| //===-- Implementation of creat -------------------------------------------===// |
| // |
| // 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/fcntl/creat.h" |
| |
| #include "src/__support/OSUtil/syscall.h" // For internal syscall function. |
| #include "src/__support/common.h" |
| #include "src/errno/libc_errno.h" |
| |
| #include <fcntl.h> |
| #include <sys/syscall.h> // For syscall numbers. |
| |
| namespace __llvm_libc { |
| |
| LLVM_LIBC_FUNCTION(int, creat, (const char *path, int mode_flags)) { |
| #ifdef SYS_open |
| int fd = __llvm_libc::syscall_impl(SYS_open, path, |
| O_CREAT | O_WRONLY | O_TRUNC, mode_flags); |
| #else |
| int fd = __llvm_libc::syscall_impl(SYS_openat, AT_FDCWD, path, |
| O_CREAT | O_WRONLY | O_TRUNC, mode_flags); |
| #endif |
| |
| if (fd > 0) |
| return fd; |
| |
| libc_errno = -fd; |
| return -1; |
| } |
| |
| } // namespace __llvm_libc |