X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/b14547d587486810f0e96caafd438a030c627dc3..ad7871609881e73855d0b04da49b486cd93efca7:/usr/src/usr.sbin/sendmail/src/useful.h

diff --git a/usr/src/usr.sbin/sendmail/src/useful.h b/usr/src/usr.sbin/sendmail/src/useful.h
index c36cd0553a..944eb5c962 100644
--- a/usr/src/usr.sbin/sendmail/src/useful.h
+++ b/usr/src/usr.sbin/sendmail/src/useful.h
@@ -1,12 +1,39 @@
 /*
-**  USEFUL.H -- Some useful stuff.
-**
-**	@(#)useful.h	3.4	%G%
-*/
+ * 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	8.1 (Berkeley) 6/7/93
+ */
 
-# ifndef makedev
 # include <sys/types.h>
-# endif
 
 /* support for bool type */
 typedef char	bool;
@@ -15,25 +42,32 @@ typedef char	bool;
 
 # ifndef NULL
 # define NULL	0
-# endif NULL
+# endif /* NULL */
 
 /* bit hacking */
-# define bitset(bit, word)	((word) & (bit))
+# 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
 
-/* define the types of some common functions */
-extern char	*strcpy();
-extern char	*strcat();
-extern char	*malloc();
-extern char	*index(), *rindex();
-extern int	errno;
-extern char	*sprintf();
-extern long	time();
-extern char	*ctime();
-# ifndef V6
-extern char	*getenv();
-# else V6
-typedef char	*u_short;
-typedef long	u_long;
-typedef char	u_char;
-typedef int	void;
-# endif V6
+/* 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
+# define SCCSID(arg)	static char SccsId[] = "arg";
+# else
+# define SCCSID(arg)
+# endif