/*
 * Copyright (c) 2005-2006, 2008 Genome Research Ltd.
 * Author(s): James Bonfield
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 *    1. Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 * 
 *    2. Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 * 
 *    3. Neither the names Genome Research Ltd and Wellcome Trust Sanger
 *    Institute nor the names of its contributors may be used to endorse
 *    or promote products derived from this software without specific
 *    prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY GENOME RESEARCH LTD AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENOME RESEARCH
 * LTD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _MFILE_H_
#define _MFILE_H_

#include <stdio.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    FILE *fp;
    char *data;
    size_t alloced;
    int eof;
    int mode; /* open mode in MF_?? define bit pattern */
    size_t size;
    size_t offset;
    size_t flush_pos;
} mFILE;

#define MF_READ    1
#define MF_WRITE   2
#define MF_APPEND  4
#define MF_BINARY  8
#define MF_TRUNC  16
#define MF_MODEX  32
#define MF_MMAP   64

mFILE *mfreopen(const char *path, const char *mode, FILE *fp);
mFILE *mfopen(const char *path, const char *mode);
int mfdetach(mFILE *mf);
int mfclose(mFILE *mf);
int mfdestroy(mFILE *mf);
int mfseek(mFILE *mf, long offset, int whence);
long mftell(mFILE *mf);
void mrewind(mFILE *mf);
void mftruncate(mFILE *mf, long offset);
int mfeof(mFILE *mf);
size_t mfread(void *ptr, size_t size, size_t nmemb, mFILE *mf);
size_t mfwrite(void *ptr, size_t size, size_t nmemb, mFILE *mf);
int mfgetc(mFILE *mf);
int mungetc(int c, mFILE *mf);
mFILE *mfcreate(char *data, int size);
mFILE *mfcreate_from(const char *path, const char *mode_str, FILE *fp);
void mfrecreate(mFILE *mf, char *data, int size);
void *mfsteal(mFILE *mf, size_t *size_out);
char *mfgets(char *s, int size, mFILE *mf);
int mfflush(mFILE *mf);
int mfprintf(mFILE *mf, char *fmt, ...);
mFILE *mstdin(void);
mFILE *mstdout(void);
mFILE *mstderr(void);
void mfascii(mFILE *mf);

#ifdef __cplusplus
}
#endif

#endif /* _MFILE_H_ */
