| //===-- Linux implementation of lseek -------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/unistd/lseek.h" |
| #include "src/errno/libc_errno.h" |
| |
| #include "src/__support/File/linux/lseekImpl.h" |
| #include "src/__support/OSUtil/syscall.h" // For internal syscall function. |
| #include "src/__support/common.h" |
| |
| #include <sys/syscall.h> // For syscall numbers. |
| #include <unistd.h> // For off_t. |
| |
| namespace LIBC_NAMESPACE { |
| |
| LLVM_LIBC_FUNCTION(off_t, lseek, (int fd, off_t offset, int whence)) { |
| auto result = internal::lseekimpl(fd, offset, whence); |
| if (!result.has_value()) { |
| libc_errno = result.error(); |
| return -1; |
| } |
| return result.value(); |
| } |
| |
| } // namespace LIBC_NAMESPACE |