:00
committed by Petr Mladek
parent 8f3d9f3542
commit 7daac5b2fd
3 changed files with 51 additions and 15 deletions
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13
lib/test_printf.c
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@@ -478,7 +478,7 @@ struct_va_format(void)
}
static void __init
struct_rtc_time(void)
time_and_date(void)
{
/* 1543210543 */
const struct rtc_time tm = {
@@ -489,14 +489,21 @@ struct_rtc_time(void)
.tm_mon = 10,
.tm_year = 118,
};
/* 2019-01-04T15:32:23 */
time64_t t = 1546615943;
test("(%ptR?)", "%pt", &tm);
test("(%pt?)", "%pt", &tm);
test("2018-11-26T05:35:43", "%ptR", &tm);
test("0118-10-26T05:35:43", "%ptRr", &tm);
test("05:35:43|2018-11-26", "%ptRt|%ptRd", &tm, &tm);
test("05:35:43|0118-10-26", "%ptRtr|%ptRdr", &tm, &tm);
test("05:35:43|2018-11-26", "%ptRttr|%ptRdtr", &tm, &tm);
test("05:35:43 tr|2018-11-26 tr", "%ptRt tr|%ptRd tr", &tm, &tm);
test("2019-01-04T15:32:23", "%ptT", &t);
test("0119-00-04T15:32:23", "%ptTr", &t);
test("15:32:23|2019-01-04", "%ptTt|%ptTd", &t, &t);
test("15:32:23|0119-00-04", "%ptTtr|%ptTdr", &t, &t);
}
static void __init
@@ -661,7 +668,7 @@ test_pointer(void)
uuid();
dentry();
struct_va_format();
struct_rtc_time();
time_and_date();
struct_clk();
bitmap();
netdev_features();