Date: Sun, 12 Oct 1997 20:18:52 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: xaa@stack.nl (Mark Huizer) Cc: joerg_wunsch@uriah.heep.sax.de, freebsd-hackers@FreeBSD.ORG, denny1@home.com Subject: Re: wish /bin/sleep handled fractions of a second. Message-ID: <199710122018.NAA18736@usr05.primenet.com> In-Reply-To: <19971012152916.52277@xaa.stack.nl> from "Mark Huizer" at Oct 12, 97 03:29:16 pm
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> I'd like it too. Is it too tough? Perhaps in 2 weeks, after finishing my
> graduation, I could look at it. Either you change sleep to look like:
>
> sleep [-m] NUMBER
>
> where -m means: the NUMBER is in milliseconds
>
> or you make it:
>
> sleep NUMBER[.NUMBER]
>
> where .number is the decimal part of the second.
>
> Any preferences?
Yes. I prefer that someone else fix the man page after this patch is
committed.
Terry Lambert
terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.
Index: sleep.c
===================================================================
RCS file: /b/cvstree/ncvs/src/bin/sleep/sleep.c,v
retrieving revision 1.6
diff -c -r1.6 sleep.c
*** 1.6 1997/03/28 15:24:40
--- sleep.c 1997/10/12 20:09:28
***************
*** 55,60 ****
--- 55,62 ----
char *argv[];
{
int ch, secs;
+ double fsecs;
+
while ((ch = getopt(argc, argv, "")) != -1)
switch(ch) {
***************
*** 68,75 ****
if (argc != 1)
usage();
! if ((secs = atoi(*argv)) > 0)
! (void)sleep(secs);
exit(0);
}
--- 70,83 ----
if (argc != 1)
usage();
! if ((fsecs = atof(*argv)) > 0) {
! secs = fsecs;
! if ((fsecs - secs) > 0) {
! unsigned int usecs = fsecs * 1000000.0;
! (void)usleep(usecs);
! } else
! (void)sleep(secs);
! }
exit(0);
}
***************
*** 77,82 ****
usage()
{
! (void)fprintf(stderr, "usage: sleep seconds\n");
exit(1);
}
--- 85,90 ----
usage()
{
! (void)fprintf(stderr, "usage: sleep seconds[.fractional_seconds]\n");
exit(1);
}
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