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* Fix noinline for older compiler versions (e.g. Visual Studio 6.0)Pali Rohár2021-02-031-1/+11
| | | | | | Visual Studio 6.0 does not support __declspec(noinline) and throw error. Add checks for compilers which support noinline to prevent compile errors.
* Define ULONG_PTR for older SDKPali Rohár2021-02-031-0/+5
| | | | | | If compiling with _WIN32_WINNT target prior 0x0500 then SDK does not define ULONG_PTR type. Such systems are only 32bit so define it explicitly to 32bit type ULONG.
* Fix MSVC 14.00 compile warning: warning C4244: '=' : conversion from ↵Pali Rohár2021-02-031-1/+1
| | | | 'ULONG_PTR' to 'char', possible loss of data
* Add helper function MyGetModuleHandleFromAddress()Pali Rohár2021-02-031-7/+57
| | | | | | | | | | This function implements calling GetModuleHandleExA() with correct flags to retrieve hModule from passed address. To allow compilation also with older compilers and environments (like WDK) with any _WIN32_WINNT value, retrieve pointer to this function via GetProcAddress(). And as a fallback implementation use old code via VirtualQuery() which was there prior commit 8ec5ffef2eca.
* Fix helper function MyEnumProcessModules()Pali Rohár2021-02-031-7/+32
| | | | | | | | | | | | | | | Call SetErrorMode(SEM_FAILCRITICALERRORS) prior opening Psapi.dll library to avoid GUI error messages. Close Psapi.dll library via FreeLibrary() if symbol was not retrieved to prevent possible memory leaks. Try to get K32EnumProcessModules symbol from Kernel32.dll library as it is preferred way how to call EnumProcessModules() on Windows 7 and newer versions. If retrieving EnumProcessModules symbol failed with both methods then do not try it again on next MyEnumProcessModules() function call.
* Avoid calling SetLastError() and GetLastError() internallyPali Rohár2021-02-031-22/+17
| | | | | | There is no need for propagating internal errors via SetLastError() and GetLastError() calls. Just use additional argument for save_err_str() function. Also dlfcn API is POSIX and does not use GetLastError().
* Move hCurrentProc variable to scope where is usedPali Rohár2021-02-031-2/+3
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* Fix some style issuesPali Rohár2021-02-031-10/+10
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* Remove duplicate checks for NULL pointersPali Rohár2021-01-291-4/+1
| | | | is_valid_address() already rejects NULL addresses, so there is no need to check address for NULL.
* Remove code for finding symbol name in import tablePali Rohár2021-01-291-53/+6
| | | | | | It is not required as import table can use only symbols which are exported and therefore are in export table. So if symbol is not found in export table it cannot be in import table.
* Function dladdr() now retrieve symbol name and symbol address from both ↵Pali Rohár2021-01-271-26/+80
| | | | | | export and import tables dladdr tests for Windows now should always pass like on other systems.
* Add function dladdr() and associated test application test-dladdrRalf Habacker2021-01-173-5/+236
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* Rewrite function save_err_ptr_str() to not use sprintf()Pali Rohár2020-12-131-6/+13
| | | | | | | | sprintf() is marked by MSVC as unsafe and suppressing compile warning does not work. It is still generated on AppVeyor. So rewrite code for converting pointer number to string via open coded for-loop and do not use unsafe sprintf() function anymore. New code correctly handles both 32bit and 64bit variants and does not use any #ifdef _MSC_VER anymore.
* Move cmake targets into sub directoriesRalf Habacker2020-09-143-0/+599
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