segment/put.c

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#include <string.h>
#include <grass/segment.h>


/*bugfix: buf: char* vs int* -> wrong pointer arithmetics!!!. Pierre de Mouveaux - 09 april 2000 */
/* int segment_put (SEGMENT *SEG,int *buf,int row,int col) */


int segment_put(SEGMENT * SEG, const void *buf, int row, int col)
{
    int index, n, i;

    segment_address(SEG, row, col, &n, &index);
    if ((i = segment_pagein(SEG, n)) < 0)
        return -1;

    SEG->scb[i].dirty = 1;

    memcpy(&SEG->scb[i].buf[index], buf, SEG->len);

    return 1;
}