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author | Christopher Faylor <me@cgf.cx> | 2000-02-17 19:39:52 +0000 |
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committer | Christopher Faylor <me@cgf.cx> | 2000-02-17 19:39:52 +0000 |
commit | 8a0efa53e44919bcf5ccb1d3353618a82afdf8bc (patch) | |
tree | 68c3dbf3f2c6fd5d49777def9914d77b5cd4589d /newlib/libc/time/time.c | |
parent | 1fd5e000ace55b323124c7e556a7a864b972a5c4 (diff) | |
download | cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.gz cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.bz2 cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.zip |
import newlib-2000-02-17 snapshot
Diffstat (limited to 'newlib/libc/time/time.c')
-rw-r--r-- | newlib/libc/time/time.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/newlib/libc/time/time.c b/newlib/libc/time/time.c new file mode 100644 index 000000000..38cce50f9 --- /dev/null +++ b/newlib/libc/time/time.c @@ -0,0 +1,59 @@ +/* FIXME: doc says "not avail" due to #if 0. + DELETE that line if inappropriate! */ +/* +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>>. +*/ + +#ifdef HAVE_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, (struct timezone *) 0) >= 0) + { + if (t) + *t = now.tv_sec; + return now.tv_sec; + } + return -1; +} + +#endif |