BSD 4.4 Lite Usr.bin Sources

1 files changed, 107 insertions, 0 deletions

diff --git a/usr.bin/ktrace/subr.c b/usr.bin/ktrace/subr.c
new file mode 100644
index 0000000..6076c24
--- /dev/null
+++ b/usr.bin/ktrace/subr.c
@@ -0,0 +1,107 @@
+/*-
+ * 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[] = "@(#)subr.c	8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/user.h>
+#include <sys/proc.h>
+#include <sys/time.h>
+#include <sys/ktrace.h>
+#include <stdio.h>
+#include "ktrace.h"
+
+getpoints(s)
+	char *s;
+{
+	int facs = 0;
+
+	while (*s) {
+		switch(*s) {
+		case 'c':
+			facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET;
+			break;
+		case 'n':
+			facs |= KTRFAC_NAMEI;
+			break;
+		case 'i':
+			facs |= KTRFAC_GENIO;
+			break;
+		case 's':
+			facs |= KTRFAC_PSIG;
+			break;
+		case 'w':
+			facs |= KTRFAC_CSW;
+			break;
+		case '+':
+			facs |= DEF_POINTS;
+			break;
+		default:
+			return (-1);
+		}
+		s++;
+	}
+	return (facs);
+}
+
+timevaladd(t1, t2)
+	struct timeval *t1, *t2;
+{
+	t1->tv_sec += t2->tv_sec;
+	t1->tv_usec += t2->tv_usec;
+	timevalfix(t1);
+}
+
+timevalsub(t1, t2)
+	struct timeval *t1, *t2;
+{
+	t1->tv_sec -= t2->tv_sec;
+	t1->tv_usec -= t2->tv_usec;
+	timevalfix(t1);
+}
+
+timevalfix(t1)
+	struct timeval *t1;
+{
+	if (t1->tv_usec < 0) {
+		t1->tv_sec--;
+		t1->tv_usec += 1000000;
+	}
+	if (t1->tv_usec >= 1000000) {
+		t1->tv_sec++;
+		t1->tv_usec -= 1000000;
+	}
+}