1 files changed, 682 insertions, 0 deletions

diff --git a/ipc/compat.c b/ipc/compat.c
new file mode 100644
index 0000000..ab76fb0
--- /dev/null
+++ b/ipc/compat.c
@@ -0,0 +1,682 @@
+/*
+ * 32 bit compatibility code for System V IPC
+ *
+ * Copyright (C) 1997,1998	Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ * Copyright (C) 1997		David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1999		Arun Sharma <arun.sharma@intel.com>
+ * Copyright (C) 2000		VA Linux Co
+ * Copyright (C) 2000		Don Dugger <n0ano@valinux.com>
+ * Copyright (C) 2000           Hewlett-Packard Co.
+ * Copyright (C) 2000           David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 2000           Gerhard Tonn (ton@de.ibm.com)
+ * Copyright (C) 2000-2002      Andi Kleen, SuSE Labs (x86-64 port)
+ * Copyright (C) 2000		Silicon Graphics, Inc.
+ * Copyright (C) 2001		IBM
+ * Copyright (C) 2004		IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Copyright (C) 2004		Arnd Bergmann (arnd@arndb.de)
+ *
+ * This code is collected from the versions for sparc64, mips64, s390x, ia64,
+ * ppc64 and x86_64, all of which are based on the original sparc64 version
+ * by Jakub Jelinek.
+ *
+ */
+#include <linux/compat.h>
+#include <linux/errno.h>
+#include <linux/highuid.h>
+#include <linux/init.h>
+#include <linux/msg.h>
+#include <linux/shm.h>
+#include <linux/slab.h>
+#include <linux/syscalls.h>
+
+#include <linux/mutex.h>
+#include <asm/uaccess.h>
+
+#include "util.h"
+
+struct compat_msgbuf {
+	compat_long_t mtype;
+	char mtext[1];
+};
+
+struct compat_ipc_perm {
+	key_t key;
+	__compat_uid_t uid;
+	__compat_gid_t gid;
+	__compat_uid_t cuid;
+	__compat_gid_t cgid;
+	compat_mode_t mode;
+	unsigned short seq;
+};
+
+struct compat_semid_ds {
+	struct compat_ipc_perm sem_perm;
+	compat_time_t sem_otime;
+	compat_time_t sem_ctime;
+	compat_uptr_t sem_base;
+	compat_uptr_t sem_pending;
+	compat_uptr_t sem_pending_last;
+	compat_uptr_t undo;
+	unsigned short sem_nsems;
+};
+
+struct compat_msqid_ds {
+	struct compat_ipc_perm msg_perm;
+	compat_uptr_t msg_first;
+	compat_uptr_t msg_last;
+	compat_time_t msg_stime;
+	compat_time_t msg_rtime;
+	compat_time_t msg_ctime;
+	compat_ulong_t msg_lcbytes;
+	compat_ulong_t msg_lqbytes;
+	unsigned short msg_cbytes;
+	unsigned short msg_qnum;
+	unsigned short msg_qbytes;
+	compat_ipc_pid_t msg_lspid;
+	compat_ipc_pid_t msg_lrpid;
+};
+
+struct compat_shmid_ds {
+	struct compat_ipc_perm shm_perm;
+	int shm_segsz;
+	compat_time_t shm_atime;
+	compat_time_t shm_dtime;
+	compat_time_t shm_ctime;
+	compat_ipc_pid_t shm_cpid;
+	compat_ipc_pid_t shm_lpid;
+	unsigned short shm_nattch;
+	unsigned short shm_unused;
+	compat_uptr_t shm_unused2;
+	compat_uptr_t shm_unused3;
+};
+
+struct compat_ipc_kludge {
+	compat_uptr_t msgp;
+	compat_long_t msgtyp;
+};
+
+struct compat_shminfo64 {
+	compat_ulong_t shmmax;
+	compat_ulong_t shmmin;
+	compat_ulong_t shmmni;
+	compat_ulong_t shmseg;
+	compat_ulong_t shmall;
+	compat_ulong_t __unused1;
+	compat_ulong_t __unused2;
+	compat_ulong_t __unused3;
