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/* $Xorg: t1stdio.h,v 1.3 2000/08/17 19:46:34 cpqbld Exp $ */
/* Copyright International Business Machines,Corp. 1991
 * All Rights Reserved
 *
 * License to use, copy, modify, and distribute this software
 * and its documentation for any purpose and without fee is
 * hereby granted, provided that the above copyright notice
 * appear in all copies and that both that copyright notice and
 * this permission notice appear in supporting documentation,
 * and that the name of IBM not be used in advertising or
 * publicity pertaining to distribution of the software without
 * specific, written prior permission.
 *
 * IBM PROVIDES THIS SOFTWARE "AS IS", WITHOUT ANY WARRANTIES
 * OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT
 * LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT OF
 * THIRD PARTY RIGHTS.  THE ENTIRE RISK AS TO THE QUALITY AND
 * PERFORMANCE OF THE SOFTWARE, INCLUDING ANY DUTY TO SUPPORT
 * OR MAINTAIN, BELONGS TO THE LICENSEE.  SHOULD ANY PORTION OF
 * THE SOFTWARE PROVE DEFECTIVE, THE LICENSEE (NOT IBM) ASSUMES
 * THE ENTIRE COST OF ALL SERVICING, REPAIR AND CORRECTION.  IN
 * NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 */
/* $XFree86: xc/lib/font/Type1/t1stdio.h,v 1.9 2001/01/17 19:43:24 dawes Exp $ */
/* T1IO FILE structure and related stuff */

#include <stdio.h>

#ifndef _T1STDIO_H_
#define _T1STDIO_H_

typedef unsigned char F_char;
 
typedef struct F_FILE {
  F_char  *b_base;    /* Pointer to beginning of buffer */
  long    b_size;     /* Size of the buffer */
  F_char  *b_ptr;     /* Pointer to next char in buffer */
  long    b_cnt;      /* Number of chars remaining in buffer */
  F_char  flags;      /* other flags; != 0 means getc must call fgetc */
  F_char  ungotc;     /* Place for ungotten char; flag set if present */
  short   error;      /* error status */
  int     fd;         /* underlying file descriptor */
} F_FILE;
 
 
/* defines for flags */
#define UNGOTTENC (0x01)
#define FIOEOF    (0x80)
#define FIOERROR  (0x40)
 
#define F_BUFSIZ (512)

#define _XT1getc(f) \
  ( \
   ( ((f)->b_cnt > 0) && ((f)->flags == 0) ) ? \
   ( (f)->b_cnt--, (unsigned int)*( (f)->b_ptr++ ) ) : \
   T1Getc(f) \
  )
 
#define  T1Feof(f)          (((f)->flags & FIOEOF) && ((f)->b_cnt==0))

extern F_FILE *T1Open ( char *fn, char *mode );
extern int T1Getc ( F_FILE *f );
extern int T1Ungetc ( int c, F_FILE *f );
extern int T1Read ( char *buffP, int size, int n, F_FILE *f );
extern int T1Close ( F_FILE *f );
extern F_FILE *T1eexec ( F_FILE *f );
extern void resetDecrypt ( void );

#define  T1Ferror(f)        (((f)->flags & FIOERROR)?(f)->error:0)

#endif /* _T1STDIO_H_ */