segment/setup.c File Reference

Segment setup routines. More...

#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <grass/gis.h>
#include "local_proto.h"

Include dependency graph for segment/setup.c:

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Functions
int	seg_setup (SEGMENT *SEG)
	Internal use only. More...

Detailed Description

Segment setup routines.

This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

Author

GRASS GIS Development Team

Date

2005-2009

Definition in file segment/setup.c.

Function Documentation

seg_setup()

int seg_setup

(

SEGMENT *

SEG

)

Internal use only.

Setup segment.

SEG must have the following parms set: fd (open for read and write), nrows, ncols, srows, scols, len, nseg

Parameters

[in,out]

SEG

segment

Returns

1 if successful

-1 if illegal parameters are passed in SEG

-2 if unable to allocate memory

Definition at line 34 of file segment/setup.c.

References SEGMENT::address, SEGMENT::scb::age, SEGMENT::agequeue, SEGMENT::scb::buf, SEGMENT::cache, aq::cur, SEGMENT::cur, SEGMENT::scb::dirty, SEGMENT::fast_adrs, SEGMENT::fast_seek, SEGMENT::fd, SEGMENT::freeslot, G_debug(), G_malloc, G_warning(), SEGMENT::len, SEGMENT::lenbits, SEGMENT::load_idx, SEGMENT::scb::n, SEGMENT::ncols, SEGMENT::nfreeslots, SEGMENT::nrows, SEGMENT::nseg, NULL, SEGMENT::offset, aq::older, SEGMENT::oldest, SEGMENT::open, SEGMENT::scb, SEGMENT::scolbits, SEGMENT::scols, SEGMENT::seek, seg_address_fast(), seg_address_slow(), seg_seek_fast(), seg_seek_slow(), SEGMENT::segbits, SEGMENT::size, SEGMENT::sizebits, SEGMENT::spill, SEGMENT::spr, SEGMENT::srowbits, SEGMENT::srows, SEGMENT::srowscols, aq::younger, and SEGMENT::youngest.