fileio.c revision 7f7f5e4e 
1/* $Xorg: fileio.c,v 1.4 2001/02/09 02:04:03 xorgcvs Exp $ */
2
3/*
4
5Copyright 1991, 1998  The Open Group
6
7Permission to use, copy, modify, distribute, and sell this software and its
8documentation for any purpose is hereby granted without fee, provided that
9the above copyright notice appear in all copies and that both that
10copyright notice and this permission notice appear in supporting
11documentation.
12
13The above copyright notice and this permission notice shall be included in
14all copies or substantial portions of the Software.
15
16THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
19OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
20AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
23Except as contained in this notice, the name of The Open Group shall not be
24used in advertising or otherwise to promote the sale, use or other dealings
25in this Software without prior written authorization from The Open Group.
26
27*/
28/* $XFree86: xc/lib/font/fontfile/fileio.c,v 3.9 2001/12/14 19:56:51 dawes Exp $ */
29
30/*
31 * Author:  Keith Packard, MIT X Consortium
32 */
33
34#ifdef HAVE_CONFIG_H
35#include <config.h>
36#endif
37#include <X11/fonts/fntfilio.h>
38#include <X11/Xos.h>
39#ifndef O_BINARY
40#define O_BINARY O_RDONLY
41#endif
42
43FontFilePtr
44FontFileOpen (const char *name)
45{
46    int		fd;
47    int		len;
48    BufFilePtr	raw, cooked;
49
50    fd = open (name, O_BINARY);
51    if (fd < 0)
52	return 0;
53    raw = BufFileOpenRead (fd);
54    if (!raw)
55    {
56	close (fd);
57	return 0;
58    }
59    len = strlen (name);
60    if (len > 2 && !strcmp (name + len - 2, ".Z")) {
61	cooked = BufFilePushCompressed (raw);
62	if (!cooked) {
63	    BufFileClose (raw, TRUE);
64	    return 0;
65	}
66	raw = cooked;
67#ifdef X_GZIP_FONT_COMPRESSION
68    } else if (len > 3 && !strcmp (name + len - 3, ".gz")) {
69	cooked = BufFilePushZIP (raw);
70	if (!cooked) {
71	    BufFileClose (raw, TRUE);
72	    return 0;
73	}
74	raw = cooked;
75#endif
76#ifdef X_BZIP2_FONT_COMPRESSION
77    } else if (len > 4 && !strcmp (name + len - 4, ".bz2")) {
78	cooked = BufFilePushBZIP2 (raw);
79	if (!cooked) {
80	    BufFileClose (raw, TRUE);
81	    return 0;
82	}
83	raw = cooked;
84#endif
85    }
86    return (FontFilePtr) raw;
87}
88
89int
90FontFileClose (FontFilePtr f)
91{
92    return BufFileClose ((BufFilePtr) f, TRUE);
93}
94
95