fs.c

#include "fs.h"

fs_node_t *fs_root = 0;

u32int read_fs(fs_node_t *node, u32int offset, u32int size, u8int *buffer)
{
	if (node->read != 0) {
		return node->read(node, offset, size, buffer);
	}
	return 0;
}

u32int write_fs(fs_node_t *node, u32int offset, u32int size, u8int *buffer)
{
	if (node->write != 0) {
		return node->write(node, offset, size, buffer);	
	}
	return 0;
}

void open_fs(fs_node_t *node, u8int read, u8int write)
{
	if (node->open != 0) {
		return node->open(node);
	}
}

void close_fs(fs_node_t *node)
{
	if (node->close != 0) {
		return node->close(node);
	}
}

struct dirent *readdir_fs(fs_node_t *node, u32int index)
{
	if ((node->flags & 0x07) == FS_DIRECTORY && node->readdir != 0) {
		return node->readdir(node, index);
	}
	return 0;
}

fs_node_t *finddir_fs(fs_node_t *node, char *name)
{
	if ((node->flags & 0x07) == FS_DIRECTORY && node->finddir != 0) {
		return node->finddir(node, name);
	}
	return 0;
}