3 msvcrt funcs (#42)

* msvcrt funcs

* fix empty final line

* Promment

CMakeLists.txt

@@ -1,9 +1,9 @@
 cmake_minimum_required(VERSION 3.13)
 
-if (NOT CMAKE_BUILD_TYPE)
+if(NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE "Debug" CACHE STRING
-            "Build type options: Debug Release RelWithDebInfo MinSizeRel" FORCE)
+        "Build type options: Debug Release RelWithDebInfo MinSizeRel" FORCE)
-endif ()
+endif()
 
 project(wibo LANGUAGES CXX)
 
@@ -25,10 +25,11 @@ add_executable(wibo
     dll/user32.cpp
     dll/vcruntime.cpp
     dll/version.cpp
+    dll/msvcrt.cpp
     files.cpp
     handles.cpp
     loader.cpp
     main.cpp
-    )
+)
 target_link_libraries(wibo PRIVATE std::filesystem)
 install(TARGETS wibo DESTINATION bin)

dll/msvcrt.cpp

@@ -0,0 +1,36 @@
+#include "common.h"
+
+namespace msvcrt {
+	int _commode;
+	int _fmode;
+
+	// Stub because we're only ever a console application
+	void WIN_FUNC __set_app_type(int at) {
+	}
+
+	int* WIN_FUNC __p__fmode() {
+		return &_fmode;
+	}
+
+	int* WIN_FUNC __p__commode() {
+		return &_commode;
+	}
+}
+
+
+static void *resolveByName(const char *name) {
+	if (strcmp(name, "__set_app_type") == 0) return (void *) msvcrt::__set_app_type;
+	if (strcmp(name, "__p__fmode") == 0) return (void *) msvcrt::__p__fmode;
+	if (strcmp(name, "__p__commode") == 0) return (void *) msvcrt::__p__commode;
+	return nullptr;
+}
+
+wibo::Module lib_msvcrt = {
+	(const char *[]){
+		"msvcrt40",
+		"msvcrt40.dll",
+		nullptr,
+	},
+	resolveByName,
+	nullptr,
+};

main.cpp

@@ -77,6 +77,7 @@ extern const wibo::Module lib_bcrypt;
 extern const wibo::Module lib_crt;
 extern const wibo::Module lib_kernel32;
 extern const wibo::Module lib_lmgr;
+extern const wibo::Module lib_msvcrt;
 extern const wibo::Module lib_ntdll;
 extern const wibo::Module lib_ole32;
 extern const wibo::Module lib_user32;
@@ -88,6 +89,7 @@ const wibo::Module * wibo::modules[] = {
 	&lib_crt,
 	&lib_kernel32,
 	&lib_lmgr,
+	&lib_msvcrt,
 	&lib_ntdll,
 	&lib_ole32,
 	&lib_user32,