Import changeset

regex/utils.h

@@ -0,0 +1,22 @@
+/* utility definitions */
+#ifdef _POSIX2_RE_DUP_MAX
+#define	DUPMAX		_POSIX2_RE_DUP_MAX	/* xxx is this right? */
+#else
+#define DUPMAX		255
+#endif
+#define	RE_INFINITY	(DUPMAX + 1)
+#define	NC		(CHAR_MAX - CHAR_MIN + 1)
+typedef unsigned char uch;
+
+/* switch off assertions (if not already off) if no REDEBUG */
+#ifndef REDEBUG
+#ifndef NDEBUG
+#define	NDEBUG	/* no assertions please */
+#endif
+#endif
+#include <assert.h>
+
+/* for old systems with bcopy() but no memmove() */
+#ifdef USEBCOPY
+#define	memmove(d, s, c)	bcopy(s, d, c)
+#endif