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added more comments for what the functions return

This commit is contained in:
Daniel Stenberg 2004-03-30 08:11:54 +00:00
parent a7376968d2
commit cd160a66c9
1 changed files with 7 additions and 3 deletions
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10
lib/timeval.c
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@ -78,7 +78,8 @@ static int gettimeofday(struct timeval *tp, void *nothing)
#endif /* WIN32 */ #endif /* WIN32 */
#endif /* HAVE_GETTIMEOFDAY */ #endif /* HAVE_GETTIMEOFDAY */
struct timeval Curl_tvnow (void) /* Return the current time in a timeval struct */
struct timeval Curl_tvnow(void)
{ {
struct timeval now; struct timeval now;
(void)gettimeofday(&now, NULL); (void)gettimeofday(&now, NULL);
@ -88,14 +89,17 @@ struct timeval Curl_tvnow (void)
/* /*
* Make sure that the first argument is the more recent time, as otherwise * Make sure that the first argument is the more recent time, as otherwise
* we'll get a weird negative time-diff back... * we'll get a weird negative time-diff back...
*
* Returns: the time difference in number of milliseconds.
*/ */
long Curl_tvdiff (struct timeval newer, struct timeval older) long Curl_tvdiff(struct timeval newer, struct timeval older)
{ {
return (newer.tv_sec-older.tv_sec)*1000+ return (newer.tv_sec-older.tv_sec)*1000+
(499+newer.tv_usec-older.tv_usec)/1000; (499+newer.tv_usec-older.tv_usec)/1000;
} }
long Curl_tvlong (struct timeval t1) /* return the number of seconds in the given input timeval struct */
long Curl_tvlong(struct timeval t1)
{ {
return t1.tv_sec; return t1.tv_sec;
} }