Function stack_filename

reftable/stack.c:20–30

#include "writer.h"

static int stack_filename(struct reftable_buf *dest, struct reftable_stack *st,
			  const char *name)
{
	int err;
	reftable_buf_reset(dest);
	if ((err = reftable_buf_addstr(dest, st->reftable_dir)) < 0 ||
	    (err = reftable_buf_addstr(dest, "/")) < 0 ||
	    (err = reftable_buf_addstr(dest, name)) < 0)
		return err;
	return 0;
}

static ssize_t reftable_write_data(int fd, const void *data, size_t size)
{