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/* $Xorg: bufio.h,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */
/*
Copyright 1993, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall
not be used in advertising or otherwise to promote the sale, use or
other dealings in this Software without prior written authorization
from The Open Group.
*/
#ifdef TEST
#define xalloc(s) malloc(s)
#define xfree(s) free(s)
#endif
#define BUFFILESIZE 8192
#define BUFFILEEOF -1
typedef unsigned char BufChar;
typedef struct _buffile {
BufChar *bufp;
int left;
BufChar buffer[BUFFILESIZE];
int (*io)(/* BufFilePtr f */);
int (*skip)(/* BufFilePtr f, int count */);
int (*close)(/* BufFilePtr f */);
char *private;
} BufFileRec, *BufFilePtr;
extern BufFilePtr BufFileCreate (
#if NeedFunctionPrototypes
char*,
int (*)(),
int (*)(),
int (*)()
#endif
);
extern BufFilePtr BufFileOpenRead (
#if NeedFunctionPrototypes
int
#endif
);
extern BufFilePtr BufFileOpenWrite (
#if NeedFunctionPrototypes
int
#endif
);
extern BufFilePtr BufFilePushCompressed (
#if NeedFunctionPrototypes
BufFilePtr
#endif
);
#ifdef X_GZIP_FONT_COMPRESSION
extern BufFilePtr BufFilePushZIP (
#if NeedFunctionPrototypes
BufFilePtr
#endif
);
#endif
extern int BufFileClose (
#if NeedFunctionPrototypes
BufFilePtr,
int
#endif
);
extern int BufFileFlush (
#if NeedFunctionPrototypes
BufFilePtr
#endif
);
extern int BufFileRead (
#if NeedFunctionPrototypes
BufFilePtr,
char*,
int
#endif
);
extern int BufFileWrite (
#if NeedFunctionPrototypes
BufFilePtr,
char*,
int
#endif
);
#define BufFileGet(f) ((f)->left-- ? *(f)->bufp++ : (*(f)->io) (f))
#define BufFilePut(c,f) (--(f)->left ? *(f)->bufp++ = (c) : (*(f)->io) (c,f))
#define BufFileSkip(f,c) ((*(f)->skip) (f, c))
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
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