Imported Upstream version 8.8.8upstream/8.8.8

1 files changed, 80 insertions, 0 deletions

diff --git a/src/useful.h b/src/useful.h
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+/*
+ * Copyright (c) 1995-1997 Eric P. Allman
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)useful.h	8.7 (Berkeley) 5/29/97
+ */
+
+# include <sys/types.h>
+
+/* support for bool type */
+typedef int	bool;
+#ifndef TRUE
+# define TRUE	1
+# define FALSE	0
+#endif
+
+# ifndef NULL
+# define NULL	0
+# endif /* NULL */
+
+/* bit hacking */
+# define bitset(bit, word)	(((word) & (bit)) != 0)
+
+/* some simple functions */
+# ifndef max
+# define max(a, b)	((a) > (b) ? (a) : (b))
+# define min(a, b)	((a) < (b) ? (a) : (b))
+# endif
+
+/* assertions */
+# ifndef NASSERT
+# define ASSERT(expr, msg, parm)\
+	if (!(expr))\
+	{\
+		fprintf(stderr, "assertion botch: %s:%d: ", __FILE__, __LINE__);\
+		fprintf(stderr, msg, parm);\
+	}
+# else /* NASSERT */
+# define ASSERT(expr, msg, parm)
+# endif /* NASSERT */
+
+/* sccs id's */
+# ifndef lint
+#  ifdef __STDC__
+#   define SCCSID(arg)	static char SccsId[] = #arg;
+#  else
+#   define SCCSID(arg)	static char SccsId[] = "arg";
+#  endif
+# else
+#  define SCCSID(arg)
+# endif