rewind_nat.c File Reference

#include <grass/vector.h>

Include dependency graph for rewind_nat.c:

Go to the source code of this file.

Functions
int	V1_rewind_nat (struct Map_info *Map)
	Rewind vector map to cause reads to start at beginning on non-topological level (level 1) - native format - internal use only. More...
int	V2_rewind_nat (struct Map_info *Map)
	Rewind vector map to cause reads to start at beginning on topological level (level 2) - native format - internal use only. More...

Function Documentation

V1_rewind_nat()

int V1_rewind_nat

(

struct Map_info *

Map

)

Rewind vector map to cause reads to start at beginning on non-topological level (level 1) - native format - internal use only.

Parameters

Map	pointer to Map_info struct

Returns

0 on success

-1 on error

Definition at line 27 of file rewind_nat.c.

References Map_info::dig_fp, dig_fseek(), Map_info::head, and dig_head::head_size.

Referenced by V2_rewind_nat().

V2_rewind_nat()

int V2_rewind_nat

(

struct Map_info *

Map

)

Rewind vector map to cause reads to start at beginning on topological level (level 2) - native format - internal use only.

Parameters

Map	pointer to Map_info struct

Returns

0 on success

-1 on error

Definition at line 40 of file rewind_nat.c.

References Map_info::next_line, and V1_rewind_nat().