1 files changed, 133 insertions, 0 deletions
diff --git a/src/trace.c b/src/trace.c
new file mode 100644
index 0000000..49a1ae0
--- /dev/null
+++ b/src/trace.c
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+/*
+ * Copyright (c) 1983, 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.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)trace.c	8.6 (Berkeley) 2/1/97";
+#endif /* not lint */
+
+# include "sendmail.h"
+
+/*
+**  TtSETUP -- set up for trace package.
+**
+**	Parameters:
+**		vect -- pointer to trace vector.
+**		size -- number of flags in trace vector.
+**		defflags -- flags to set if no value given.
+**
+**	Returns:
+**		none
+**
+**	Side Effects:
+**		environment is set up.
+*/
+
+u_char		*tTvect;
+int		tTsize;
+static char	*DefFlags;
+
+void
+tTsetup(vect, size, defflags)
+	u_char *vect;
+	int size;
+	char *defflags;
+{
+	tTvect = vect;
+	tTsize = size;
+	DefFlags = defflags;
+}
+/*
+**  TtFLAG -- process an external trace flag description.
+**
+**	Parameters:
+**		s -- the trace flag.
+**
+**	Returns:
+**		none.
+**
+**	Side Effects:
+**		sets/clears trace flags.
+*/
+
+void
+tTflag(s)
+	register char *s;
+{
+	unsigned int first, last;
+	register unsigned int i;
+
+	if (*s == '\0')
+		s = DefFlags;
+
+	for (;;)
+	{
+		/* find first flag to set */
+		i = 0;
+		while (isdigit(*s))
+			i = i * 10 + (*s++ - '0');
+		first = i;
+
+		/* find last flag to set */
+		if (*s == '-')
+		{
+			i = 0;
+			while (isdigit(*++s))
+				i = i * 10 + (*s - '0');
+		}
+		last = i;
+
+		/* find the level to set it to */
+		i = 1;
+		if (*s == '.')
+		{
+			i = 0;
+			while (isdigit(*++s))
+				i = i * 10 + (*s - '0');
+		}
+
+		/* clean up args */
+		if (first >= tTsize)
+			first = tTsize - 1;
+		if (last >= tTsize)
+			last = tTsize - 1;
+
+		/* set the flags */
+		while (first <= last)
+			tTvect[first++] = i;
+
+		/* more arguments? */
+		if (*s++ == '\0')
+			return;
+	}
+}