[nostalgia] Replace C strings with ox::StringView

src/nostalgia/core/gba/gfx.cpp

@@ -85,7 +85,7 @@ ox::Error shutdownGfx(Context*) noexcept {
 	return {};
 }
 
-void setWindowTitle(Context*, const char*) noexcept {
+void setWindowTitle(Context*, ox::CRStringView) noexcept {
 }
 
 void focusWindow(Context*) noexcept {
@@ -210,10 +210,11 @@ ox::Error loadSpritePalette(Context *ctx, unsigned cbb, const ox::FileAddress &p
 }
 
 // Do NOT use Context in the GBA version of this function.
-void puts(Context *ctx, int column, int row, const char *str) noexcept {
-	for (int i = 0; str[i]; i++) {
+void puts(Context *ctx, int column, int row, ox::CRStringView str) noexcept {
+	const auto col = static_cast<unsigned>(column);
+	for (auto i = 0u; i < str.bytes(); i++) {
 		const auto c = charMap[static_cast<unsigned>(str[i])];
-		setTile(ctx, 0, column + i, row, static_cast<uint8_t>(c));
+		setTile(ctx, 0, static_cast<int>(col + i), row, static_cast<uint8_t>(c));
 	}
 }