Implemented the cross-platform bits of uiInit().

common/init.c

@@ -0,0 +1,36 @@
+// 19 april 2019
+#include <string.h>
+#include "ui.h"
+#include "uipriv.h"
+
+static int initialized = 0;
+
+int uiprivInitCheckParams(void *options, uiInitError *err)
+{
+	if (err == NULL)
+		return 0;
+	if (err->Size != sizeof (uiInitError))
+		return 0;
+
+	if (initialized)
+		return uiprivInitReturnError(err, "xxxxxxxxx");
+
+	if (options != NULL)
+		return uiprivInitReturnError(err, "xxxxxxxx");
+
+	return 1;
+}
+
+int uiprivInitReturnError(uiInitError *err, const char *msg)
+{
+	strncpy(err->Message, msg, 256);
+	if (err->Message[255] != '\0')
+		// TODO there should be some check to make sure this doesn't happen
+		err->Message[255] = '\0';
+	return 0;
+}
+
+void uiprivMarkInitialized(void)
+{
+	initialized = 1;
+}

common/meson.build

@@ -0,0 +1,5 @@
+# 23 march 2019
+
+libui_sources += [
+	'common/init.c',
+]

common/uipriv.h

@@ -0,0 +1,6 @@
+// 19 april 2019
+
+// init.c
+extern int uiprivInitCheckParams(void *options, uiInitError *err);
+extern int uiprivInitReturnError(uiInitError *err, const char *msg);
+extern void uiprivMarkInitialized(void);

meson.build

@@ -140,8 +140,7 @@ libui_sources = []
 libui_deps = []
 libui_soversion = ''
 libui_rpath = ''
-#subdir('common')
-libui_sources+=['dummy.c']
+subdir('common')
 if libui_OS == 'windows'
 #	subdir('windows')
 	install_headers('ui_windows.h')