Fixes from Sigrid for plan9

assembler.c

@@ -448,12 +448,18 @@ int
 main(int argc, char *argv[])
 {
 	FILE *f;
-	if(argc < 3)
-		return error("Input", "Missing");
-	if(!(f = fopen(argv[1], "r")))
-		return error("Open", "Failed");
-	if(!pass1(f) || !pass2(f))
-		return error("Assembly", "Failed");
+	if(argc < 3) {
+		error("Input", "Missing");
+		return 1;
+	}
+	if(!(f = fopen(argv[1], "r"))) {
+		error("Open", "Failed");
+		return 1;
+	}
+	if(!pass1(f) || !pass2(f)) {
+		error("Assembly", "Failed");
+		return 1;
+	}
 	fwrite(p.data, sizeof(p.data), 1, fopen(argv[2], "wb"));
 	fclose(f);
 	cleanup(argv[2]);

emulator.c

@@ -58,13 +58,13 @@ Uint8 icons[][8] = {
 	{0x00, 0x7e, 0x40, 0x7c, 0x40, 0x40, 0x7e, 0x00},
 	{0x00, 0x7e, 0x40, 0x40, 0x7c, 0x40, 0x40, 0x00}};
 
-SDL_Window *gWindow;
-SDL_Renderer *gRenderer;
-SDL_Texture *gTexture;
-Uint32 *pixels;
+static SDL_Window *gWindow;
+static SDL_Renderer *gRenderer;
+static SDL_Texture *gTexture;
+static Uint32 *pixels;
 
-Screen screen;
-Device *devscreen, *devmouse, *devkey, *devctrl;
+static Screen screen;
+static Device *devscreen, *devmouse, *devkey, *devctrl;
 
 #pragma mark - Helpers
 
@@ -252,6 +252,7 @@ init(void)
 	if(!(pixels = (Uint32 *)malloc(WIDTH * HEIGHT * sizeof(Uint32))))
 		return error("Pixels", "Failed to allocate memory");
 	clear(pixels);
+	SDL_StartTextInput();
 	SDL_ShowCursor(SDL_DISABLE);
 	screen.bounds.x1 = PAD * 8;
 	screen.bounds.x2 = WIDTH - PAD * 8 - 1;
@@ -385,7 +386,7 @@ sprite_poke(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1)
 Uint8
 file_poke(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1)
 {
-	char *name = &m[(m[ptr + 8] << 8) + m[ptr + 8 + 1]];
+	char *name = (char *)&m[(m[ptr + 8] << 8) + m[ptr + 8 + 1]];
 	Uint16 length = (m[ptr + 8 + 2] << 8) + m[ptr + 8 + 3];
 	if(b0 == 0x0d) {
 		Uint16 addr = (m[ptr + 8 + 4] << 8) + b1;

uxn.c

@@ -196,8 +196,8 @@ int
 bootuxn(Uxn *u)
 {
 	size_t i;
-	char *cptr = (char *)&u;
-	for(i = 0; i < sizeof u; i++)
+	char *cptr = (char *)u;
+	for(i = 0; i < sizeof(*u); i++)
 		cptr[i] = 0;
 	return 1;
 }