diff options
Diffstat (limited to 'arch/parisc/hpux/fs.c')
| -rw-r--r-- | arch/parisc/hpux/fs.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c deleted file mode 100644 index 2bedafea3d94..000000000000 --- a/arch/parisc/hpux/fs.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * Implements HPUX syscalls. - * - * Copyright (C) 1999 Matthew Wilcox <willy with parisc-linux.org> - * Copyright (C) 2000 Michael Ang <mang with subcarrier.org> - * Copyright (C) 2000 John Marvin <jsm with parisc-linux.org> - * Copyright (C) 2000 Philipp Rumpf - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/fs.h> -#include <linux/sched.h> -#include <linux/file.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <asm/errno.h> -#include <asm/uaccess.h> - -int hpux_execve(struct pt_regs *regs) -{ - return do_execve(getname((const char __user *) regs->gr[26]), - (const char __user *const __user *) regs->gr[25], - (const char __user *const __user *) regs->gr[24]); -} - -struct hpux_dirent { - loff_t d_off; - ino_t d_ino; - short d_reclen; - short d_namlen; - char d_name[1]; -}; - -struct getdents_callback { - struct dir_context ctx; - struct hpux_dirent __user *current_dir; - struct hpux_dirent __user *previous; - int count; - int error; -}; - -#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de))) - -static int filldir(void * __buf, const char * name, int namlen, loff_t offset, - u64 ino, unsigned d_type) -{ - struct hpux_dirent __user * dirent; - struct getdents_callback * buf = (struct getdents_callback *) __buf; - ino_t d_ino; - int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 1, sizeof(long)); - - buf->error = -EINVAL; /* only used if we fail.. */ - if (reclen > buf->count) - return -EINVAL; - d_ino = ino; - if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) { - buf->error = -EOVERFLOW; - return -EOVERFLOW; - } - dirent = buf->previous; - if (dirent) - if (put_user(offset, &dirent->d_off)) - goto Efault; - dirent = buf->current_dir; - if (put_user(d_ino, &dirent->d_ino) || - put_user(reclen, &dirent->d_reclen) || - put_user(namlen, &dirent->d_namlen) || - copy_to_user(dirent->d_name, name, namlen) || - put_user(0, dirent->d_name + namlen)) - goto Efault; - buf->previous = dirent; - buf->current_dir = (void __user *)dirent + reclen; - buf->count -= reclen; - return 0; -Efault: - buf->error = -EFAULT; - return -EFAULT; -} - -#undef NAME_OFFSET - -int hpux_getdents(unsigned int fd, struct hpux_dirent __user *dirent, unsigned int count) -{ - struct fd arg; - struct hpux_dirent __user * lastdirent; - struct getdents_callback buf = { - .ctx.actor = filldir, - .current_dir = dirent, - .count = count - }; - int error; - - arg = fdget(fd); - if (!arg.file) - return -EBADF; - - error = iterate_dir(arg.file, &buf.ctx); - if (error >= 0) - error = buf.error; - lastdirent = buf.previous; - if (lastdirent) { - if (put_user(buf.ctx.pos, &lastdirent->d_off)) - error = -EFAULT; - else - error = count - buf.count; - } - - fdput(arg); - return error; -} - -int hpux_mount(const char *fs, const char *path, int mflag, - const char *fstype, const char *dataptr, int datalen) -{ - return -ENOSYS; -} - -static int cp_hpux_stat(struct kstat *stat, struct hpux_stat64 __user *statbuf) -{ - struct hpux_stat64 tmp; - - /* we probably want a different split here - is hpux 12:20? */ - - if (!new_valid_dev(stat->dev) || !new_valid_dev(stat->rdev)) - return -EOVERFLOW; - - memset(&tmp, 0, sizeof(tmp)); - tmp.st_dev = new_encode_dev(stat->dev); - tmp.st_ino = stat->ino; - tmp.st_mode = stat->mode; - tmp.st_nlink = stat->nlink; - tmp.st_uid = from_kuid_munged(current_user_ns(), stat->uid); - tmp.st_gid = from_kgid_munged(current_user_ns(), stat->gid); - tmp.st_rdev = new_encode_dev(stat->rdev); - tmp.st_size = stat->size; - tmp.st_atime = stat->atime.tv_sec; - tmp.st_mtime = stat->mtime.tv_sec; - tmp.st_ctime = stat->ctime.tv_sec; - tmp.st_blocks = stat->blocks; - tmp.st_blksize = stat->blksize; - return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0; -} - -long hpux_stat64(const char __user *filename, struct hpux_stat64 __user *statbuf) -{ - struct kstat stat; - int error = vfs_stat(filename, &stat); - - if (!error) - error = cp_hpux_stat(&stat, statbuf); - - return error; -} - -long hpux_fstat64(unsigned int fd, struct hpux_stat64 __user *statbuf) -{ - struct kstat stat; - int error = vfs_fstat(fd, &stat); - - if (!error) - error = cp_hpux_stat(&stat, statbuf); - - return error; -} - -long hpux_lstat64(const char __user *filename, - struct hpux_stat64 __user *statbuf) -{ - struct kstat stat; - int error = vfs_lstat(filename, &stat); - - if (!error) - error = cp_hpux_stat(&stat, statbuf); - - return error; -} |