fflushdir.c

来自「FAT16 Filesystem on Philips LPC2000 seri」· C语言 代码 · 共 27 行

#include <stdio.h>
#include <reent.h>
#include <errno.h>
#include <devices.h>
#include <sysdefs.h>
#include <iface.h>
#include <ioctl.h>

int fflushdir (FILE * fd)
{
#ifdef HAS_MMC
int	idx;
short file;
struct _reent ptr;
	if (!fd) return -EBADF;
	fflush (fd);
	file = fd->_file;
		// look thru device table for this device.
	if ((idx = find_device (&ptr, DEVICE_TYPE(file))) == -1) return -EBADF;
		// call function if defined.
	if (device_table_list[idx].item->ioctl) {
		return device_table_list[idx].item->ioctl(&ptr, file, IOCTL_MMC_FLUSH_DIR, NULL);
	}
#endif
	return -EBADF;
}