RE timegm on SOLARIS

Clive Elsum Wed, 20 Nov 2002 13:13:27 -0800

 Hi,
 
 I have not had any feedback on the replacement module for timegm within 
/lib/replace.c. This fix allows a correct Solaris build, without it Clock Skew
 errors occur unless the machine is dropped back to GMT. Is there any chance of 
this being implemented?
 
 Thanks in advance
 
 Clive
 
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Subject: FIX to RE: Cannot get net ads  join to work under Solaris 8 
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X-Original-Date: Sun, 17 Nov 2002 19:33:23 +1100
Date: Sun, 17 Nov 2002 19:33:23 +1100

Andrew,

Another suggestion which appears to work without a kludge is a very minor
mod to the code originally contributed by Roger Beeman <[EMAIL PROTECTED]>,
with the help of Mark Baushke <[EMAIL PROTECTED]> and the rest of the Gurus at
CISCO. Further improved by Roger with assistance from Edward J. Sabol based
on input by Jamie Zawinski. 
Setting this as a timegm replacement within lib/replace.c overcomes the need
to reset TIMEZONE.

 time_t timegm(struct tm *t)
{
  time_t tl, tb;
  struct tm *tg;

  tl = mktime (t);
  if (tl == -1)
    {
      t->tm_hour--;
      tl = mktime (t);
      if (tl == -1)
        return -1; /* can't deal with output from strptime */
      tl += 3600;
    }
  tg = gmtime (&tl);
  tg->tm_isdst = 0;
  tb = mktime (tg);
  if (tb == -1)
    {
      tg->tm_hour--;
      tb = mktime (tg);
      if (tb == -1)
        return -1; /* can't deal with output from gmtime */
      tb += 3600;
    }
  return (tl - (tb - tl));

---------------------------------------------------------------------
Clive Elsum BAppSc, RHCE
Systems Engineer - Information Technology Group
CSIRO Atmospheric Research
PMB 1, Aspendale, Victoria, Australia  3195
Phone : (+61 3) 9239 4509
Fax:    (+61 3) 9239 4444
E-mail [EMAIL PROTECTED]
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RE timegm on SOLARIS

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