X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fdynamic.cpp;h=f2acdd51c6c11736ca62f42bf8bc53a85b4b64b6;hb=6bd4024fd2e93fb740329560356500ce149692b3;hp=27662a3516bccbc704fec1655e83a6692c7e611b;hpb=44f42a13de52c8025942ddab42f51feb36821782;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/dynamic.cpp b/src/dynamic.cpp index 27662a351..f2acdd51c 100644 --- a/src/dynamic.cpp +++ b/src/dynamic.cpp @@ -22,9 +22,13 @@ #include "inspircd.h" -#include "dynamic.h" -#ifndef WIN32 + +#ifndef _WIN32 #include +#else +#define dlopen(path, state) (void*)LoadLibraryA(path) +#define dlsym(handle, export) (void*)GetProcAddress((HMODULE)handle, export) +#define dlclose(handle) FreeLibrary((HMODULE)handle) #endif DLLManager::DLLManager(const char *fname) @@ -39,7 +43,7 @@ DLLManager::DLLManager(const char *fname) h = dlopen(fname, RTLD_NOW|RTLD_LOCAL); if (!h) { - err = dlerror(); + RetrieveLastError(); } } @@ -50,34 +54,47 @@ DLLManager::~DLLManager() dlclose(h); } -union init_t { - void* vptr; - Module* (*fptr)(); -}; - Module* DLLManager::CallInit() { - if (!h) - return NULL; - - init_t initfn; - initfn.vptr = dlsym(h, MODULE_INIT_STR); - if (!initfn.vptr) + union { - err = dlerror(); + void* vptr; + Module* (*fptr)(); + }; + + vptr = GetSymbol(MODULE_INIT_STR); + if (!vptr) return NULL; - } - return (*initfn.fptr)(); + return (*fptr)(); +} + +void* DLLManager::GetSymbol(const char* name) +{ + return h ? dlsym(h, name) : NULL; } std::string DLLManager::GetVersion() { - if (!h) - return ""; + const char* srcver = static_cast(GetSymbol("inspircd_src_version")); + return srcver ? srcver : ""; +} + +void DLLManager::RetrieveLastError() +{ +#if defined _WIN32 + char errmsg[500]; + DWORD dwErrorCode = GetLastError(); + if (FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dwErrorCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)errmsg, _countof(errmsg), NULL) == 0) + sprintf_s(errmsg, _countof(errmsg), "Error code: %u", dwErrorCode); + SetLastError(ERROR_SUCCESS); + err = errmsg; +#else + const char* errmsg = dlerror(); + err = errmsg ? errmsg : "Unknown error"; +#endif - const char* srcver = (char*)dlsym(h, "inspircd_src_version"); - if (srcver) - return srcver; - return "Unversioned module"; + std::string::size_type p; + while ((p = err.find_last_of("\r\n")) != std::string::npos) + err.erase(p, 1); }