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#include "segment.h"
/*bugfix: buf: char* vs int* -> wrong pointer arithmetics!!!. Pierre de Mouveaux - 09 april 2000 */
/*
* int segment_get (SEGMENT *SEG, register int *buf,int row,int col) */
/*!
* \brief get value
* from segment file
*
* Provides random read access to the segmented data. It gets
* <i>len</i> bytes of data into <b>value</b> from the segment file
* <b>seg</b> for the corresponding <b>row</b> and <b>col</b> in the
* original data matrix.
* Return codes are: 1 if ok; else -1 could not seek or read segment file.
*
* \param seg
* \param value
* \param row
* \param col
* \return int
*/
int segment_get (SEGMENT *SEG,void *buf,int row,int col)
{
int n;
int index;
int i;
register char *b, *p=buf;
segment_address (SEG, row, col, &n, &index);
if((i = segment_pagein (SEG, n)) < 0)
return -1;
b = &SEG->scb[i].buf[index];
n = SEG->len;
while (n-- > 0)
*p++ = *b++;
return 1;
}
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