+#include "nssm.h"
+
+imports_t imports;
+
+/*
+ Try to set up function pointers.
+ In this first implementation it is not an error if we can't load them
+ because we aren't currently trying to load any functions which we
+ absolutely need. If we later add some indispensible imports we can
+ return non-zero here to force an application exit.
+*/
+HMODULE get_dll(const char *dll, unsigned long *error) {
+ *error = 0;
+
+ HMODULE ret = LoadLibrary(dll);
+ if (! ret) {
+ *error = GetLastError();
+ log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_LOADLIBRARY_FAILED, dll, error_string(*error));
+ }
+
+ return ret;
+}
+
+FARPROC get_import(HMODULE library, const char *function, unsigned long *error) {
+ *error = 0;
+
+ FARPROC ret = GetProcAddress(library, function);
+ if (! ret) {
+ *error = GetLastError();
+ log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_GETPROCADDRESS_FAILED, function, error_string(*error));
+ }
+
+ return ret;
+}
+
+int get_imports() {
+ unsigned long error;
+
+ ZeroMemory(&imports, sizeof(imports));
+
+ imports.kernel32 = get_dll("kernel32.dll", &error);
+ if (imports.kernel32) {
+ imports.AttachConsole = (AttachConsole_ptr) get_import(imports.kernel32, "AttachConsole", &error);
+ if (! imports.AttachConsole) {
+ if (error != ERROR_PROC_NOT_FOUND) return 2;
+ }
+ }
+ else if (error != ERROR_MOD_NOT_FOUND) return 1;
+
+ return 0;
+}
+
+void free_imports() {
+ if (imports.kernel32) FreeLibrary(imports.kernel32);
+ ZeroMemory(&imports, sizeof(imports));
+}