+	compat_ulong_t __unused4;
+};
+
+struct compat_shm_info {
+	compat_int_t used_ids;
+	compat_ulong_t shm_tot, shm_rss, shm_swp;
+	compat_ulong_t swap_attempts, swap_successes;
+};
+
+extern int sem_ctls[];
+#define sc_semopm	(sem_ctls[2])
+
+static inline int compat_ipc_parse_version(int *cmd)
+{
+	int version = *cmd & IPC_64;
+
+	/* this is tricky: architectures that have support for the old
+	 * ipc structures in 64 bit binaries need to have IPC_64 set
+	 * in cmd, the others need to have it cleared */
+#ifndef ipc_parse_version
+	*cmd |= IPC_64;
+#else
+	*cmd &= ~IPC_64;
+#endif
+	return version;
+}
+
+static inline int __get_compat_ipc64_perm(struct ipc64_perm *p64,
+					  struct compat_ipc64_perm __user *up64)
+{
+	int err;
+
+	err  = __get_user(p64->uid, &up64->uid);
+	err |= __get_user(p64->gid, &up64->gid);
+	err |= __get_user(p64->mode, &up64->mode);
+	return err;
+}
+
+static inline int __get_compat_ipc_perm(struct ipc64_perm *p,
+					struct compat_ipc_perm __user *up)
+{
+	int err;
+
+	err  = __get_user(p->uid, &up->uid);
+	err |= __get_user(p->gid, &up->gid);
+	err |= __get_user(p->mode, &up->mode);
+	return err;
+}
+
+static inline int __put_compat_ipc64_perm(struct ipc64_perm *p64,
+					  struct compat_ipc64_perm __user *up64)
+{
+	int err;
+
+	err  = __put_user(p64->key, &up64->key);
+	err |= __put_user(p64->uid, &up64->uid);
+	err |= __put_user(p64->gid, &up64->gid);
+	err |= __put_user(p64->cuid, &up64->cuid);
+	err |= __put_user(p64->cgid, &up64->cgid);
+	err |= __put_user(p64->mode, &up64->mode);
+	err |= __put_user(p64->seq, &up64->seq);
+	return err;
+}
+
+static inline int __put_compat_ipc_perm(struct ipc64_perm *p,
+					struct compat_ipc_perm __user *up)
+{
+	int err;
+	__compat_uid_t u;
+	__compat_gid_t g;
+
+	err  = __put_user(p->key, &up->key);
+	SET_UID(u, p->uid);
+	err |= __put_user(u, &up->uid);
+	SET_GID(g, p->gid);
+	err |= __put_user(g, &up->gid);
+	SET_UID(u, p->cuid);
+	err |= __put_user(u, &up->cuid);
+	SET_GID(g, p->cgid);
+	err |= __put_user(g, &up->cgid);
+	err |= __put_user(p->mode, &up->mode);
+	err |= __put_user(p->seq, &up->seq);
+	return err;
+}
+
+static inline int get_compat_semid64_ds(struct semid64_ds *s64,
+					struct compat_semid64_ds __user *up64)
+{
+	if (!access_ok (VERIFY_READ, up64, sizeof(*up64)))
+		return -EFAULT;
+	return __get_compat_ipc64_perm(&s64->sem_perm, &up64->sem_perm);
+}
+
+static inline int get_compat_semid_ds(struct semid64_ds *s,
+				      struct compat_semid_ds __user *up)
+{
+	if (!access_ok (VERIFY_READ, up, sizeof(*up)))
+		return -EFAULT;
+	return __get_compat_ipc_perm(&s->sem_perm, &up->sem_perm);
+}
+
+static inline int put_compat_semid64_ds(struct semid64_ds *s64,
+					struct compat_semid64_ds __user *up64)
+{
+	int err;
+
+	if (!access_ok (VERIFY_WRITE, up64, sizeof(*up64)))
+		return -EFAULT;
+	err  = __put_compat_ipc64_perm(&s64->sem_perm, &up64->sem_perm);
+	err |= __put_user(s64->sem_otime, &up64->sem_otime);
+	err |= __put_user(s64->sem_ctime, &up64->sem_ctime);
+	err |= __put_user(s64->sem_nsems, &up64->sem_nsems);
