| //===-- Linux implementation of write -------------------------------------===// |
| // |
| // 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/write.h" |
| |
| #include "src/__support/OSUtil/syscall.h" // For internal syscall function. |
| #include "src/__support/common.h" |
| #include "src/errno/libc_errno.h" |
| |
| #include <sys/syscall.h> // For syscall numbers. |
| |
| namespace LIBC_NAMESPACE { |
| |
| LLVM_LIBC_FUNCTION(ssize_t, write, (int fd, const void *buf, size_t count)) { |
| ssize_t ret = |
| LIBC_NAMESPACE::syscall_impl<ssize_t>(SYS_write, fd, buf, count); |
| if (ret < 0) { |
| libc_errno = static_cast<int>(-ret); |
| return -1; |
| } |
| return ret; |
| } |
| |
| } // namespace LIBC_NAMESPACE |