V10/cmd/oworm/t0

static Inode *inodes;
static long ip;
static long ninodes = 0;
static char *nameb;
static long np;
static long nnameb = 0;
static long nblocks;
#define		IINC		1024
#define		NINC		(64*IINC)

ininit()
{
	if(nnameb == 0){
		nameb = malloc((unsigned)(nnameb = NINC));
		if(nameb == 0){
			fprint(2, "wmv: malloc fail, %d bytes\n", nnameb);
			exit(1);
		}
	}
	np = 0;
	if(ninodes == 0){
		inodes = (Inode *)malloc(sizeof(Inode)*(unsigned)(ninodes = IINC));
		if(inodes == 0){
			fprint(2, "wmv: malloc fail, %d inodes %d bytes\n", ninodes, ninodes*sizeof(Inode));
			exit(1);
		}
	}
	ip = 0;
}

inadd(s, i)
	Superblock *s;
	register Inode *i;
{
	register long len;

	len = strlen(i->name.n)+1;
	if(np+len > nnameb){
		while(np+len > nnameb)
			nnameb += NINC;
		nameb = realloc(nameb, (unsigned)nnameb);
		if(nameb == 0){
			fprint(2, "wmv: realloc fail, %d bytes\n", nnameb);
			exit(1);
		}
	}
	strcpy(nameb+np, i->name.n);
	i->name.o = np;
	np += len;
	if(ip == ninodes){
		ninodes += IINC;
		inodes = (Inode *)realloc((char *)inodes, (unsigned)ninodes*sizeof(Inode));
		if(inodes == 0){
			fprint(2, "wmv: realloc fail, %d inodes %d bytes\n", ninodes, ninodes*sizeof(Inode));
			exit(1);
		}
	}
	inodes[ip++] = *i;
}

inwrite(s)
	Superblock *s;
{
	char *e;

	if(e = lkwri(s, inodes, ip, nameb, np, 0L)){
		fprint(2, "%s\n", e);
		return(1);
	}
	return(0);
}