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#pragma once
#include <time.h>
#include <sys/time.h>
typedef struct timeval Time;
static OptionalText_t _local_timezone = NONE_TEXT;
static INLINE Text_t num_format(long n, const char *unit)
{
if (n == 0)
return Text("now");
return Text$format((n == 1 || n == -1) ? "%ld %s %s" : "%ld %ss %s", n < 0 ? -n : n, unit, n < 0 ? "ago" : "later");
}
static void set_local_timezone(Text_t tz)
{
setenv("TZ", Text$as_c_string(tz), 1);
_local_timezone = tz;
tzset();
}
#define WITH_TIMEZONE(tz, body) ({ if (tz.length >= 0) { \
OptionalText_t old_timezone = _local_timezone; \
set_local_timezone(tz); \
body; \
set_local_timezone(old_timezone); \
} else { \
body; \
}})
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