portable.c File Reference

#include <sys/types.h>
#include <string.h>
#include <grass/vector.h>
#include <grass/glocale.h>

Include dependency graph for portable.c:

Go to the source code of this file.

Functions
void	port_init (void)
	Initialize Port_info structures. More...
int	dig__fread_port_D (double *buf, size_t cnt, struct gvfile *fp)
	Read doubles from the Portable Vector Format. More...
int	dig__fread_port_F (float *buf, size_t cnt, struct gvfile *fp)
	Read floats from the Portable Vector Format. More...
int	dig__fread_port_O (off_t *buf, size_t cnt, struct gvfile *fp, size_t port_off_t_size)
	Read off_ts from the Portable Vector Format. More...
int	dig__fread_port_L (long *buf, size_t cnt, struct gvfile *fp)
	Read longs from the Portable Vector Format. More...
int	dig__fread_port_I (int *buf, size_t cnt, struct gvfile *fp)
	Read integers from the Portable Vector Format. More...
int	dig__fread_port_S (short *buf, size_t cnt, struct gvfile *fp)
	Read shorts from the Portable Vector Format. More...
int	dig__fread_port_C (char *buf, size_t cnt, struct gvfile *fp)
	Read chars from the Portable Vector Format. More...
int	dig__fread_port_P (plus_t *buf, size_t cnt, struct gvfile *fp)
	Read plus_t from the Portable Vector Format. More...
int	dig__fwrite_port_D (const double *buf, size_t cnt, struct gvfile *fp)
	Write doubles to the Portable Vector Format. More...
int	dig__fwrite_port_F (const float *buf, size_t cnt, struct gvfile *fp)
	Write floats to the Portable Vector Format. More...
int	dig__fwrite_port_O (const off_t *buf, size_t cnt, struct gvfile *fp, size_t port_off_t_size)
	Write off_ts to the Portable Vector Format. More...
int	dig__fwrite_port_L (const long *buf, size_t cnt, struct gvfile *fp)
	Write longs to the Portable Vector Format. More...
int	dig__fwrite_port_I (const int *buf, size_t cnt, struct gvfile *fp)
	Write integers to the Portable Vector Format. More...
int	dig__fwrite_port_S (const short *buf, size_t cnt, struct gvfile *fp)
	Write shorts to the Portable Vector Format. More...
int	dig__fwrite_port_P (const plus_t *buf, size_t cnt, struct gvfile *fp)
	Write plus_t to the Portable Vector Format. More...
int	dig__fwrite_port_C (const char *buf, size_t cnt, struct gvfile *fp)
	Write chars to the Portable Vector Format. More...
void	dig_init_portable (struct Port_info *port, int byte_order)
	Set Port_info structure to byte order of file. More...
int	dig_set_cur_port (struct Port_info *port)
	Set current Port_info structure. More...
int	dig__byte_order_out ()
	Get byte order. More...

Variables
int	nat_dbl
int	nat_flt
int	nat_lng
int	nat_off_t
int	nat_int
int	nat_shrt
int	dbl_order
int	flt_order
int	off_t_order
int	lng_order
int	int_order
int	shrt_order
unsigned char	dbl_cnvrt [sizeof(double)]
unsigned char	flt_cnvrt [sizeof(float)]
unsigned char	off_t_cnvrt [sizeof(off_t)]
unsigned char	lng_cnvrt [sizeof(long)]
unsigned char	int_cnvrt [sizeof(int)]
unsigned char	shrt_cnvrt [sizeof(short)]
struct Port_info *	Cur_Head

Function Documentation

dig__byte_order_out()

int dig__byte_order_out

(

)

Get byte order.

Returns

ENDIAN_LITTLE

ENDIAN_BIG

Definition at line 1013 of file portable.c.

References dbl_order, ENDIAN_BIG, and ENDIAN_LITTLE.

Referenced by V1_open_new_nat(), Vect_save_fidx(), Vect_save_sidx(), and Vect_save_topo().

dig__fread_port_C()

int dig__fread_port_C	(	char *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Read chars from the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

[out]	buf	data buffer
	cnt	number of members
	fp	pointer to gvfile structure

Returns

0 error

1 OK

Definition at line 509 of file portable.c.

