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wcsftime() on HPUX doesn't work

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Operating Systems HP-UX wcsftime() on HPUX doesn't work
# 1  
Old 09-05-2010
wcsftime() on HPUX doesn't work
Hi,
I'm wrote a small program on HPUX that uses wcsftime, but this function seems to be not working - I get 0 as a result, the output buffer returns empty, and errno is 0 :


Code:
#include <iostream>
using namespace std;

int main ()
{
  size_t formattedTimeLength = 0;
  wchar_t formattedTime[255] = {0};
  char formattedTimeN[255] = {0};
  struct timeval tv;
  time_t mSeconds;
  uint32_t mMilliSeconds;

  if (::gettimeofday( &tv, NULL ) == 0)
  {
    mSeconds = tv.tv_sec;
    mMilliSeconds = tv.tv_usec / 1000;
  }

  struct tm tmBuffer;
  struct tm* localTime = gmtime_r(&mSeconds, &tmBuffer);

  formattedTimeLength = wcsftime(formattedTime, 255, L"%Y-%m-%d %H:%M:%S", localTime);

  wcout << "formattedTimeLength = " << formattedTimeLength << ", formattedTime = " << formattedTime << endl;
  perror( "Error formatting time" );

  formattedTimeLength = strftime(formattedTimeN, 255, "%Y-%m-%d %H:%M:%S", localTime);

  cout << "formattedTimeLength = " << formattedTimeLength << ", formattedTimeN = " << formattedTimeN << endl;

  return 0;
}

BTW, I compiled it with aCC wcstest.cpp -AA +p +DD64 -fast -s +Z -mt

And another thing - _INCLUDE__STDC_A1_SOURCE is set, so wcsftime is defined as:
Code:
wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm *).

Last edited by Scott; 09-05-2010 at 08:37 AM.. Reason: Please use code tags, and text less formatting
# 2  
Old 09-05-2010
How come you did not include the wchar.h header?
# 3  
Old 09-06-2010
I've included iostream, it should be enough (it probably includes some other header files that include wchar.h).
The problem is not compiling it, it's on runtime.
# 4  
Old 09-07-2010
Not including the right headers can cause runtime errors, since the function may be implicitly defined as having the wrong arguments and return types.
# 5  
Old 09-12-2010
I don't think it matters in my case, but just to make sure I tried it with wchar.h included, and the result was the same.
# 6  
Old 09-13-2010
What about all the other headers you are missing? Did you include those?
# 7  
Old 09-14-2010
You're focusing on the headers, but I'm not sure this is the problem.
To be clear, strftime() returns the formatted time as expected.
The only problem is with wcsftime().
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