sundry bugfixes

color.d

@@ -1208,7 +1208,7 @@ class TrueColorImageWithoutAlpha : MemoryImage {
 +/
 
 
-alias extern(C) int function(const void*, const void*) @system Comparator;
+alias extern(C) int function(scope const void*, scope const void*) @system Comparator;
 @trusted void nonPhobosSort(T)(T[] obj,  Comparator comparator) {
 	import core.stdc.stdlib;
 	qsort(obj.ptr, obj.length, typeof(obj[0]).sizeof, comparator);
@@ -1240,7 +1240,7 @@ body {
 		int opCmp(ref const ColorUse co) const {
 			return co.uses - uses;
 		}
-		extern(C) static int comparator(const void* lhs, const void* rhs) {
+		extern(C) static int comparator(scope const void* lhs, scope const void* rhs) {
 			return (cast(ColorUse*)rhs).uses - (cast(ColorUse*)lhs).uses;
 		}
 	}

simpledisplay.d

@@ -5217,7 +5217,7 @@ version(X11) {
 				data[0 .. text.length] = text[];
 				return data[0 .. text.length];
 			} else {
-				data[] = text[];
+				data[] = text[0 .. data.length];
 				text = text[data.length .. $];
 				return data[];
 			}
@@ -14432,6 +14432,7 @@ static if(!SdpyIsUsingIVGLBinds) {
 
 	Added: August 25, 2020 (version 8.5)
 +/
+version(without_opengl) {} else
 void glBufferDataSlice(GLenum target, const(void[]) data, GLenum usage) {
 	glBufferData(target, data.length, data.ptr, usage);
 }
@@ -14493,6 +14494,7 @@ struct BasicMatrix(int columns, int rows, T = float) {
 
 	Added: August 25, 2020 (version 8.5)
 +/
+version(without_opengl) {} else
 final class OpenGlShader {
 	private int shaderProgram_;
 	private @property void shaderProgram(int a) {
@@ -15918,8 +15920,11 @@ private mixin template DynamicLoad(Iface, string library, bool openGLRelated = f
                         		libHandle = dlopen("/usr/X11/lib/lib" ~ library ~ ".dylib", RTLD_NOW);
 				else
                         		libHandle = dlopen(library ~ ".dylib", RTLD_NOW);
-			} else
+			} else {
                         	libHandle = dlopen("lib" ~ library ~ ".so", RTLD_NOW);
+				if(libHandle is null && library[0] == 'X') // some systems require the version number and we using X11R6 so just hardcoding special case.
+                        		libHandle = dlopen("lib" ~ library ~ ".so.6", RTLD_NOW);
+			}
 
 			static void* loadsym(void* l, const char* name) {
 				import core.stdc.stdlib;

terminalemulator.d

@@ -90,23 +90,34 @@ TerminalEmulator.TerminalCell[] sliceTrailingWhitespace(TerminalEmulator.Termina
 	return t;
 }
 
-struct ScopeBuffer(T, size_t maxSize) {
-	T[maxSize] buffer;
+struct ScopeBuffer(T, size_t maxSize, bool allowGrowth = false) {
+	T[maxSize] bufferInternal;
+	T[] buffer;
 	size_t length;
 	bool isNull = true;
 	T[] opSlice() { return isNull ? null : buffer[0 .. length]; }
 	void opOpAssign(string op : "~")(in T rhs) {
+		if(buffer is null) buffer = bufferInternal[];
 		isNull = false;
-		if(this.length < buffer.length) // i am silently discarding more crap
+		static if(allowGrowth) {
+			if(this.length == buffer.length)
+				buffer.length = buffer.length * 2;
+
 			buffer[this.length++] = rhs;
+		} else {
+			if(this.length < buffer.length) // i am silently discarding more crap
+				buffer[this.length++] = rhs;
+		}
 	}
 	void opOpAssign(string op : "~")(in T[] rhs) {
+		if(buffer is null) buffer = bufferInternal[];
 		isNull = false;
 		buffer[this.length .. this.length + rhs.length] = rhs[];
 		this.length += rhs.length;
 	}
 	void opAssign(in T[] rhs) {
 		isNull = rhs is null;
+		if(buffer is null) buffer = bufferInternal[];
 		buffer[0 .. rhs.length] = rhs[];
 		this.length = rhs.length;
 	}
@@ -999,7 +1010,7 @@ class TerminalEmulator {
 	immutable(dchar[dchar])* characterSet = null; // null means use regular UTF-8
 
 	bool readingEsc = false;
-	ScopeBuffer!(ubyte, 1024) esc;
+	ScopeBuffer!(ubyte, 1024, true) esc;
 	/// sends raw input data to the terminal as if the application printf()'d it or it echoed or whatever
 	void sendRawInput(in ubyte[] datain) {
 		const(ubyte)[] data = datain;
@@ -3707,20 +3718,24 @@ mixin template PtySupport(alias resizeHelper) {
 				throw new Exception("WriteFile " ~ to!string(GetLastError()));
 		} else version(Posix) {
 			import core.sys.posix.unistd;
+			int frozen;
 			while(data.length) {
 				enum MAX_SEND = 1024 * 20;
 				auto sent = write(master, data.ptr, data.length > MAX_SEND ? MAX_SEND : cast(int) data.length);
 				//import std.stdio; writeln("ROFL ", sent, " ", data.length);
 
 				import core.stdc.errno;
-				/*
 				if(sent == -1 && errno == 11) {
 					import core.thread;
-					Thread.sleep(100.msecs);
+					if(frozen == 50)
+						throw new Exception("write froze up");
+					frozen++;
+					Thread.sleep(10.msecs);
 					//import std.stdio; writeln("lol");
 					continue; // just try again
 				}
-				*/
+
+				frozen = 0;
 
 				import std.conv;
 				if(sent < 0)