microtar.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include "microtar.h"

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Data Structures
struct	mtar_raw_header_t

Functions
static unsigned	checksum (const mtar_raw_header_t *rh)
static int	file_close (mtar_t *tar)
static int	file_read (mtar_t *tar, void *data, unsigned size)
static int	file_seek (mtar_t *tar, unsigned offset)
static int	file_write (mtar_t *tar, const void *data, unsigned size)
static int	header_to_raw (mtar_raw_header_t *rh, const mtar_header_t *h)
int	mtar_close (mtar_t *tar)
int	mtar_finalize (mtar_t *tar)
int	mtar_find (mtar_t *tar, const char *name, mtar_header_t *h)
int	mtar_next (mtar_t *tar)
int	mtar_open (mtar_t *tar, const char *filename, const char *mode)
int	mtar_read_data (mtar_t *tar, void *ptr, unsigned size)
int	mtar_read_header (mtar_t *tar, mtar_header_t *h)
int	mtar_rewind (mtar_t *tar)
int	mtar_seek (mtar_t *tar, unsigned pos)
const char *	mtar_strerror (int err)
int	mtar_write_data (mtar_t *tar, const void *data, unsigned size)
int	mtar_write_dir_header (mtar_t *tar, const char *name)
int	mtar_write_file_header (mtar_t *tar, const char *name, unsigned size)
int	mtar_write_header (mtar_t *tar, const mtar_header_t *h)
static int	raw_to_header (mtar_header_t *h, const mtar_raw_header_t *rh)
static unsigned	round_up (unsigned n, unsigned incr)
static int	tread (mtar_t *tar, void *data, unsigned size)
static int	twrite (mtar_t *tar, const void *data, unsigned size)
static int	write_null_bytes (mtar_t *tar, int n)

Function Documentation

checksum()

static unsigned checksum ( const mtar_raw_header_t *  rh )

static

Definition at line 49 of file microtar.c.

References offsetof, altar_valkyrie::res, and is_valid_types_gen::type.

Referenced by header_to_raw(), raw_to_header(), and save_player().

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file_close()

static int file_close ( mtar_t *  tar )

static

Definition at line 171 of file microtar.c.

References MTAR_ESUCCESS, and mtar_t::stream.

Referenced by mtar_open().

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file_read()

static int file_read ( mtar_t *  tar, void *  data, unsigned  size  )

static

Definition at line 161 of file microtar.c.

References navar-midane_time::data, MTAR_EREADFAIL, MTAR_ESUCCESS, altar_valkyrie::res, and mtar_t::stream.

Referenced by mtar_open().

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file_seek()

static int file_seek ( mtar_t *  tar, unsigned  offset  )

static

Definition at line 166 of file microtar.c.

References MTAR_ESEEKFAIL, MTAR_ESUCCESS, altar_valkyrie::res, and mtar_t::stream.

Referenced by mtar_open().

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file_write()

static int file_write ( mtar_t *  tar, const void *  data, unsigned  size  )

static

Definition at line 156 of file microtar.c.

References navar-midane_time::data, MTAR_ESUCCESS, MTAR_EWRITEFAIL, altar_valkyrie::res, and mtar_t::stream.

Referenced by mtar_open().

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header_to_raw()

static int header_to_raw ( mtar_raw_header_t *  rh, const mtar_header_t *  h  )

static

Definition at line 118 of file microtar.c.

References mtar_raw_header_t::checksum, checksum(), mtar_raw_header_t::linkname, mtar_header_t::linkname, mtar_raw_header_t::mode, mtar_header_t::mode, MTAR_ESUCCESS, MTAR_TREG, mtar_raw_header_t::mtime, mtar_header_t::mtime, mtar_raw_header_t::name, mtar_header_t::name, mtar_raw_header_t::owner, mtar_header_t::owner, mtar_raw_header_t::size, mtar_header_t::size, mtar_raw_header_t::type, and mtar_header_t::type.

Referenced by mtar_write_header().

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mtar_close()

int mtar_close

(

mtar_t *

tar

)

Definition at line 211 of file microtar.c.

References mtar_t::close.

Referenced by assets_pack(), TarLoader::load(), and mtar_open().

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mtar_finalize()

int mtar_finalize

(

mtar_t *

tar

)

Definition at line 373 of file microtar.c.

References write_null_bytes().

Referenced by assets_pack().

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mtar_find()

int mtar_find	(	mtar_t *	tar,
		const char *	name,
		mtar_header_t *	h
	)

Definition at line 244 of file microtar.c.

References hall_of_fame::header, MTAR_ENOTFOUND, MTAR_ENULLRECORD, MTAR_ESUCCESS, mtar_next(), mtar_read_header(), mtar_rewind(), and give::name.

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mtar_next()

int mtar_next

(

mtar_t *

tar

)

Definition at line 230 of file microtar.c.

References mtar_read_header(), mtar_seek(), mtar_t::pos, round_up(), and mtar_header_t::size.

Referenced by TarLoader::load(), and mtar_find().

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mtar_open()

int mtar_open	(	mtar_t *	tar,
		const char *	filename,
		const char *	mode
	)

Definition at line 177 of file microtar.c.