References dig_fread(), and PORT_CHAR.

Referenced by dig__read_head(), dig_Rd_P_line(), dig_Rd_Plus_head(), dig_Rd_spidx_head(), dig_read_cidx_head(), V1_delete_line_nat(), and Vect_open_fidx().

dig__fread_port_D()

int dig__fread_port_D	(	double *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Read doubles from the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

[out]	buf	data buffer
	cnt	number of members
	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 79 of file portable.c.

References Port_info::dbl_quick, dig_fread(), and PORT_DOUBLE.

Referenced by dig_Rd_P_node(), and dig_Rd_Plus_head().

dig__fread_port_F()

int dig__fread_port_F	(	float *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Read floats from the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

[out]	buf	data buffer
	cnt	number of members
	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 123 of file portable.c.

References dig_fread(), Port_info::flt_quick, and PORT_FLOAT.

Referenced by dig_Rd_P_node().

dig__fread_port_I()

int dig__fread_port_I	(	int *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Read integers from the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

[out]	buf	data buffer
	cnt	number of members
	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 343 of file portable.c.

References dig_fread(), Port_info::int_quick, nat_int, and PORT_INT.

Referenced by dig__fread_port_P(), dig_Rd_P_line(), dig_Rd_spidx_head(), dig_read_cidx(), dig_read_cidx_head(), and Vect_open_fidx().

dig__fread_port_L()

int dig__fread_port_L	(	long *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Read longs from the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

[out]	buf	data buffer
	cnt	number of members
	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 260 of file portable.c.

References dig_fread(), Port_info::lng_quick, nat_lng, and PORT_LONG.

Referenced by dig__read_head(), dig_Rd_Plus_head(), dig_Rd_spidx_head(), dig_read_cidx_head(), and Vect_open_fidx().

dig__fread_port_O()

int dig__fread_port_O	(	off_t *	buf,
		size_t	cnt,
		struct gvfile *	fp,
		size_t	port_off_t_size
	)

Read off_ts from the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

[out]	buf	data buffer
	cnt	number of members
	fp	pointer to struct gvfile
	port_off_t_size	offset

Returns

0 error

1 OK

Definition at line 167 of file portable.c.

References dig_fread(), nat_off_t, and Port_info::off_t_quick.

Referenced by dig__read_head(), dig_Rd_P_line(), dig_Rd_Plus_head(), dig_Rd_spidx_head(), and dig_read_cidx_head().

dig__fread_port_P()

int dig__fread_port_P	(	plus_t *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Read plus_t from the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

plus_t is defined as int so we only retype pointer and use int function.

Parameters

[out]	buf	data buffer
	cnt	number of members
	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 535 of file portable.c.

References dig__fread_port_I().

Referenced by dig_Rd_P_area(), dig_Rd_P_isle(), dig_Rd_P_line(), dig_Rd_P_node(), and dig_Rd_Plus_head().

dig__fread_port_S()

int dig__fread_port_S	(	short *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Read shorts from the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

[out]	buf	data buffer
	cnt	number of members
	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 426 of file portable.c.

References dig_fread(), nat_shrt, PORT_SHORT, and Port_info::shrt_quick.

dig__fwrite_port_C()

int dig__fwrite_port_C	(	const char *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Write chars to the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

	buf	data buffer
	cnt	number of members
[in,out]	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 890 of file portable.c.

References dig_fwrite(), and PORT_CHAR.

Referenced by dig__write_head(), dig_Wr_P_line(), dig_Wr_Plus_head(), dig_Wr_spidx_head(), dig_write_cidx_head(), V1_delete_line_nat(), and Vect_save_fidx().

dig__fwrite_port_D()

int dig__fwrite_port_D	(	const double *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Write doubles to the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

	buf	data buffer
	cnt	number of members
[in,out]	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 557 of file portable.c.

References Port_info::dbl_quick, dig_fwrite(), and PORT_DOUBLE.

