diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/pread64.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/pread64.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/sysdeps/unix/sysv/linux/pread64.c b/sysdeps/unix/sysv/linux/pread64.c index 7b5019ad06..c599f7664b 100644 --- a/sysdeps/unix/sysv/linux/pread64.c +++ b/sysdeps/unix/sysv/linux/pread64.c @@ -16,28 +16,25 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <errno.h> -#include <endian.h> #include <unistd.h> - #include <sysdep-cancel.h> -#include <sys/syscall.h> -#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */ -# ifdef __NR_pread -# error "__NR_pread and __NR_pread64 both defined???" -# endif -# define __NR_pread __NR_pread64 +#ifndef __NR_pread64 +# define __NR_pread64 __NR_pread #endif - ssize_t __libc_pread64 (int fd, void *buf, size_t count, off64_t offset) { - return SYSCALL_CANCEL (pread, fd, buf, count, - __LONG_LONG_PAIR ((off_t) (offset >> 32), - (off_t) (offset & 0xffffffff))); + return SYSCALL_CANCEL (pread64, fd, buf, count, + __ALIGNMENT_ARG SYSCALL_LL64 (offset)); } weak_alias (__libc_pread64, __pread64) weak_alias (__libc_pread64, pread64) + +#if __WORDSIZE == 64 && !defined (__ASSUME_OFF_DIFF_OFF64) +strong_alias (__libc_pread64, __libc_pread) +weak_alias (__libc_pread64, __pread) +weak_alias (__libc_pread64, pread) +#endif |