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/*
****************************************************************************
*
* 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 "Vect.h"
/* Rewind vector data file to cause reads to start at beginning */
/* returns 0 on success, -1 on error */
static int
rew_dummy ()
{
return -1;
}
static int format () { G_fatal_error ("Requested format is not compiled in this version"); return 0; }
static int (*Rewind_array[][3]) () =
{
{ rew_dummy, V1_rewind_nat, V2_rewind_nat }
#ifdef HAVE_OGR
,{ rew_dummy, V1_rewind_ogr, V2_rewind_ogr }
#else
,{ rew_dummy, format, format }
#endif
};
/*!
\fn int Vect_rewind (struct Map_info *Map)
\brief Rewind vector data file to cause reads to start at beginning
\return 0 on success, -1 on error
\param Map_info structure
*/
int
Vect_rewind (struct Map_info *Map)
{
if (!VECT_OPEN (Map))
return -1;
G_debug (1, "Vect_Rewind(): name = %s", Map->name);
return (*Rewind_array[Map->format][Map->level]) (Map);
}
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