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/*
* Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers.
* All rights reserved.
* Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*
*/
#include <sendmail.h>
SM_RCSID("@(#)$Id: convtime.c,v 8.39 2001/09/11 04:05:13 gshapiro Exp $")
/*
** CONVTIME -- convert time
**
** Takes a time as an ascii string with a trailing character
** giving units:
** s -- seconds
** m -- minutes
** h -- hours
** d -- days (default)
** w -- weeks
** For example, "3d12h" is three and a half days.
**
** Parameters:
** p -- pointer to ascii time.
** units -- default units if none specified.
**
** Returns:
** time in seconds.
**
** Side Effects:
** none.
*/
time_t
convtime(p, units)
char *p;
int units;
{
register time_t t, r;
register char c;
bool pos = true;
r = 0;
if (sm_strcasecmp(p, "now") == 0)
return NOW;
if (*p == '-')
{
pos = false;
++p;
}
while (*p != '\0')
{
t = 0;
while ((c = *p++) != '\0' && isascii(c) && isdigit(c))
t = t * 10 + (c - '0');
if (c == '\0')
{
c = units;
p--;
}
else if (strchr("wdhms", c) == NULL)
{
usrerr("Invalid time unit `%c'", c);
c = units;
}
switch (c)
{
case 'w': /* weeks */
t *= 7;
/* FALLTHROUGH */
case 'd': /* days */
/* FALLTHROUGH */
default:
t *= 24;
/* FALLTHROUGH */
case 'h': /* hours */
t *= 60;
/* FALLTHROUGH */
case 'm': /* minutes */
t *= 60;
/* FALLTHROUGH */
case 's': /* seconds */
break;
}
r += t;
}
return pos ? r : -r;
}
/*
** PINTVL -- produce printable version of a time interval
**
** Parameters:
** intvl -- the interval to be converted
** brief -- if true, print this in an extremely compact form
** (basically used for logging).
**
** Returns:
** A pointer to a string version of intvl suitable for
** printing or framing.
**
** Side Effects:
** none.
**
** Warning:
** The string returned is in a static buffer.
*/
#define PLURAL(n) ((n) == 1 ? "" : "s")
char *
pintvl(intvl, brief)
time_t intvl;
bool brief;
{
static char buf[256];
register char *p;
int wk, dy, hr, mi, se;
if (intvl == 0 && !brief)
return "zero seconds";
if (intvl == NOW)
return "too long";
/* decode the interval into weeks, days, hours, minutes, seconds */
se = intvl % 60;
intvl /= 60;
mi = intvl % 60;
intvl /= 60;
hr = intvl % 24;
intvl /= 24;
if (brief)
{
dy = intvl;
wk = 0;
}
else
{
dy = intvl % 7;
intvl /= 7;
wk = intvl;
}
/* now turn it into a sexy form */
p = buf;
if (brief)
{
if (dy > 0)
{
(void) sm_snprintf(p, SPACELEFT(buf, p), "%d+", dy);
p += strlen(p);
}
(void) sm_snprintf(p, SPACELEFT(buf, p), "%02d:%02d:%02d",
hr, mi, se);
return buf;
}
/* use the verbose form */
if (wk > 0)
{
(void) sm_snprintf(p, SPACELEFT(buf, p), ", %d week%s", wk,
PLURAL(wk));
p += strlen(p);
}
if (dy > 0)
{
(void) sm_snprintf(p, SPACELEFT(buf, p), ", %d day%s", dy,
PLURAL(dy));
p += strlen(p);
}
if (hr > 0)
{
(void) sm_snprintf(p, SPACELEFT(buf, p), ", %d hour%s", hr,
PLURAL(hr));
p += strlen(p);
}
if (mi > 0)
{
(void) sm_snprintf(p, SPACELEFT(buf, p), ", %d minute%s", mi,
PLURAL(mi));
p += strlen(p);
}
if (se > 0)
{
(void) sm_snprintf(p, SPACELEFT(buf, p), ", %d second%s", se,
PLURAL(se));
p += strlen(p);
}
return (buf + 2);
}
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