From a1a531212aa1b73e5cfbf503e59cd5ae28370ccc Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Sun, 16 May 2021 02:03:49 +0300
Subject: export Process to winapi-common

---
 src/process.cpp | 130 --------------------------------------------------------
 1 file changed, 130 deletions(-)
 delete mode 100644 src/process.cpp

(limited to 'src')

diff --git a/src/process.cpp b/src/process.cpp
deleted file mode 100644
index 7763720..0000000
--- a/src/process.cpp
+++ /dev/null
@@ -1,130 +0,0 @@
-// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
-// This file is part of the "winapi-debug" project.
-// For details, see https://github.com/egor-tensin/winapi-debug.
-// Distributed under the MIT License.
-
-#include <pdb/all.hpp>
-
-#include <winapi/error.hpp>
-#include <winapi/utf8.hpp>
-
-#include <windows.h>
-
-#include <limits>
-#include <stdexcept>
-#include <string>
-#include <utility>
-#include <vector>
-
-namespace pdb {
-namespace {
-
-// Permissions required for MiniDumpWriteDump.
-constexpr DWORD permissions = PROCESS_QUERY_INFORMATION | PROCESS_VM_READ;
-
-Handle open_process(DWORD id) {
-    Handle process{OpenProcess(permissions, FALSE, id)};
-    if (!process) {
-        throw winapi::error::windows(GetLastError(), "OpenProcess");
-    }
-    return process;
-}
-
-class PathBuffer {
-public:
-    PathBuffer() : size{min_size} { data.resize(size); }
-
-    DWORD get_size() const { return size; }
-
-    wchar_t* get_data() { return data.data(); }
-
-    void grow() {
-        if (size < min_size) {
-            size = min_size;
-        } else {
-            // Check if we can still multiply by two.
-            if (std::numeric_limits<decltype(size)>::max() - size < size)
-                throw std::range_error{"couldn't allocate buffer sufficient for a file path"};
-            size *= 2;
-        }
-        data.resize(size);
-    }
-
-private:
-    static constexpr DWORD min_size = 256;
-
-    DWORD size;
-    std::vector<wchar_t> data;
-};
-
-std::string get_current_executable_path(PathBuffer& buffer) {
-    SetLastError(ERROR_SUCCESS);
-
-    const auto ec = ::GetModuleFileNameW(NULL, buffer.get_data(), buffer.get_size());
-
-    if (ec == 0) {
-        throw winapi::error::windows(GetLastError(), "GetModuleFileNameW");
-    }
-
-    if (ec == buffer.get_size() && GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
-        buffer.grow();
-        return get_current_executable_path(buffer);
-    }
-
-    return winapi::narrow(buffer.get_data());
-}
-
-std::string get_current_executable_path() {
-    PathBuffer buffer;
-    return get_current_executable_path(buffer);
-}
-
-std::string get_executable_path(const Handle& process, PathBuffer& buffer) {
-    auto size = buffer.get_size();
-
-    const auto ec = ::QueryFullProcessImageNameW(process.get(), 0, buffer.get_data(), &size);
-
-    if (ec != 0) {
-        return winapi::narrow(buffer.get_data());
-    }
-
-    if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
-        buffer.grow();
-        return get_executable_path(process, buffer);
-    }
-
-    throw winapi::error::windows(GetLastError(), "QueryFullProcessImageNameW");
-}
-
-std::string get_executable_path(const Handle& process) {
-    PathBuffer buffer;
-    return get_executable_path(process, buffer);
-}
-
-} // namespace
-
-Process Process::current() {
-    return Process{::GetCurrentProcessId(), Handle{::GetCurrentProcess()}};
-}
-
-Process Process::open(DWORD id) {
-    return Process{id, open_process(id)};
-}
-
-Process::Process(Handle&& handle) : Process{::GetProcessId(handle.get()), std::move(handle)} {}
-
-Process::Process(ID id, Handle&& handle) : id{id}, handle{std::move(handle)} {}
-
-std::string Process::get_executable_path() const {
-    return get_executable_path(handle);
-}
-
-std::string Process::get_executable_path(const Handle& handle) {
-    if (handle.get() == ::GetCurrentProcess()) {
-        return pdb::get_current_executable_path();
-    } else {
-        return pdb::get_executable_path(handle);
-    }
-}
-
-} // namespace pdb
-- 
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