libStatGen Software 1
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GzipFileType.cpp
1/*
2 * Copyright (C) 2010 Regents of the University of Michigan
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include "GzipFileType.h"
19#include <string.h>
20#include <stdio.h>
21
22#ifdef __ZLIB_AVAILABLE__
23
24GzipFileType::GzipFileType(const char * filename, const char * mode)
25{
26 // If the file is for write and is '-', then write to stdout.
27 if(((mode[0] == 'w') || (mode[0] == 'W')) &&
28 ((strcmp(filename, "-") == 0) || (strcmp(filename, "-.gz") == 0)))
29 {
30 // Write to stdout.
31 gzHandle = gzdopen(fileno(stdout), mode);
32 }
33 else if(((mode[0] == 'r') || (mode[0] == 'R')) &&
34 ((strcmp(filename, "-") == 0) || (strcmp(filename, "-.gz") == 0)))
35 {
36 // read from stdin
37 gzHandle = gzdopen(fileno(stdin), mode);
38 }
39 else
40 {
41 // Open the file.
42 gzHandle = gzopen(filename, mode);
43 }
44};
45
46#endif
47