diff options
Diffstat (limited to 'src/libs/3rdparty/winpty/src/libwinpty/AgentLocation.cc')
-rw-r--r-- | src/libs/3rdparty/winpty/src/libwinpty/AgentLocation.cc | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/libs/3rdparty/winpty/src/libwinpty/AgentLocation.cc b/src/libs/3rdparty/winpty/src/libwinpty/AgentLocation.cc new file mode 100644 index 0000000000..82d00b2da2 --- /dev/null +++ b/src/libs/3rdparty/winpty/src/libwinpty/AgentLocation.cc @@ -0,0 +1,75 @@ +// Copyright (c) 2011-2016 Ryan Prichard +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to +// deal in the Software without restriction, including without limitation the +// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +// sell copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS +// IN THE SOFTWARE. + +#include "AgentLocation.h" + +#include <windows.h> + +#include <string> + +#include "../shared/WinptyAssert.h" + +#include "LibWinptyException.h" + +#define AGENT_EXE L"winpty-agent.exe" + +static HMODULE getCurrentModule() { + HMODULE module; + if (!GetModuleHandleExW( + GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | + GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, + reinterpret_cast<LPCWSTR>(getCurrentModule), + &module)) { + ASSERT(false && "GetModuleHandleEx failed"); + } + return module; +} + +static std::wstring getModuleFileName(HMODULE module) { + const int bufsize = 4096; + wchar_t path[bufsize]; + int size = GetModuleFileNameW(module, path, bufsize); + ASSERT(size != 0 && size != bufsize); + return std::wstring(path); +} + +static std::wstring dirname(const std::wstring &path) { + std::wstring::size_type pos = path.find_last_of(L"\\/"); + if (pos == std::wstring::npos) { + return L""; + } else { + return path.substr(0, pos); + } +} + +static bool pathExists(const std::wstring &path) { + return GetFileAttributesW(path.c_str()) != 0xFFFFFFFF; +} + +std::wstring findAgentProgram() { + std::wstring progDir = dirname(getModuleFileName(getCurrentModule())); + std::wstring ret = progDir + (L"\\" AGENT_EXE); + if (!pathExists(ret)) { + throw LibWinptyException( + WINPTY_ERROR_AGENT_EXE_MISSING, + (L"agent executable does not exist: '" + ret + L"'").c_str()); + } + return ret; +} |