File: fdoa.c

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

void wvGetFDOA(FDOA *item,FILE *fd)
	{
	item->fc = (S32)read_32ubit(fd);
	item->ctxbx = (S16)read_16ubit(fd);
	}


int wvGetFDOA_PLCF(FDOA **fdoa,U32 **pos,U32 *nofdoa,U32 offset,  U32 len, FILE *fd)
	{
	U32 i;
    if ((len == 0) || (offset == 0))
        {
        *fdoa = NULL;
        *pos = NULL;
        *nofdoa = 0;
		}
	else
		{
		*nofdoa=(len-4)/(cbFDOA+4);
        *pos = (U32 *) malloc( (*nofdoa+1) * sizeof(U32));
        if (*pos == NULL)
            {
            wvError(("NO MEM 1, failed to alloc %d bytes\n",(*nofdoa+1) * sizeof(U32)));
            return(1);
            }

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

FDOA *wvGetFDOAFromCP(U32 currentcp,FDOA *fdoa,U32 *pos,U32 nofdoa)
    {
    U32 i;
    wvTrace(("nofdoa is %d\n",nofdoa));
    for(i=0;i<nofdoa;i++)
        {
        wvTrace(("compare %x %x\n",currentcp,pos[i]));
        if (pos[i] == currentcp)
            return(&(fdoa[i]));
        }
    wvError(("found no fdoa, panic\n"));
    return(NULL);
    }