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-rw-r--r--libc/sysdeps/linux/common/mmap64.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/libc/sysdeps/linux/common/mmap64.c b/libc/sysdeps/linux/common/mmap64.c
index 2cf200dc9..85b0a6f17 100644
--- a/libc/sysdeps/linux/common/mmap64.c
+++ b/libc/sysdeps/linux/common/mmap64.c
@@ -58,8 +58,13 @@ __ptr_t mmap64(__ptr_t addr, size_t len, int prot, int flags, int fd, __off64_t
__set_errno(EINVAL);
return MAP_FAILED;
}
-
- return __syscall_mmap2(addr, len, prot, flags, fd, (off_t) (offset >> MMAP2_PAGE_SHIFT));
+#ifdef __USE_FILE_OFFSET64
+ return __syscall_mmap2(addr, len, prot, flags,
+ fd,((__u_quad_t)offset >> MMAP2_PAGE_SHIFT));
+#else
+ return __syscall_mmap2(addr, len, prot, flags,
+ fd,((__ulong_t)offset >> MMAP2_PAGE_SHIFT));
+#endif
}
# endif