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2002-07-17  Andreas Schwab  <schwab@suse.de>
	    Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/pread.c: Sign extend offset.
	* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise.
This commit is contained in:
Ulrich Drepper
2002-07-17 20:44:55 +00:00
parent 11fa51b8f6
commit cd682e15d9
5 changed files with 24 additions and 8 deletions
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6
sysdeps/unix/sysv/linux/pread.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@ -17,6 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <assert.h>
#include <errno.h>
#include <endian.h>
#include <unistd.h>
@ -49,8 +50,9 @@ __libc_pread (fd, buf, count, offset)
ssize_t result;
/* First try the syscall. */
assert (sizeof (offset) == 4);
result = INLINE_SYSCALL (pread, 5, fd, CHECK_N (buf, count), count,
__LONG_LONG_PAIR (0, offset));
__LONG_LONG_PAIR (offset >> 31, offset));
# if __ASSUME_PREAD_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */