Copied userlandfs code from the test tree to the haiku source tree,

where it will be ported to Haiku. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20216 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-02-24 00:30:19 +00:00
parent d5e020e912
commit 83812f6752
96 changed files with 25005 additions and 0 deletions
@@ -0,0 +1,70 @@
+// String.h
+
+#ifndef STRING_H
+#define STRING_H
+
+#include <string.h>
+
+#include <SupportDefs.h>
+
+
+// string_hash
+//
+// from the Dragon Book: a slightly modified hashpjw()
+static inline
+uint32
+string_hash(const char *name)
+{
+	uint32 h = 0;
+	if (name) {
+		for (; *name; name++) {
+			uint32 g = h & 0xf0000000;
+			if (g)
+				h ^= g >> 24;
+			h = (h << 4) + *name;
+		}
+	}
+	return h;
+}
+
+#ifdef __cplusplus
+
+namespace UserlandFSUtil {
+
+// String
+class String {
+public:
+	String();
+	String(const String &string);
+	String(const char *string, int32 length = -1);
+	~String();
+
+	bool SetTo(const char *string, int32 maxLength = -1);
+	void Unset();
+
+	void Truncate(int32 newLength);
+
+	const char *GetString() const;
+	int32 GetLength() const	{ return fLength; }
+
+	uint32 GetHashCode() const	{ return string_hash(GetString()); }
+
+	String &operator=(const String &string);
+	bool operator==(const String &string) const;
+	bool operator!=(const String &string) const { return !(*this == string); }
+
+private:
+	bool _SetTo(const char *string, int32 length);
+
+private:
+	int32	fLength;
+	char	*fString;
+};
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::String;
+
+#endif	// __cplusplus
+
+#endif	// STRING_H