diff options
Diffstat (limited to 'src/util/system.cpp')
-rw-r--r-- | src/util/system.cpp | 93 |
1 files changed, 44 insertions, 49 deletions
diff --git a/src/util/system.cpp b/src/util/system.cpp index 99d111b066..69811a751b 100644 --- a/src/util/system.cpp +++ b/src/util/system.cpp @@ -1,20 +1,16 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2020 The Bitcoin Core developers +// Copyright (c) 2009-2021 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include <util/system.h> #ifdef ENABLE_EXTERNAL_SIGNER -#if defined(WIN32) && !defined(__kernel_entry) -// A workaround for boost 1.71 incompatibility with mingw-w64 compiler. -// For details see https://github.com/bitcoin/bitcoin/pull/22348. -#define __kernel_entry -#endif #include <boost/process.hpp> #endif // ENABLE_EXTERNAL_SIGNER #include <chainparamsbase.h> +#include <fs.h> #include <sync.h> #include <util/check.h> #include <util/getuniquepath.h> @@ -71,10 +67,16 @@ #endif #include <boost/algorithm/string/replace.hpp> +#include <univalue.h> + +#include <fstream> +#include <map> +#include <memory> #include <optional> +#include <string> +#include <system_error> #include <thread> #include <typeinfo> -#include <univalue.h> // Application startup time (used for uptime calculation) const int64_t nStartupTime = GetTime(); @@ -151,7 +153,7 @@ bool CheckDiskSpace(const fs::path& dir, uint64_t additional_bytes) } std::streampos GetFileSize(const char* path, std::streamsize max) { - std::ifstream file(path, std::ios::binary); + std::ifstream file{path, std::ios::binary}; file.ignore(max); return file.gcount(); } @@ -244,19 +246,6 @@ static std::optional<util::SettingsValue> InterpretValue(const KeyInfo& key, con return value; } -namespace { -fs::path StripRedundantLastElementsOfPath(const fs::path& path) -{ - auto result = path; - while (fs::PathToString(result.filename()) == ".") { - result = result.parent_path(); - } - - assert(fs::equivalent(result, path)); - return result; -} -} // namespace - // Define default constructor and destructor that are not inline, so code instantiating this class doesn't need to // #include class definitions for all members. // For example, m_settings has an internal dependency on univalue. @@ -398,6 +387,13 @@ std::optional<unsigned int> ArgsManager::GetArgFlags(const std::string& name) co return std::nullopt; } +fs::path ArgsManager::GetPathArg(std::string pathlike_arg) const +{ + auto result = fs::PathFromString(GetArg(pathlike_arg, "")).lexically_normal(); + // Remove trailing slash, if present. + return result.has_filename() ? result : result.parent_path(); +} + const fs::path& ArgsManager::GetBlocksDirPath() const { LOCK(cs_args); @@ -408,7 +404,7 @@ const fs::path& ArgsManager::GetBlocksDirPath() const if (!path.empty()) return path; if (IsArgSet("-blocksdir")) { - path = fs::system_complete(fs::PathFromString(GetArg("-blocksdir", ""))); + path = fs::absolute(GetPathArg("-blocksdir")); if (!fs::is_directory(path)) { path = ""; return path; @@ -420,7 +416,6 @@ const fs::path& ArgsManager::GetBlocksDirPath() const path /= fs::PathFromString(BaseParams().DataDir()); path /= "blocks"; fs::create_directories(path); - path = StripRedundantLastElementsOfPath(path); return path; } @@ -433,9 +428,9 @@ const fs::path& ArgsManager::GetDataDir(bool net_specific) const // this function if (!path.empty()) return path; - std::string datadir = GetArg("-datadir", ""); + const fs::path datadir{GetPathArg("-datadir")}; if (!datadir.empty()) { - path = fs::system_complete(fs::PathFromString(datadir)); + path = fs::absolute(datadir); if (!fs::is_directory(path)) { path = ""; return path; @@ -443,15 +438,18 @@ const fs::path& ArgsManager::GetDataDir(bool net_specific) const } else { path = GetDefaultDataDir(); } - if (net_specific) - path /= fs::PathFromString(BaseParams().DataDir()); - if (fs::create_directories(path)) { - // This is the first run, create wallets subdirectory too + if (!fs::exists(path)) { fs::create_directories(path / "wallets"); } - path = StripRedundantLastElementsOfPath(path); + if (net_specific && !BaseParams().DataDir().empty()) { + path /= fs::PathFromString(BaseParams().DataDir()); + if (!fs::exists(path)) { + fs::create_directories(path / "wallets"); + } + } + return path; } @@ -812,8 +810,8 @@ fs::path GetDefaultDataDir() bool CheckDataDirOption() { - std::string datadir = gArgs.GetArg("-datadir", ""); - return datadir.empty() || fs::is_directory(fs::system_complete(fs::PathFromString(datadir))); + const fs::path datadir{gArgs.GetPathArg("-datadir")}; + return datadir.empty() || fs::is_directory(fs::absolute(datadir)); } fs::path GetConfigFile(const std::string& confPath) @@ -903,7 +901,7 @@ bool ArgsManager::ReadConfigFiles(std::string& error, bool ignore_invalid_keys) } const std::string confPath = GetArg("-conf", BITCOIN_CONF_FILENAME); - fsbridge::ifstream stream(GetConfigFile(confPath)); + std::ifstream stream{GetConfigFile(confPath)}; // not ok to have a config file specified that cannot be opened if (IsArgSet("-conf") && !stream.good()) { @@ -950,7 +948,7 @@ bool ArgsManager::ReadConfigFiles(std::string& error, bool ignore_invalid_keys) const size_t default_includes = add_includes({}); for (const std::string& conf_file_name : conf_file_names) { - fsbridge::ifstream conf_file_stream(GetConfigFile(conf_file_name)); + std::ifstream conf_file_stream{GetConfigFile(conf_file_name)}; if (conf_file_stream.good()) { if (!ReadConfigStream(conf_file_stream, conf_file_name, error, ignore_invalid_keys)) { return false; @@ -1064,17 +1062,24 @@ void ArgsManager::LogArgs() const bool RenameOver(fs::path src, fs::path dest) { -#ifdef WIN32 +#ifdef __MINGW64__ + // This is a workaround for a bug in libstdc++ which + // implements std::filesystem::rename with _wrename function. + // This bug has been fixed in upstream: + // - GCC 10.3: 8dd1c1085587c9f8a21bb5e588dfe1e8cdbba79e + // - GCC 11.1: 1dfd95f0a0ca1d9e6cbc00e6cbfd1fa20a98f312 + // For more details see the commits mentioned above. return MoveFileExW(src.wstring().c_str(), dest.wstring().c_str(), MOVEFILE_REPLACE_EXISTING) != 0; #else - int rc = std::rename(src.c_str(), dest.c_str()); - return (rc == 0); -#endif /* WIN32 */ + std::error_code error; + fs::rename(src, dest, error); + return !error; +#endif } /** - * Ignores exceptions thrown by Boost's create_directories if the requested directory exists. + * Ignores exceptions thrown by create_directories if the requested directory exists. * Specifically handles case where path p exists, but it wasn't possible for the user to * write to the parent directory. */ @@ -1318,16 +1323,6 @@ void SetupEnvironment() SetConsoleCP(CP_UTF8); SetConsoleOutputCP(CP_UTF8); #endif - // The path locale is lazy initialized and to avoid deinitialization errors - // in multithreading environments, it is set explicitly by the main thread. - // A dummy locale is used to extract the internal default locale, used by - // fs::path, which is then used to explicitly imbue the path. - std::locale loc = fs::path::imbue(std::locale::classic()); -#ifndef WIN32 - fs::path::imbue(loc); -#else - fs::path::imbue(std::locale(loc, new std::codecvt_utf8_utf16<wchar_t>())); -#endif } bool SetupNetworking() |