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/*
* Schism Tracker - a cross-platform Impulse Tracker clone
* copyright (c) 2003-2005 Storlek <storlek@rigelseven.com>
* copyright (c) 2005-2008 Mrs. Brisby <mrs.brisby@nimh.org>
* copyright (c) 2009 Storlek & Mrs. Brisby
* copyright (c) 2010-2012 Storlek
* URL: http://schismtracker.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SLURP_H
#define SLURP_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "util.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdint.h>
#include <unistd.h>
/* --------------------------------------------------------------------- */
typedef struct _slurp_struct slurp_t;
struct _slurp_struct {
size_t length;
uint8_t *data;
int extra;
void *bextra;
void (*closure)(slurp_t *);
/* for reading streams */
size_t pos;
};
/* --------------------------------------------------------------------- */
/* slurp returns NULL and sets errno on error. 'buf' is only meaningful if you've already stat()'d
the file; in most cases it can simply be NULL. If size is nonzero, it overrides the file's size as
returned by stat -- this can be used to read only part of a file, or if the file size is known but
a stat structure is not available. */
slurp_t *slurp(const char *filename, struct stat *buf, size_t size);
void unslurp(slurp_t * t);
#ifdef WIN32
int slurp_win32(slurp_t *useme, const char *filename, size_t st);
#endif
#if HAVE_MMAP
int slurp_mmap(slurp_t *useme, const char *filename, size_t st);
#endif
/* stdio-style file processing */
int slurp_seek(slurp_t *t, long offset, int whence); /* whence => SEEK_SET, SEEK_CUR, SEEK_END */
long slurp_tell(slurp_t *t);
#define slurp_rewind(t) slurp_seek((t), 0, SEEK_SET)
size_t slurp_read(slurp_t *t, void *ptr, size_t count); /* i never realy liked fread */
int slurp_getc(slurp_t *t); /* returns unsigned char cast to int, or EOF */
int slurp_eof(slurp_t *t); /* 1 = end of file */
#endif /* ! SLURP_H */
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