summaryrefslogtreecommitdiffstats
path: root/tksao/fitsy++/allocgz.C
blob: b2bbba15a5df3731085126ab487b034ae2987e7a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
// Copyright (C) 1999-2018
// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
// For conditions of distribution and use, see copyright notice in "copyright"

#include <unistd.h>
#include "allocgz.h"

FitsAllocGZ::FitsAllocGZ(const char* fn)
{
  parse(fn);
  if (!valid_)
    return;

  // we need the 'b' for windows...
  if (!strncmp(pName_, "stdin", 5) || 
      !strncmp(pName_, "STDIN", 5) || 
      !strncmp(pName_, "-", 1))
    stream_ = gzdopen(dup(STDIN_FILENO), "rb");
  else 
    stream_ = gzopen(pName_, "rb");

  valid_ = stream_ ? 1 : 0;
}