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(__syscall_chown): Use proper prototype.

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Don't include non-existant header.
(__chown): Return EINVAL if owner or group are out of the range -1U .. 65534.
This commit is contained in:
Ulrich Drepper 2000-01-18 04:30:34 +00:00
parent a7b22345a1
commit 293c7e46e3
1 changed files with 23 additions and 8 deletions
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31
sysdeps/unix/sysv/linux/m68k/chown.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1998 Free Software Foundation, Inc.
/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -24,21 +24,28 @@
#include <linux/posix_types.h>
#include <sysdeps/unix/sysv/linux/32bit_uid_compat.h>
extern int __syscall_chown (const char *__file,
uid_t __owner, gid_t __group);
__kernel_uid_t __owner, __kernel_gid_t __group);
#ifdef __NR_chown32
extern int __syscall_chown32 (const char *__file,
__kernel_uid32_t owner, __kernel_gid32_t group);
# if __ASSUME_32BITUIDS == 0
/* This variable is shared with all files that need to check for 32bit
uids. */
extern int __libc_missing_32bit_uids;
# endif
#endif /* __NR_chown32 */
int
__chown (const char *file, uid_t owner, gid_t group)
{
#ifdef __NR_chown32
if (__libc_missing_32bit_uids != NO_HIGHUIDS)
#if __ASSUME_32BITUIDS
return INLINE_SYSCALL (chown32, 3, file, owner, group);
#else
# ifdef __NR_chown32
if (!__libc_missing_32bit_uids)
{
int result;
int saved_errno = errno;
@ -48,10 +55,18 @@ __chown (const char *file, uid_t owner, gid_t group)
return result;
__set_errno (saved_errno);
__libc_missing_32bit_uids = NO_HIGHUIDS;
__libc_missing_32bit_uids = 1;
}
# endif /* __NR_chown32 */
if (((owner + 1) > (gid_t) ((__kernel_uid_t) -1U))
|| ((group + 1) > (gid_t) ((__kernel_gid_t) -1U)))
{
__set_errno (EINVAL);
return -1;
}
#endif /* __NR_chown32 */
return INLINE_SYSCALL (chown, 3, file, owner, group);
#endif
}
weak_alias (__chown, chown)