Referenced by dig_Wr_P_node(), and dig_Wr_Plus_head().

dig__fwrite_port_F()

int dig__fwrite_port_F	(	const float *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Write floats to the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

	buf	data buffer
	cnt	number of members
[in,out]	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 596 of file portable.c.

References dig_fwrite(), Port_info::flt_quick, and PORT_FLOAT.

Referenced by dig_Wr_P_node().

dig__fwrite_port_I()

int dig__fwrite_port_I	(	const int *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Write integers to the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

	buf	data buffer
	cnt	number of members
[in,out]	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 758 of file portable.c.

References dig_fwrite(), Port_info::int_quick, nat_int, and PORT_INT.

Referenced by dig__fwrite_port_P(), dig_Wr_P_line(), dig_Wr_spidx_head(), dig_write_cidx(), dig_write_cidx_head(), and Vect_save_fidx().

dig__fwrite_port_L()

int dig__fwrite_port_L	(	const long *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Write longs to the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

	buf	data buffer
	cnt	number of members
[in,out]	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 702 of file portable.c.

References dig_fwrite(), Port_info::lng_quick, nat_lng, and PORT_LONG.

Referenced by dig__write_head(), dig_Wr_Plus_head(), dig_Wr_spidx_head(), dig_write_cidx_head(), and Vect_save_fidx().

dig__fwrite_port_O()

int dig__fwrite_port_O	(	const off_t *	buf,
		size_t	cnt,
		struct gvfile *	fp,
		size_t	port_off_t_size
	)

Write off_ts to the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

	buf	data buffer
	cnt	number of members
[in,out]	fp	pointer to struct gvfile
	port_off_t_size

Returns

0 error

1 OK

Definition at line 636 of file portable.c.

References dig_fwrite(), nat_off_t, and Port_info::off_t_quick.

Referenced by dig__write_head(), dig_Wr_P_line(), dig_Wr_Plus_head(), dig_Wr_spidx_head(), and dig_write_cidx_head().

dig__fwrite_port_P()

int dig__fwrite_port_P	(	const plus_t *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Write plus_t to the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

	buf	data buffer
	cnt	number of members
[in,out]	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 871 of file portable.c.

References dig__fwrite_port_I().

Referenced by dig_Wr_P_area(), dig_Wr_P_isle(), dig_Wr_P_line(), dig_Wr_P_node(), and dig_Wr_Plus_head().

dig__fwrite_port_S()

int dig__fwrite_port_S	(	const short *	buf,
		size_t	cnt,
		struct gvfile *	fp
	)

Write shorts to the Portable Vector Format.

These routines must handle any type size conversions between the portable format and the native machine.

Parameters

	buf	data buffer
	cnt	number of members
[in,out]	fp	pointer to struct gvfile

Returns

0 error

1 OK

Definition at line 814 of file portable.c.

References dig_fwrite(), nat_shrt, PORT_SHORT, and Port_info::shrt_quick.

dig_init_portable()

void dig_init_portable	(	struct Port_info *	port,
		int	byte_order
	)

Set Port_info structure to byte order of file.

Parameters

port	pointer to Port_info structure
byte_order	ENDIAN_BIG or ENDIAN_LITTLE

Definition at line 905 of file portable.c.

References Port_info::byte_order, dbl_cnvrt, Port_info::dbl_cnvrt, dbl_order, Port_info::dbl_quick, ENDIAN_BIG, FALSE, flt_cnvrt, Port_info::flt_cnvrt, flt_order, Port_info::flt_quick, int_cnvrt, Port_info::int_cnvrt, int_order, Port_info::int_quick, lng_cnvrt, Port_info::lng_cnvrt, lng_order, Port_info::lng_quick, nat_off_t, off_t_cnvrt, Port_info::off_t_cnvrt, off_t_order, Port_info::off_t_quick, PORT_DOUBLE, PORT_FLOAT, port_init(), PORT_INT, PORT_LONG, PORT_SHORT, shrt_cnvrt, Port_info::shrt_cnvrt, shrt_order, Port_info::shrt_quick, and TRUE.