+	return err;
+}
+
+static inline int put_compat_semid_ds(struct semid64_ds *s,
+				      struct compat_semid_ds __user *up)
+{
+	int err;
+
+	if (!access_ok (VERIFY_WRITE, up, sizeof(*up)))
+		return -EFAULT;
+	err  = __put_compat_ipc_perm(&s->sem_perm, &up->sem_perm);
+	err |= __put_user(s->sem_otime, &up->sem_otime);
+	err |= __put_user(s->sem_ctime, &up->sem_ctime);
+	err |= __put_user(s->sem_nsems, &up->sem_nsems);
+	return err;
+}
+
+long compat_sys_semctl(int first, int second, int third, void __user *uptr)
+{
+	union semun fourth;
+	u32 pad;
+	int err, err2;
+	struct semid64_ds s64;
+	struct semid64_ds __user *up64;
+	int version = compat_ipc_parse_version(&third);
+
+	if (!uptr)
+		return -EINVAL;
+	if (get_user(pad, (u32 __user *) uptr))
+		return -EFAULT;
+	if ((third & (~IPC_64)) == SETVAL)
+		fourth.val = (int) pad;
+	else
+		fourth.__pad = compat_ptr(pad);
+	switch (third & (~IPC_64)) {
+	case IPC_INFO:
+	case IPC_RMID:
+	case SEM_INFO:
+	case GETVAL:
+	case GETPID:
+	case GETNCNT:
+	case GETZCNT:
+	case GETALL:
+	case SETVAL:
+	case SETALL:
+		err = sys_semctl(first, second, third, fourth);
+		break;
+
+	case IPC_STAT:
+	case SEM_STAT:
+		up64 = compat_alloc_user_space(sizeof(s64));
+		fourth.__pad = up64;
+		err = sys_semctl(first, second, third, fourth);
+		if (err < 0)
+			break;
+		if (copy_from_user(&s64, up64, sizeof(s64)))
+			err2 = -EFAULT;
+		else if (version == IPC_64)
+			err2 = put_compat_semid64_ds(&s64, compat_ptr(pad));
+		else
+			err2 = put_compat_semid_ds(&s64, compat_ptr(pad));
+		if (err2)
+			err = -EFAULT;
+		break;
+
+	case IPC_SET:
+		if (version == IPC_64) {
+			err = get_compat_semid64_ds(&s64, compat_ptr(pad));
+		} else {
+			err = get_compat_semid_ds(&s64, compat_ptr(pad));
+		}
+		up64 = compat_alloc_user_space(sizeof(s64));
+		if (copy_to_user(up64, &s64, sizeof(s64)))
+			err = -EFAULT;
+		if (err)
+			break;
+
+		fourth.__pad = up64;
+		err = sys_semctl(first, second, third, fourth);
+		break;
+
+	default:
+		err = -EINVAL;
+		break;
+	}
+	return err;
+}
+
+long compat_sys_msgsnd(int first, int second, int third, void __user *uptr)
+{
+	struct compat_msgbuf __user *up = uptr;
+	long type;
+
+	if (first < 0)
+		return -EINVAL;
+	if (second < 0)
+		return -EINVAL;
+
+	if (get_user(type, &up->mtype))
+		return -EFAULT;
+
+	return do_msgsnd(first, type, up->mtext, second, third);
+}
+
+long compat_sys_msgrcv(int first, int second, int msgtyp, int third,
+			   int version, void __user *uptr)
+{
+	struct compat_msgbuf __user *up;
+	long type;
+	int err;
+
+	if (first < 0)
+		return -EINVAL;
+	if (second < 0)
+		return -EINVAL;
+
+	if (!version) {
+		struct compat_ipc_kludge ipck;
+		err = -EINVAL;
+		if (!uptr)
+			goto out;
+		err = -EFAULT;
+		if (copy_from_user (&ipck, uptr, sizeof(ipck)))
+			goto out;
+		uptr = compat_ptr(ipck.msgp);
+		msgtyp = ipck.msgtyp;
+	}
+	up = uptr;
+	err = do_msgrcv(first, &type, up->mtext, second, msgtyp, third);
+	if (err < 0)
+		goto out;
+	if (put_user(type, &up->mtype))
