1 //===-- Linux implementation of fpathconf ---------------------------------===// 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/fpathconf.h" 10 #include "src/__support/OSUtil/syscall.h" // For internal syscall function. 11 #include "src/__support/common.h" 12 #include "src/__support/macros/config.h" 13 #include "src/sys/statvfs/linux/statfs_utils.h" 14 #include "src/unistd/linux/pathconf_utils.h" 15 16 namespace LIBC_NAMESPACE_DECL { 17 18 LLVM_LIBC_FUNCTION(long, fpathconf, (int fd, int name)) { 19 if (cpp::optional<statfs_utils::LinuxStatFs> result = 20 statfs_utils::linux_fstatfs(fd)) 21 return pathconfig(result.value(), name); 22 return -1; 23 } 24 25 } // namespace LIBC_NAMESPACE_DECL 26