References mtar_t::close, file_close(), file_read(), file_seek(), file_write(), npc_dialog::filename, mtar_close(), MTAR_EOPENFAIL, MTAR_ESUCCESS, mtar_read_header(), mtar_t::read, mtar_t::seek, mtar_t::stream, and mtar_t::write.

Referenced by assets_pack().

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mtar_read_data()

int mtar_read_data	(	mtar_t *	tar,
		void *	ptr,
		unsigned	size
	)

Definition at line 290 of file microtar.c.

References mtar_t::last_header, MTAR_ESUCCESS, mtar_read_header(), mtar_seek(), mtar_t::pos, mtar_t::remaining_data, mtar_header_t::size, and tread().

Referenced by bufferreader_init_from_tar_file().

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mtar_read_header()

int mtar_read_header	(	mtar_t *	tar,
		mtar_header_t *	h
	)

Definition at line 270 of file microtar.c.

References mtar_t::last_header, mtar_seek(), mtar_t::pos, raw_to_header(), and tread().

Referenced by TarLoader::load(), mtar_find(), mtar_next(), mtar_open(), and mtar_read_data().

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mtar_rewind()

int mtar_rewind

(

mtar_t *

tar

)

Definition at line 223 of file microtar.c.

References mtar_t::last_header, mtar_seek(), and mtar_t::remaining_data.

Referenced by mtar_find().

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mtar_seek()

int mtar_seek	(	mtar_t *	tar,
		unsigned	pos
	)

Definition at line 216 of file microtar.c.

References mtar_t::pos, and mtar_t::seek.

Referenced by mtar_next(), mtar_read_data(), mtar_read_header(), and mtar_rewind().

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mtar_strerror()

const char* mtar_strerror

(

int

err

)

Definition at line 140 of file microtar.c.

References MTAR_EBADCHKSUM, MTAR_EFAILURE, MTAR_ENOTFOUND, MTAR_ENULLRECORD, MTAR_EOPENFAIL, MTAR_EREADFAIL, MTAR_ESEEKFAIL, MTAR_ESUCCESS, and MTAR_EWRITEFAIL.

mtar_write_data()

int mtar_write_data	(	mtar_t *	tar,
		const void *	data,
		unsigned	size
	)

Definition at line 357 of file microtar.c.

References navar-midane_time::data, MTAR_ESUCCESS, mtar_t::pos, mtar_t::remaining_data, round_up(), twrite(), and write_null_bytes().

Referenced by add_to_tar().

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mtar_write_dir_header()

int mtar_write_dir_header	(	mtar_t *	tar,
		const char *	name
	)

Definition at line 345 of file microtar.c.

References mtar_header_t::mode, MTAR_TDIR, mtar_write_header(), give::name, mtar_header_t::name, and mtar_header_t::type.

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mtar_write_file_header()

int mtar_write_file_header	(	mtar_t *	tar,
		const char *	name,
		unsigned	size
	)

Definition at line 332 of file microtar.c.

References mtar_header_t::mode, MTAR_TREG, mtar_write_header(), give::name, mtar_header_t::name, mtar_header_t::size, and mtar_header_t::type.

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mtar_write_header()

int mtar_write_header	(	mtar_t *	tar,
		const mtar_header_t *	h
	)

Definition at line 323 of file microtar.c.

References header_to_raw(), mtar_t::remaining_data, mtar_header_t::size, and twrite().

Referenced by add_to_tar(), mtar_write_dir_header(), and mtar_write_file_header().

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raw_to_header()

static int raw_to_header ( mtar_header_t *  h, const mtar_raw_header_t *  rh  )

static

Definition at line 90 of file microtar.c.

References mtar_raw_header_t::checksum, checksum(), mtar_raw_header_t::linkname, mtar_header_t::linkname, mtar_raw_header_t::mode, mtar_header_t::mode, MTAR_EBADCHKSUM, MTAR_ENULLRECORD, MTAR_ESUCCESS, mtar_raw_header_t::mtime, mtar_header_t::mtime, mtar_raw_header_t::name, mtar_header_t::name, mtar_raw_header_t::owner, mtar_header_t::owner, mtar_raw_header_t::size, mtar_header_t::size, mtar_raw_header_t::type, and mtar_header_t::type.

Referenced by mtar_read_header().

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round_up()

static unsigned round_up ( unsigned  n, unsigned  incr  )

static

Definition at line 44 of file microtar.c.

Referenced by mtar_next(), and mtar_write_data().

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tread()

static int tread ( mtar_t *  tar, void *  data, unsigned  size  )

static

Definition at line 63 of file microtar.c.

References navar-midane_time::data, mtar_t::pos, and mtar_t::read.

Referenced by mtar_read_data(), and mtar_read_header().

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twrite()

static int twrite ( mtar_t *  tar, const void *  data, unsigned  size  )

static

Definition at line 70 of file microtar.c.

References navar-midane_time::data, mtar_t::pos, and mtar_t::write.

Referenced by mtar_write_data(), mtar_write_header(), and write_null_bytes().

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write_null_bytes()

static int write_null_bytes ( mtar_t *  tar, int  n  )

static

Definition at line 77 of file microtar.c.

References MTAR_ESUCCESS, and twrite().

Referenced by mtar_finalize(), and mtar_write_data().

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