+		err = -EFAULT;
+out:
+	return err;
+}
+
+static inline int get_compat_msqid64(struct msqid64_ds *m64,
+				     struct compat_msqid64_ds __user *up64)
+{
+	int err;
+
+	if (!access_ok(VERIFY_READ, up64, sizeof(*up64)))
+		return -EFAULT;
+	err  = __get_compat_ipc64_perm(&m64->msg_perm, &up64->msg_perm);
+	err |= __get_user(m64->msg_qbytes, &up64->msg_qbytes);
+	return err;
+}
+
+static inline int get_compat_msqid(struct msqid64_ds *m,
+				   struct compat_msqid_ds __user *up)
+{
+	int err;
+
+	if (!access_ok(VERIFY_READ, up, sizeof(*up)))
+		return -EFAULT;
+	err  = __get_compat_ipc_perm(&m->msg_perm, &up->msg_perm);
+	err |= __get_user(m->msg_qbytes, &up->msg_qbytes);
+	return err;
+}
+
+static inline int put_compat_msqid64_ds(struct msqid64_ds *m64,
+				 struct compat_msqid64_ds __user *up64)
+{
+	int err;
+
+	if (!access_ok(VERIFY_WRITE, up64, sizeof(*up64)))
+		return -EFAULT;
+	err  = __put_compat_ipc64_perm(&m64->msg_perm, &up64->msg_perm);
+	err |= __put_user(m64->msg_stime, &up64->msg_stime);
+	err |= __put_user(m64->msg_rtime, &up64->msg_rtime);
+	err |= __put_user(m64->msg_ctime, &up64->msg_ctime);
+	err |= __put_user(m64->msg_cbytes, &up64->msg_cbytes);
+	err |= __put_user(m64->msg_qnum, &up64->msg_qnum);
+	err |= __put_user(m64->msg_qbytes, &up64->msg_qbytes);
+	err |= __put_user(m64->msg_lspid, &up64->msg_lspid);
+	err |= __put_user(m64->msg_lrpid, &up64->msg_lrpid);
+	return err;
+}
+
+static inline int put_compat_msqid_ds(struct msqid64_ds *m,
+				      struct compat_msqid_ds __user *up)
+{
+	int err;
+
+	if (!access_ok(VERIFY_WRITE, up, sizeof(*up)))
+		return -EFAULT;
+	err  = __put_compat_ipc_perm(&m->msg_perm, &up->msg_perm);
+	err |= __put_user(m->msg_stime, &up->msg_stime);
+	err |= __put_user(m->msg_rtime, &up->msg_rtime);
+	err |= __put_user(m->msg_ctime, &up->msg_ctime);
+	err |= __put_user(m->msg_cbytes, &up->msg_cbytes);
+	err |= __put_user(m->msg_qnum, &up->msg_qnum);
+	err |= __put_user(m->msg_qbytes, &up->msg_qbytes);
+	err |= __put_user(m->msg_lspid, &up->msg_lspid);
+	err |= __put_user(m->msg_lrpid, &up->msg_lrpid);
+	return err;
+}
+
+long compat_sys_msgctl(int first, int second, void __user *uptr)
+{
+	int err, err2;
+	struct msqid64_ds m64;
+	int version = compat_ipc_parse_version(&second);
+	void __user *p;
+
+	switch (second & (~IPC_64)) {
+	case IPC_INFO:
+	case IPC_RMID:
+	case MSG_INFO:
+		err = sys_msgctl(first, second, uptr);
+		break;
+
+	case IPC_SET:
+		if (version == IPC_64) {
+			err = get_compat_msqid64(&m64, uptr);
+		} else {
+			err = get_compat_msqid(&m64, uptr);
+		}
+		if (err)
+			break;
+		p = compat_alloc_user_space(sizeof(m64));
+		if (copy_to_user(p, &m64, sizeof(m64)))
+			err = -EFAULT;
+		else
+			err = sys_msgctl(first, second, p);
+		break;
+
+	case IPC_STAT:
+	case MSG_STAT:
+		p = compat_alloc_user_space(sizeof(m64));
+		err = sys_msgctl(first, second, p);
+		if (err < 0)
+			break;
+		if (copy_from_user(&m64, p, sizeof(m64)))
+			err2 = -EFAULT;
+		else if (version == IPC_64)
+			err2 = put_compat_msqid64_ds(&m64, uptr);
