meta: rename legacy object module to 'ds'

ds/string.h

@@ -0,0 +1,21 @@
+#ifndef _BLUELIB_STRING_H_
+#define _BLUELIB_STRING_H_
+
+#include "object.h"
+
+/* maximum length of string that can be stored inline, not including null-terminator */
+#define STRING_INLINE_CAPACITY 15
+
+struct b_string {
+	struct b_dsref s_base;
+	/* length of string, not including null-terminator */
+	unsigned int s_len;
+	/* maximum length of string storable in the currently-allocated buffer, not including null terminator */
+	unsigned int s_max;
+	union {
+		char d_inline[STRING_INLINE_CAPACITY + 1];
+		char *d_external;
+	} s_data;
+};
+
+#endif