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| author | Ulrich Drepper <drepper@redhat.com> | 2002-07-17 20:44:33 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2002-07-17 20:44:33 +0000 |
| commit | ef571c256028c96c1785df8f0b9cfd45769a2a39 (patch) | |
| tree | 649d22f0a6325f823c11a41f84aa52b3b80488f8 | |
| parent | c14c75032a2f823cea17522d068f4e119f3d6197 (diff) | |
| download | glibc-ef571c256028c96c1785df8f0b9cfd45769a2a39.tar.gz glibc-ef571c256028c96c1785df8f0b9cfd45769a2a39.tar.xz glibc-ef571c256028c96c1785df8f0b9cfd45769a2a39.zip | |
Sign extend offset.
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/pread.c | 6 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/pwrite.c | 6 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/pread.c | 6 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/pwrite.c | 6 |
4 files changed, 16 insertions, 8 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/pread.c b/sysdeps/unix/sysv/linux/mips/pread.c index b1c1c0d871..45305d2ccc 100644 --- a/sysdeps/unix/sysv/linux/mips/pread.c +++ b/sysdeps/unix/sysv/linux/mips/pread.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 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 <unistd.h> #include <endian.h> @@ -48,8 +49,9 @@ __libc_pread (fd, buf, count, offset) ssize_t result; /* First try the syscall. */ + assert (sizeof (offset) == 4); result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0, - __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. */ diff --git a/sysdeps/unix/sysv/linux/mips/pwrite.c b/sysdeps/unix/sysv/linux/mips/pwrite.c index 40b2c8b23c..44f9d30ebf 100644 --- a/sysdeps/unix/sysv/linux/mips/pwrite.c +++ b/sysdeps/unix/sysv/linux/mips/pwrite.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 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 <unistd.h> #include <endian.h> @@ -47,8 +48,9 @@ __libc_pwrite (fd, buf, count, offset) ssize_t result; /* First try the syscall. */ + assert (sizeof (offset) == 4); result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0, - __LONG_LONG_PAIR (0, offset)); + __LONG_LONG_PAIR (offset >> 31, offset)); # if __ASSUME_PWRITE_SYSCALL == 0 if (result == -1 && errno == ENOSYS) /* No system call available. Use the emulation. */ diff --git a/sysdeps/unix/sysv/linux/pread.c b/sysdeps/unix/sysv/linux/pread.c index da664887fe..2d5af618ac 100644 --- a/sysdeps/unix/sysv/linux/pread.c +++ b/sysdeps/unix/sysv/linux/pread.c @@ -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. */ diff --git a/sysdeps/unix/sysv/linux/pwrite.c b/sysdeps/unix/sysv/linux/pwrite.c index ceafef838a..6a68adcdbd 100644 --- a/sysdeps/unix/sysv/linux/pwrite.c +++ b/sysdeps/unix/sysv/linux/pwrite.c @@ -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_pwrite (fd, buf, count, offset) ssize_t result; /* First try the syscall. */ + assert (sizeof (offset) == 4); result = INLINE_SYSCALL (pwrite, 5, fd, CHECK_N (buf, count), count, - __LONG_LONG_PAIR (0, offset)); + __LONG_LONG_PAIR (offset >> 31, offset)); # if __ASSUME_PWRITE_SYSCALL == 0 if (result == -1 && errno == ENOSYS) /* No system call available. Use the emulation. */ |