You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1.5 KiB
53 lines
1.5 KiB
/***
|
|
*difftime.c - return difference between two times as a double
|
|
*
|
|
* Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved.
|
|
*
|
|
*Purpose:
|
|
* Find difference between two time in seconds.
|
|
*
|
|
*Revision History:
|
|
* 12-11-87 JCR Added "_LOAD_DS" to declaration
|
|
* 08-15-89 PHG Made MTHREAD version _pascal
|
|
* 11-20-89 JCR difftime() always _cdecl (not pascal even under
|
|
* mthread)
|
|
* 03-20-90 GJF Replaced _LOAD_DS with CALLTYPE1, added #include
|
|
* <cruntime.h> and fixed the copyright. Also, cleaned
|
|
* up the formatting a bit.
|
|
* 10-04-90 GJF New-style function declarator.
|
|
* 05-19-92 DJM ifndef for POSIX build.
|
|
* 04-06-93 SKS Replace _CRTAPI* with __cdecl
|
|
* 08-30-99 PML Fix function header comment, detab.
|
|
*
|
|
*******************************************************************************/
|
|
|
|
#ifndef _POSIX_
|
|
|
|
#include <cruntime.h>
|
|
#include <time.h>
|
|
|
|
/***
|
|
*double difftime(b, a) - find difference between two times
|
|
*
|
|
*Purpose:
|
|
* returns difference between two times (b-a)
|
|
*
|
|
*Entry:
|
|
* time_t a, b - times to difference
|
|
*
|
|
*Exit:
|
|
* returns a double with the time in seconds between two times
|
|
*
|
|
*Exceptions:
|
|
*
|
|
*******************************************************************************/
|
|
|
|
double __cdecl difftime (
|
|
time_t b,
|
|
time_t a
|
|
)
|
|
{
|
|
return( (double)( b - a ) );
|
|
}
|
|
|
|
#endif /* _POSIX_ */
|