xref: /aosp_15_r20/external/llvm-libc/src/unistd/linux/fpathconf.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1*71db0c75SAndroid Build Coastguard Worker //===-- Linux implementation of fpathconf ---------------------------------===//
2*71db0c75SAndroid Build Coastguard Worker //
3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information.
5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*71db0c75SAndroid Build Coastguard Worker //
7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===//
8*71db0c75SAndroid Build Coastguard Worker 
9*71db0c75SAndroid Build Coastguard Worker #include "src/unistd/fpathconf.h"
10*71db0c75SAndroid Build Coastguard Worker #include "src/__support/OSUtil/syscall.h" // For internal syscall function.
11*71db0c75SAndroid Build Coastguard Worker #include "src/__support/common.h"
12*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/config.h"
13*71db0c75SAndroid Build Coastguard Worker #include "src/sys/statvfs/linux/statfs_utils.h"
14*71db0c75SAndroid Build Coastguard Worker #include "src/unistd/linux/pathconf_utils.h"
15*71db0c75SAndroid Build Coastguard Worker 
16*71db0c75SAndroid Build Coastguard Worker namespace LIBC_NAMESPACE_DECL {
17*71db0c75SAndroid Build Coastguard Worker 
18*71db0c75SAndroid Build Coastguard Worker LLVM_LIBC_FUNCTION(long, fpathconf, (int fd, int name)) {
19*71db0c75SAndroid Build Coastguard Worker   if (cpp::optional<statfs_utils::LinuxStatFs> result =
20*71db0c75SAndroid Build Coastguard Worker           statfs_utils::linux_fstatfs(fd))
21*71db0c75SAndroid Build Coastguard Worker     return pathconfig(result.value(), name);
22*71db0c75SAndroid Build Coastguard Worker   return -1;
23*71db0c75SAndroid Build Coastguard Worker }
24*71db0c75SAndroid Build Coastguard Worker 
25*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL
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