1 //===-- Linux implementation of symlinkat ---------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/unistd/symlinkat.h" 10 11 #include "src/__support/OSUtil/syscall.h" // For internal syscall function. 12 #include "src/__support/common.h" 13 14 #include "src/errno/libc_errno.h" 15 #include <fcntl.h> 16 #include <sys/syscall.h> // For syscall numbers. 17 18 namespace LIBC_NAMESPACE { 19 20 LLVM_LIBC_FUNCTION(int, symlinkat, 21 (const char *path1, int fd, const char *path2)) { 22 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_symlinkat, path1, fd, path2); 23 if (ret < 0) { 24 libc_errno = -ret; 25 return -1; 26 } 27 return ret; 28 } 29 30 } // namespace LIBC_NAMESPACE 31