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[vcpkg] Add non-throwing implementation of write_contents()

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This commit is contained in:
Robert Schumacher 2018-02-21 22:18:15 -08:00
parent f6d652c1bf
commit 65e241cf8b
5 changed files with 33 additions and 10 deletions
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10
toolsrc/include/vcpkg/base/files.h
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@ -34,7 +34,7 @@ namespace vcpkg::Files
virtual std::vector<fs::path> get_files_non_recursive(const fs::path& dir) const = 0;
virtual void write_lines(const fs::path& file_path, const std::vector<std::string>& lines) = 0;
virtual void write_contents(const fs::path& file_path, const std::string& data) = 0;
virtual void write_contents(const fs::path& file_path, const std::string& data, std::error_code& ec) = 0;
virtual void rename(const fs::path& oldpath, const fs::path& newpath) = 0;
virtual bool remove(const fs::path& path) = 0;
virtual bool remove(const fs::path& path, std::error_code& ec) = 0;
@ -51,6 +51,14 @@ namespace vcpkg::Files
fs::copy_options opts,
std::error_code& ec) = 0;
virtual fs::file_status status(const fs::path& path, std::error_code& ec) const = 0;
inline void write_contents(const fs::path& file_path, const std::string& data)
{
std::error_code ec;
write_contents(file_path, data, ec);
Checks::check_exit(
VCPKG_LINE_INFO, ec, "error while writing file: %s: %s", file_path.u8string(), ec.message());
}
};
Filesystem& get_real_filesystem();

4
toolsrc/src/vcpkg/base/checks.cpp
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@ -10,6 +10,10 @@ namespace vcpkg::Checks
{
[[noreturn]] static void cleanup_and_exit(const int exit_code)
{
static std::atomic<bool> have_entered = false;
if (have_entered) std::terminate();
have_entered = true;
const auto elapsed_us = GlobalState::timer.lock()->microseconds();
auto metrics = Metrics::g_metrics.lock();

21
toolsrc/src/vcpkg/base/files.cpp
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@ -164,21 +164,30 @@ namespace vcpkg::Files
{
return fs::stdfs::status(path, ec);
}
virtual void write_contents(const fs::path& file_path, const std::string& data) override
virtual void write_contents(const fs::path& file_path, const std::string& data, std::error_code& ec) override
{
ec = std::error_code();
FILE* f = nullptr;
#if defined(_WIN32)
auto ec = _wfopen_s(&f, file_path.native().c_str(), L"wb");
auto err = _wfopen_s(&f, file_path.native().c_str(), L"wb");
#else
f = fopen(file_path.native().c_str(), "wb");
int ec = f != nullptr ? 0 : 1;
int err = f != nullptr ? 0 : 1;
#endif
Checks::check_exit(
VCPKG_LINE_INFO, ec == 0, "Error: Could not open file for writing: %s", file_path.u8string().c_str());
if (err != 0)
{
ec.assign(err, std::system_category());
return;
}
auto count = fwrite(data.data(), sizeof(data[0]), data.size(), f);
fclose(f);
Checks::check_exit(VCPKG_LINE_INFO, count == data.size());
if (count != data.size())
{
ec = std::make_error_code(std::errc::no_space_on_device);
}
}
};

5
toolsrc/src/vcpkg/metrics.cpp
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@ -427,8 +427,9 @@ namespace vcpkg::Metrics
}
const fs::path vcpkg_metrics_txt_path = temp_folder_path / ("vcpkg" + generate_random_UUID() + ".txt");
fs.write_contents(vcpkg_metrics_txt_path, payload);
std::error_code ec;
fs.write_contents(vcpkg_metrics_txt_path, payload, ec);
if (ec) return;
const std::string cmd_line = Strings::format("start \"vcpkgmetricsuploader.exe\" \"%s\" \"%s\"",
temp_folder_path_exe.u8string(),
vcpkg_metrics_txt_path.u8string());

3
toolsrc/src/vcpkg/userconfig.cpp
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@ -78,7 +78,8 @@ namespace vcpkg
user_id,
user_time,
user_mac,
last_completed_survey));
last_completed_survey),
ec);
}
catch (...)
{