Referenced by dig__read_head(), dig_Rd_Plus_head(), dig_Rd_spidx_head(), dig_read_cidx_head(), V1_open_new_nat(), Vect_open_fidx(), Vect_save_fidx(), Vect_save_sidx(), and Vect_save_topo().

dig_set_cur_port()

int dig_set_cur_port

(

struct Port_info *

port

)

Set current Port_info structure.

Parameters

port	pointer to Port_info structure

Returns

0

Definition at line 1001 of file portable.c.

Referenced by dig__read_head(), dig__write_head(), dig_load_plus(), dig_Rd_Plus_head(), dig_Rd_spidx(), dig_Rd_spidx_head(), dig_read_cidx(), dig_read_cidx_head(), dig_Wr_Plus_head(), dig_Wr_spidx(), dig_Wr_spidx_head(), dig_write_cidx(), dig_write_cidx_head(), dig_write_plus_file(), rtree_search(), V1_delete_line_nat(), Vect_open_fidx(), and Vect_save_fidx().

port_init()

void port_init

(

void

)

Initialize Port_info structures.

Definition at line 184 of file port_init.c.

References dbl_order, G_fatal_error(), LONG_LONG_TEST, LONG_TEST, nat_dbl, nat_flt, nat_int, nat_lng, nat_off_t, nat_shrt, PORT_DOUBLE, PORT_FLOAT, PORT_INT, PORT_LONG, PORT_SHORT, and u_o.

Referenced by dig_init_portable().

Variable Documentation

Cur_Head

struct Port_info* Cur_Head

Definition at line 45 of file portable.c.

dbl_cnvrt

unsigned char dbl_cnvrt[sizeof(double)]

Definition at line 124 of file port_init.c.

Referenced by dig_init_portable().

dbl_order

int dbl_order

Definition at line 117 of file port_init.c.

Referenced by dig__byte_order_out(), dig_init_portable(), and port_init().

flt_cnvrt

unsigned char flt_cnvrt[sizeof(float)]

Definition at line 125 of file port_init.c.

Referenced by dig_init_portable().

flt_order

int flt_order

Definition at line 118 of file port_init.c.

Referenced by dig_init_portable().

int_cnvrt

unsigned char int_cnvrt[sizeof(int)]

Definition at line 128 of file port_init.c.

Referenced by dig_init_portable().

int_order

int int_order

Definition at line 121 of file port_init.c.

Referenced by dig_init_portable().

lng_cnvrt

unsigned char lng_cnvrt[sizeof(long)]

Definition at line 127 of file port_init.c.

Referenced by dig_init_portable().

lng_order

int lng_order

Definition at line 120 of file port_init.c.

Referenced by dig_init_portable().

nat_dbl

int nat_dbl

Definition at line 110 of file port_init.c.

Referenced by port_init().

nat_flt

int nat_flt

Definition at line 111 of file port_init.c.

Referenced by port_init().

nat_int

int nat_int

Definition at line 114 of file port_init.c.

Referenced by dig__fread_port_I(), dig__fwrite_port_I(), and port_init().

nat_lng

int nat_lng

Definition at line 113 of file port_init.c.

Referenced by dig__fread_port_L(), dig__fwrite_port_L(), and port_init().

nat_off_t

int nat_off_t

Definition at line 112 of file port_init.c.

Referenced by dig__fread_port_O(), dig__fwrite_port_O(), dig_init_portable(), and port_init().

nat_shrt

int nat_shrt

Definition at line 115 of file port_init.c.

Referenced by dig__fread_port_S(), dig__fwrite_port_S(), and port_init().

off_t_cnvrt

unsigned char off_t_cnvrt[sizeof(off_t)]

Definition at line 126 of file port_init.c.

Referenced by dig_init_portable().

off_t_order

int off_t_order

Definition at line 119 of file port_init.c.

Referenced by dig_init_portable().

shrt_cnvrt

unsigned char shrt_cnvrt[sizeof(short)]

Definition at line 129 of file port_init.c.

Referenced by dig_init_portable().

shrt_order

int shrt_order

Definition at line 122 of file port_init.c.

Referenced by dig_init_portable().