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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [time/] [time.c] - Rev 182
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/* FUNCTION <<time>>---get current calendar time (as single number) INDEX time ANSI_SYNOPSIS #include <time.h> time_t time(time_t *<[t]>); TRAD_SYNOPSIS #include <time.h> time_t time(<[t]>) time_t *<[t]>; DESCRIPTION <<time>> looks up the best available representation of the current time and returns it, encoded as a <<time_t>>. It stores the same value at <[t]> unless the argument is <<NULL>>. RETURNS A <<-1>> result means the current time is not available; otherwise the result represents the current time. PORTABILITY ANSI C requires <<time>>. Supporting OS subroutine required: Some implementations require <<gettimeofday>>. */ /* Most times we have a system call in newlib/libc/sys/.. to do this job */ #include <_ansi.h> #include <reent.h> #include <sys/types.h> #include <sys/time.h> time_t _DEFUN (time, (t), time_t * t) { struct timeval now; if (_gettimeofday_r (_REENT, &now, NULL) >= 0) { if (t) *t = now.tv_sec; return now.tv_sec; } return -1; }
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