8f3be7a32b
This patch removes the logic for resolving paths out of FileSpec and updates call sites to rely on the FileSystem class instead. Differential revision: https://reviews.llvm.org/D53915 llvm-svn: 345890
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
//===-- FileSystem.cpp ------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Host/FileSystem.h"
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// C includes
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#include <dirent.h>
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#include <sys/mount.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#if defined(__NetBSD__)
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#include <sys/statvfs.h>
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#endif
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// lldb Includes
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#include "lldb/Host/Host.h"
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#include "lldb/Utility/Status.h"
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#include "lldb/Utility/StreamString.h"
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#include "llvm/Support/FileSystem.h"
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using namespace lldb;
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using namespace lldb_private;
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const char *FileSystem::DEV_NULL = "/dev/null";
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Status FileSystem::Symlink(const FileSpec &src, const FileSpec &dst) {
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Status error;
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if (::symlink(dst.GetCString(), src.GetCString()) == -1)
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error.SetErrorToErrno();
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return error;
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}
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Status FileSystem::Readlink(const FileSpec &src, FileSpec &dst) {
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Status error;
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char buf[PATH_MAX];
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ssize_t count = ::readlink(src.GetCString(), buf, sizeof(buf) - 1);
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if (count < 0)
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error.SetErrorToErrno();
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else {
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buf[count] = '\0'; // Success
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dst.SetFile(buf, FileSpec::Style::native);
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}
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return error;
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}
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Status FileSystem::ResolveSymbolicLink(const FileSpec &src, FileSpec &dst) {
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char resolved_path[PATH_MAX];
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if (!src.GetPath(resolved_path, sizeof(resolved_path))) {
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return Status("Couldn't get the canonical path for %s", src.GetCString());
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}
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char real_path[PATH_MAX + 1];
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if (realpath(resolved_path, real_path) == nullptr) {
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Status err;
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err.SetErrorToErrno();
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return err;
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}
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dst = FileSpec(real_path);
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return Status();
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}
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FILE *FileSystem::Fopen(const char *path, const char *mode) {
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return ::fopen(path, mode);
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}
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