+		else
+			err2 = put_compat_msqid_ds(&m64, uptr);
+		if (err2)
+			err = -EFAULT;
+		break;
+
+	default:
+		err = -EINVAL;
+		break;
+	}
+	return err;
+}
+
+long compat_sys_shmat(int first, int second, compat_uptr_t third, int version,
+			void __user *uptr)
+{
+	int err;
+	unsigned long raddr;
+	compat_ulong_t __user *uaddr;
+
+	if (version == 1)
+		return -EINVAL;
+	err = do_shmat(first, uptr, second, &raddr);
+	if (err < 0)
+		return err;
+	uaddr = compat_ptr(third);
+	return put_user(raddr, uaddr);
+}
+
+static inline int get_compat_shmid64_ds(struct shmid64_ds *s64,
+					struct compat_shmid64_ds __user *up64)
+{
+	if (!access_ok(VERIFY_READ, up64, sizeof(*up64)))
+		return -EFAULT;
+	return __get_compat_ipc64_perm(&s64->shm_perm, &up64->shm_perm);
+}
+
+static inline int get_compat_shmid_ds(struct shmid64_ds *s,
+				      struct compat_shmid_ds __user *up)
+{
+	if (!access_ok(VERIFY_READ, up, sizeof(*up)))
+		return -EFAULT;
+	return __get_compat_ipc_perm(&s->shm_perm, &up->shm_perm);
+}
+
+static inline int put_compat_shmid64_ds(struct shmid64_ds *s64,
+					struct compat_shmid64_ds __user *up64)
+{
+	int err;
+
+	if (!access_ok(VERIFY_WRITE, up64, sizeof(*up64)))
+		return -EFAULT;
+	err  = __put_compat_ipc64_perm(&s64->shm_perm, &up64->shm_perm);
+	err |= __put_user(s64->shm_atime, &up64->shm_atime);
+	err |= __put_user(s64->shm_dtime, &up64->shm_dtime);
+	err |= __put_user(s64->shm_ctime, &up64->shm_ctime);
+	err |= __put_user(s64->shm_segsz, &up64->shm_segsz);
+	err |= __put_user(s64->shm_nattch, &up64->shm_nattch);
+	err |= __put_user(s64->shm_cpid, &up64->shm_cpid);
+	err |= __put_user(s64->shm_lpid, &up64->shm_lpid);
+	return err;
+}
+
+static inline int put_compat_shmid_ds(struct shmid64_ds *s,
+				      struct compat_shmid_ds __user *up)
+{
+	int err;
+
+	if (!access_ok(VERIFY_WRITE, up, sizeof(*up)))
+		return -EFAULT;
+	err  = __put_compat_ipc_perm(&s->shm_perm, &up->shm_perm);
+	err |= __put_user(s->shm_atime, &up->shm_atime);
+	err |= __put_user(s->shm_dtime, &up->shm_dtime);
+	err |= __put_user(s->shm_ctime, &up->shm_ctime);
+	err |= __put_user(s->shm_segsz, &up->shm_segsz);
+	err |= __put_user(s->shm_nattch, &up->shm_nattch);
+	err |= __put_user(s->shm_cpid, &up->shm_cpid);
+	err |= __put_user(s->shm_lpid, &up->shm_lpid);
+	return err;
+}
+
+static inline int put_compat_shminfo64(struct shminfo64 *smi,
+				       struct compat_shminfo64 __user *up64)
+{
+	int err;
+
+	if (!access_ok(VERIFY_WRITE, up64, sizeof(*up64)))
+		return -EFAULT;
+	if (smi->shmmax > INT_MAX)
+		smi->shmmax = INT_MAX;
+	err  = __put_user(smi->shmmax, &up64->shmmax);
+	err |= __put_user(smi->shmmin, &up64->shmmin);
+	err |= __put_user(smi->shmmni, &up64->shmmni);
+	err |= __put_user(smi->shmseg, &up64->shmseg);
+	err |= __put_user(smi->shmall, &up64->shmall);
+	return err;
+}
+
+static inline int put_compat_shminfo(struct shminfo64 *smi,
+				     struct shminfo __user *up)
+{
+	int err;
+
+	if (!access_ok(VERIFY_WRITE, up, sizeof(*up)))
+		return -EFAULT;
+	if (smi->shmmax > INT_MAX)
