124 lines
2.4 KiB
C
124 lines
2.4 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <whereami.h>
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#if defined(_WIN32)
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#define WIN32_LEAN_AND_MEAN
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#if defined(_MSC_VER)
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#pragma warning(push, 3)
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#endif
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#include <windows.h>
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#define RTLD_LAZY 1
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#define RTLD_NOW 2
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#define RTLD_GLOBAL 4
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#define RTLD_LOCAL 8
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static void* dlopen(const char* fileName, int mode)
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{
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wchar_t buffer[MAX_PATH];
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if (MultiByteToWideChar(CP_UTF8, 0, fileName, -1, buffer, sizeof(buffer) / sizeof(*buffer)))
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{
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wchar_t buffer_[MAX_PATH];
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GetFullPathNameW(buffer, sizeof(buffer_) / sizeof(*buffer_), buffer_, NULL);
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return (void*)LoadLibraryW(buffer_);
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}
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return NULL;
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}
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static int dlclose(void* handle)
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{
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return FreeLibrary((HMODULE)handle) ? 0 : -1;
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}
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static const char* dlerror(void)
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{
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DWORD error;
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error = GetLastError();
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if (error)
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{
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static char message[1024];
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DWORD length;
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length = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, error, MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT), message, sizeof(message), NULL);
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return message;
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}
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return "no error";
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}
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#if defined(_MSC_VER)
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#pragma warning(pop)
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#endif
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#else
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#include <dlfcn.h>
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#endif
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int main(int argc, char** argv)
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{
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char* path = NULL;
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int length, dirname_length;
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int i;
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length = wai_getExecutablePath(NULL, 0, &dirname_length);
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if (length > 0)
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{
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path = (char*)malloc(length + 1);
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wai_getExecutablePath(path, length, &dirname_length);
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path[length] = '\0';
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printf("executable path: %s\n", path);
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path[dirname_length] = '\0';
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printf(" dirname: %s\n", path);
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printf(" basename: %s\n", path + dirname_length + 1);
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free(path);
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}
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length = wai_getModulePath(NULL, 0, &dirname_length);
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if (length > 0)
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{
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path = (char*)malloc(length + 1);
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wai_getModulePath(path, length, &dirname_length);
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path[length] = '\0';
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printf("module path: %s\n", path);
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path[dirname_length] = '\0';
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printf(" dirname: %s\n", path);
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printf(" basename: %s\n", path + dirname_length + 1);
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free(path);
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}
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for (i = 1; i < argc; ++i)
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{
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if (strncmp(argv[i], "--load-library=", 15) == 0)
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{
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char* name = argv[i] + 15;
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void* handle;
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printf("\n");
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handle = dlopen(name, RTLD_NOW);
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if (!handle)
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printf("failed to load library: %s\n", dlerror());
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if (handle)
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dlclose(handle);
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}
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}
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return 0;
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}
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