Resolved a bunch of TODOs. Added one.

new/container_windows.c

@@ -55,7 +55,6 @@ BOOL sharedWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *
 	return FALSE;
 }
 
-// TODO add function names to errors
 void resize(uiControl *control, HWND parent, RECT r)
 {
 	uiSizing d;
@@ -66,20 +65,20 @@ void resize(uiControl *control, HWND parent, RECT r)
 
 	dc = GetDC(parent);
 	if (dc == NULL)
-		logLastError("error getting DC for preferred size calculations");
+		logLastError("error getting DC in resize()");
 	prevfont = (HFONT) SelectObject(dc, hMessageFont);
 	if (prevfont == NULL)
-		logLastError("error loading control font into device context for preferred size calculation");
+		logLastError("error loading control font into device context in resize()");
 	if (GetTextMetricsW(dc, &tm) == 0)
-		logLastError("error getting text metrics for preferred size calculations");
+		logLastError("error getting text metrics in resize()");
 	if (GetTextExtentPoint32W(dc, L"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", 52, &size) == 0)
-		logLastError("error getting text extent point for preferred size calculations");
+		logLastError("error getting text extent point in resize()");
 	d.baseX = (int) ((size.cx / 26 + 1) / 2);
 	d.baseY = (int) tm.tmHeight;
 	d.internalLeading = tm.tmInternalLeading;
 	if (SelectObject(dc, prevfont) != hMessageFont)
-		logLastError("error restoring previous font into device context after preferred size calculations");
+		logLastError("error restoring previous font into device context in resize()");
 	if (ReleaseDC(parent, dc) == 0)
-		logLastError("error releasing DC for preferred size calculations");
+		logLastError("error releasing DC in resize()");
 	(*(control->resize))(control, r.left, r.top, r.right - r.left, r.bottom - r.top, &d);
 }

new/control.c

@@ -0,0 +1,9 @@
+// 7 april 2015
+#include "uipriv.h"
+
+uintptr_t uiControlHandle(uiControl *c)
+{
+	return (*(c->handle))(c);
+}
+
+// TODO do this for the others

new/init_windows.c

@@ -13,7 +13,7 @@ struct uiInitError {
 	char failbuf[256];
 };
 
-static void loadLastError(uiInitError *err, const char *message)
+static uiInitError *loadLastError(uiInitError *err, const char *message)
 {
 	DWORD le;
 
@@ -22,6 +22,7 @@ static void loadLastError(uiInitError *err, const char *message)
 	// TODO make sure argument is right; _snprintf_s() isn't supported on Windows XP
 	snprintf(err->failbuf, 256, "error %s (last error %I32u)", message, le);
 	err->msg = err->failbuf;
+	return err;
 }
 
 uiInitError *uiInit(uiInitOptions *o)
@@ -33,13 +34,11 @@ uiInitError *uiInit(uiInitOptions *o)
 	HCURSOR hDefaultCursor;
 	NONCLIENTMETRICSW ncm;
 
-	err = (uiInitError *) uiAlloc(sizeof (uiInitError));
+	err = uiNew(uiInitError);
 
 	hInstance = GetModuleHandle(NULL);
-	if (hInstance == NULL) {
+	if (hInstance == NULL)
-		loadLastError(err, "getting program HINSTANCE");
+		return loadLastError(err, "getting program HINSTANCE");
-		return err;
-	}
 
 	nCmdShow = SW_SHOWDEFAULT;
 	GetStartupInfoW(&si);
@@ -47,40 +46,27 @@ uiInitError *uiInit(uiInitOptions *o)
 		nCmdShow = si.wShowWindow;
 
 	// TODO add "in initCommonControls()" to each of the messages this returns
-	// TODO make loadLastError() return err directly
 	ce = initCommonControls();
-	if (ce != NULL) {
+	if (ce != NULL)
-		loadLastError(err, ce);
+		return loadLastError(err, ce);
-		return err;
-	}
 
 	hDefaultIcon = LoadIconW(NULL, IDI_APPLICATION);
-	if (hDefaultIcon == NULL) {
+	if (hDefaultIcon == NULL)
-		loadLastError(err, "loading default icon for window classes");
+		return loadLastError(err, "loading default icon for window classes");
-		return err;
-	}
 	hDefaultCursor = LoadCursorW(NULL, IDC_ARROW);
-	if (hDefaultCursor == NULL) {
+	if (hDefaultCursor == NULL)
-		loadLastError(err, "loading default cursor for window classes");
+		return loadLastError(err, "loading default cursor for window classes");
-		return err;
-	}
 
-	if (registerWindowClass(hDefaultIcon, hDefaultCursor) == 0) {
+	if (registerWindowClass(hDefaultIcon, hDefaultCursor) == 0)
-		loadLastError(err, "registering uiWindow window class");
+		return loadLastError(err, "registering uiWindow window class");
-		return err;
-	}
 
 	ZeroMemory(&ncm, sizeof (NONCLIENTMETRICSW));
 	ncm.cbSize = sizeof (NONCLIENTMETRICSW);
-	if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, sizeof (NONCLIENTMETRICSW), &ncm, sizeof (NONCLIENTMETRICSW)) == 0) {
+	if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, sizeof (NONCLIENTMETRICSW), &ncm, sizeof (NONCLIENTMETRICSW)) == 0)
-		loadLastError(err, "getting default fonts");
+		return loadLastError(err, "getting default fonts");
-		return err;
-	}
 	hMessageFont = CreateFontIndirectW(&(ncm.lfMessageFont));
-	if (hMessageFont == NULL) {
+	if (hMessageFont == NULL)
-		loadLastError(err, "loading default messagebox font; this is the default UI font");
+		return loadLastError(err, "loading default messagebox font; this is the default UI font");
-		return err;
-	}
 
 	// give each control a reasonable initial parent
 	// don't free the initial parent!

new/main_darwin.m

@@ -26,9 +26,3 @@ void uiQuit(void)
 	[NSApp postEvent:e atStart:NO];		// let pending events take priority
 	// TODO really wait?
 }
-
-// TODO move somewhere else
-uintptr_t uiControlHandle(uiControl *c)
-{
-	return (*(c->handle))(c);
-}

new/main_unix.c

@@ -12,9 +12,3 @@ void uiQuit(void)
 {
 	gtk_main_quit();
 }
-
-// TODO move somewhere else
-uintptr_t uiControlHandle(uiControl *c)
-{
-	return (*(c->handle))(c);
-}

new/main_windows.c

@@ -54,9 +54,3 @@ void uiQuit(void)
 {
 	PostQuitMessage(0);
 }
-
-// TODO move somewhere else
-uintptr_t uiControlHandle(uiControl *c)
-{
-	return (*(c->handle))(c);
-}