File: sed.c

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#include <stdlib.h>
#include <stdio.h>
#include "wv.h"


void wvGetSED(SED *item,FILE *fd)
	{
	item->fn = (S16)read_16ubit(fd);
	item->fcSepx = read_32ubit(fd);
	item->fnMpr = (S16)read_16ubit(fd);
	item->fcMpr = read_32ubit(fd);
	}

int wvGetSED_PLCF(SED **item,U32 **pos,U32 *noitem,U32 offset,U32 len,FILE *fd)
	{
	U32 i;
	if (len == 0)
		{
		*item = NULL;
		*pos = NULL;
		*noitem = 0;
		}
	else
        {
        *noitem=(len-4)/(cbSED+4);
        *pos = (U32 *) malloc( (*noitem+1) * sizeof(U32));
        if (*pos == NULL)
            {
            wvError(("NO MEM 1, failed to alloc %d bytes\n",(*noitem+1) * sizeof(U32)));
            return(1);
            }

        *item = (SED *) malloc(*noitem * sizeof(SED));
        if (*item == NULL)
            {
            wvError(("NO MEM 1, failed to alloc %d bytes\n",*noitem * sizeof(SED)));
			free(pos);
            return(1);
            }
        fseek(fd,offset,SEEK_SET);
        for(i=0;i<=*noitem;i++)
            (*pos)[i]=read_32ubit(fd);
        for(i=0;i<*noitem;i++)
            wvGetSED(&((*item)[i]),fd);
        }
	return(0);
	}