File: rewind_nat.c

package info (click to toggle)
grass 6.4.4-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 104,028 kB
  • ctags: 40,409
  • sloc: ansic: 419,980; python: 63,559; tcl: 46,692; cpp: 29,791; sh: 18,564; makefile: 7,000; xml: 3,505; yacc: 561; perl: 559; lex: 480; sed: 70; objc: 7
file content (33 lines) | stat: -rw-r--r-- 1,092 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/*
 ****************************************************************************
 *
 * MODULE:       Vector library 
 *              
 * AUTHOR(S):    Original author CERL, probably Dave Gerdes or Mike Higgins.
 *               Update to GRASS 5.7 Radim Blazek and David D. Gray.
 *
 * PURPOSE:      Higher level functions for reading/writing/manipulating vectors.
 *
 * COPYRIGHT:    (C) 2001 by the GRASS Development Team
 *
 *               This program is free software under the GNU General Public
 *              License (>=v2). Read the file COPYING that comes with GRASS
 *              for details.
 *
 *****************************************************************************/
#include <grass/Vect.h>

/* Rewind vector data file to cause reads to start at beginning.
 ** returns 0 on success
 **        -1 on error
 */
int V1_rewind_nat(struct Map_info *Map)
{
    return (dig_fseek(&(Map->dig_fp), Map->head.head_size, SEEK_SET));
}

int V2_rewind_nat(struct Map_info *Map)
{
    Map->next_line = 1;
    return V1_rewind_nat(Map);	/* make sure level 1 reads are reset too */
}