Ref the implement from the glibc and high=0 seems so bad.
Signed-off-by: Guo Ren <ren_...@c-sky.com>
---
libc/sysdeps/linux/common/lseek.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/libc/sysdeps/linux/common/lseek.c
b/libc/sysdeps/linux/common/lseek.c
index 33df822..80d6931 100644
--- a/libc/sysdeps/linux/common/lseek.c
+++ b/libc/sysdeps/linux/common/lseek.c
@@ -19,8 +19,9 @@ off_t __NC(lseek)(int fd, off_t offset, int whence)
{
#if __WORDSIZE == 32
__off64_t result;
- __off_t high = 0;
- return INLINE_SYSCALL(llseek, 5, fd, high, offset, &result, whence) ?:
result;
+ return INLINE_SYSCALL(llseek, 5, fd,
+ (long) (((uint64_t) (offset)) >> 32),
+ (long) offset, &result, whence) ?: result;
#else
return lseek64(fd, offset, whence);
#endif
--
2.7.4
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