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(setfsuid): Use INTERNAL_SYSCALL and do not check for errors (unless testing for 32bit variant).

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This commit is contained in:
Ulrich Drepper 2003-03-27 08:07:38 +00:00
parent 312472fc4d
commit 359b695d23
1 changed files with 11 additions and 9 deletions
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18
sysdeps/unix/sysv/linux/i386/setfsuid.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1998, 2000, 2003 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
@ -35,27 +35,28 @@ extern int __syscall_setfsuid32 (__kernel_uid32_t);
# if __ASSUME_32BITUIDS == 0
/* This variable is shared with all files that need to check for 32bit
uids. */
extern int __libc_missing_32bit_uids;
extern int __libc_missing_32bit_uids attribute_hidden;
# endif
# endif /* __NR_setfsuid32 */
int
setfsuid (uid_t uid)
{
INTERNAL_SYSCALL_DECL (err);
# if __ASSUME_32BITUIDS > 0
return INLINE_SYSCALL (setfsuid32, 1, uid);
/* No error checking. */
return INTERNAL_SYSCALL (setfsgid32, err, 1, gid);
# else
# ifdef __NR_setfsuid32
if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
result = INLINE_SYSCALL (setfsuid32, 1, uid);
if (result == 0 || errno != ENOSYS)
result = INTERNAL_SYSCALL (setfsgid32, err, 1, gid);
if (! INTERNAL_SYSCALL_ERROR_P (result, err)
|| INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
return result;
__set_errno (saved_errno);
__libc_missing_32bit_uids = 1;
}
# endif /* __NR_setfsuid32 */
@ -66,7 +67,8 @@ setfsuid (uid_t uid)
return -1;
}
return INLINE_SYSCALL (setfsuid, 1, uid);
/* No error checking. */
return INTERNAL_SYSCALL (setfsgid, err, 1, gid);
# endif
}
#endif