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#include <fs/types.h>
#include <fs/errno.h>
#include <fs/task.h>
#include <fs/maccess.h>
#include <fs/major.h>
#include "file.h"
#include "inode.h"
#include "dentry.h"
#include "fs.h"
#include "debug.h"
int k_fstat(int fd, struct stat *buf)
{
struct inode *in=NULL;
__pid_t pid;
call_to_fs();
/* to do better: for console i/o */
if (fd>=0&&fd<=2) {
struct stat st;
/* !!! */
return_from_fs(-EBADF);
st.st_dev=NULLDEV;
st.st_ino=0;
st.st_mode=((fd==0)?
__S_IRUSR|__S_IRGRP|__S_IROTH:
__S_IWUSR|__S_IWGRP|__S_IWOTH);
st.st_nlink=1;
st.st_uid=0;
st.st_gid=0;
st.st_size=0;
st.st_atime=0;
st.st_mtime=0;
st.st_ctime=0;
if (!__verify_write(buf,sizeof(struct stat))) return_from_fs(-EVERIFY);
__copy_to_user(buf,&(in->i_st),sizeof(struct stat));
return_from_fs(EOK);
}
/* don't try to use bad file descriptor */
pid=__get_pid();
if (check_fd(pid,fd)) {
printk(KERN_INFO "k_fstat: using a bad file descriptor");
return_from_fs(-EBADF);
}
if (!__verify_write(buf,sizeof(struct stat))) return_from_fs(-EVERIFY);
in=file_ptr(pid,fd)->f_dentry->d_inode;
__copy_to_user(buf,&(in->i_st),sizeof(struct stat));
return_from_fs(EOK);
}