+		smi->shmmax = INT_MAX;
+	err  = __put_user(smi->shmmax, &up->shmmax);
+	err |= __put_user(smi->shmmin, &up->shmmin);
+	err |= __put_user(smi->shmmni, &up->shmmni);
+	err |= __put_user(smi->shmseg, &up->shmseg);
+	err |= __put_user(smi->shmall, &up->shmall);
+	return err;
+}
+
+static inline int put_compat_shm_info(struct shm_info __user *ip,
+				      struct compat_shm_info __user *uip)
+{
+	int err;
+	struct shm_info si;
+
+	if (!access_ok(VERIFY_WRITE, uip, sizeof(*uip)) ||
+	    copy_from_user(&si, ip, sizeof(si)))
+		return -EFAULT;
+	err  = __put_user(si.used_ids, &uip->used_ids);
+	err |= __put_user(si.shm_tot, &uip->shm_tot);
+	err |= __put_user(si.shm_rss, &uip->shm_rss);
+	err |= __put_user(si.shm_swp, &uip->shm_swp);
+	err |= __put_user(si.swap_attempts, &uip->swap_attempts);
+	err |= __put_user(si.swap_successes, &uip->swap_successes);
+	return err;
+}
+
+long compat_sys_shmctl(int first, int second, void __user *uptr)
+{
+	void __user *p;
+	struct shmid64_ds s64;
+	struct shminfo64 smi;
+	int err, err2;
+	int version = compat_ipc_parse_version(&second);
+
+	switch (second & (~IPC_64)) {
+	case IPC_RMID:
+	case SHM_LOCK:
+	case SHM_UNLOCK:
+		err = sys_shmctl(first, second, uptr);
+		break;
+
+	case IPC_INFO:
+		p = compat_alloc_user_space(sizeof(smi));
+		err = sys_shmctl(first, second, p);
+		if (err < 0)
+			break;
+		if (copy_from_user(&smi, p, sizeof(smi)))
+			err2 = -EFAULT;
+		else if (version == IPC_64)
+			err2 = put_compat_shminfo64(&smi, uptr);
+		else
+			err2 = put_compat_shminfo(&smi, uptr);
+		if (err2)
+			err = -EFAULT;
+		break;
+
+
+	case IPC_SET:
+		if (version == IPC_64) {
+			err = get_compat_shmid64_ds(&s64, uptr);
+		} else {
+			err = get_compat_shmid_ds(&s64, uptr);
+		}
+		if (err)
+			break;
+		p = compat_alloc_user_space(sizeof(s64));
+		if (copy_to_user(p, &s64, sizeof(s64)))
+			err = -EFAULT;
+		else
+			err = sys_shmctl(first, second, p);
+		break;
+
+	case IPC_STAT:
+	case SHM_STAT:
+		p = compat_alloc_user_space(sizeof(s64));
+		err = sys_shmctl(first, second, p);
+		if (err < 0)
+			break;
+		if (copy_from_user(&s64, p, sizeof(s64)))
+			err2 = -EFAULT;
+		else if (version == IPC_64)
+			err2 = put_compat_shmid64_ds(&s64, uptr);
+		else
+			err2 = put_compat_shmid_ds(&s64, uptr);
+		if (err2)
+			err = -EFAULT;
+		break;
+
+	case SHM_INFO:
+		p = compat_alloc_user_space(sizeof(struct shm_info));
+		err = sys_shmctl(first, second, p);
+		if (err < 0)
+			break;
+		err2 = put_compat_shm_info(p, uptr);
+		if (err2)
+			err = -EFAULT;
+		break;
+
+	default:
+		err = -EINVAL;
+		break;
+	}
+	return err;
+}
+
+long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
+		unsigned nsops, const struct compat_timespec __user *timeout)
+{
+	struct timespec __user *ts64 = NULL;
+	if (timeout) {
+		struct timespec ts;
+		ts64 = compat_alloc_user_space(sizeof(*ts64));
+		if (get_compat_timespec(&ts, timeout))
+			return -EFAULT;
+		if (copy_to_user(ts64, &ts, sizeof(ts)))
+			return -EFAULT;
+	}
+	return sys_semtimedop(semid, tsems, nsops, ts64);
+}