Imported StringForSize utility function from Haiku. To be removed when

WebPositive is integrated into the Haiku source tree.

git-svn-id: http://svn.haiku-os.org/webpositive/webkit/trunk@351 94f232f2-1747-11df-bad5-a5bfde151594

src/apps/webpositive/support/StringForSize.cpp

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2010 Haiku Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include "StringForSize.h"
+
+#include <stdio.h>
+
+
+namespace BPrivate {
+
+
+const char*
+string_for_size(double size, char* string, size_t stringSize)
+{
+	double kib = size / 1024.0;
+	if (kib < 1.0) {
+		snprintf(string, stringSize, "%d bytes", (int)size);
+		return string;
+	}
+	double mib = kib / 1024.0;
+	if (mib < 1.0) {
+		snprintf(string, stringSize, "%3.2f KiB", kib);
+		return string;
+	}
+	double gib = mib / 1024.0;
+	if (gib < 1.0) {
+		snprintf(string, stringSize, "%3.2f MiB", mib);
+		return string;
+	}
+	double tib = gib / 1024.0;
+	if (tib < 1.0) {
+		snprintf(string, stringSize, "%3.2f GiB", gib);
+		return string;
+	}
+	snprintf(string, stringSize, "%.2f TiB", tib);
+	return string;
+}
+
+
+}	// namespace BPrivate
+

src/apps/webpositive/support/StringForSize.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010 Haiku Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef STRING_FOR_SIZE_H
+#define STRING_FOR_SIZE_H
+
+#include <SupportDefs.h>
+
+
+namespace BPrivate {
+
+
+const char* string_for_size(double size, char* string, size_t stringSize);
+
+
+}	// namespace BPrivate
+
+
+using BPrivate::string_for_size;
+
+
+#endif // COLOR_QUANTIZER_H