1/*
2
3Copyright 1993, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included
12in all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
18OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20OTHER DEALINGS IN THE SOFTWARE.
21
22Except as contained in this notice, the name of The Open Group shall
23not be used in advertising or otherwise to promote the sale, use or
24other dealings in this Software without prior written authorization
25from The Open Group.
26
27*/
28
29#ifndef ___BUFIO_H___
30#define ___BUFIO_H___ 1
31
32#include <X11/Xfuncproto.h>
33
34#define BUFFILESIZE	8192
35#define BUFFILEEOF	-1
36
37typedef unsigned char BufChar;
38typedef struct _buffile *BufFilePtr;
39
40typedef struct _buffile {
41    BufChar *bufp;
42    int	left;
43    int eof;
44    BufChar buffer[BUFFILESIZE];
45    int (*input)(BufFilePtr /* f */ );
46    int (*output)(int /* c */ , BufFilePtr /* f */ );
47    int (*skip)(BufFilePtr /* f */ , int /* count */ );
48    int (*close)(BufFilePtr /* f */ , int /* doClose */ );
49    char *private;
50} BufFileRec;
51
52extern BufFilePtr BufFileOpenRead(int);
53extern BufFilePtr BufFileOpenWrite(int);
54extern BufFilePtr BufFilePushCompressed(BufFilePtr);
55
56#ifdef X_GZIP_FONT_COMPRESSION
57extern BufFilePtr BufFilePushZIP(BufFilePtr);
58#endif
59#ifdef X_BZIP2_FONT_COMPRESSION
60extern BufFilePtr BufFilePushBZIP2(BufFilePtr);
61#endif
62extern int BufFileClose(BufFilePtr, int);
63extern int BufFileWrite(BufFilePtr, char *, int);
64
65#define BufFileGet(f) \
66    ((f)->left-- ? *(f)->bufp++ : ((f)->eof = (*(f)->input) (f)))
67#define BufFilePut(c,f)	\
68    (--(f)->left ? *(f)->bufp++ = ((unsigned char)(c)) \
69     : (*(f)->output) ((unsigned char)(c),f))
70#define BufFileSkip(f,c)    ((f)->eof = (*(f)->skip) (f, c))
71
72#ifndef TRUE
73#define TRUE 1
74#endif
75#ifndef FALSE
76#define FALSE 0
77#endif
78
79#endif                          /* ___BUFIO_H___ */
80