From f4fb20fba83a40f6cbc1953f195f979baeeb3740 Mon Sep 17 00:00:00 2001
From: Jun-ichiro itojun Hagino <itojun@cvs.openbsd.org>
Date: Mon, 16 Jun 2003 06:36:41 +0000
Subject: - limited number of processes per systrace - escape fixes for special
 characters markus, sturm ok.  from provos

---
 bin/systrace/util.c | 34 +++++++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

(limited to 'bin/systrace/util.c')

diff --git a/bin/systrace/util.c b/bin/systrace/util.c
index b6bd8b17cd2..563c2757098 100644
--- a/bin/systrace/util.c
+++ b/bin/systrace/util.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: util.c,v 1.9 2002/10/09 03:52:10 itojun Exp $	*/
+/*	$OpenBSD: util.c,v 1.10 2003/06/16 06:36:40 itojun Exp $	*/
 /*
  * Copyright 2002 Niels Provos <provos@citi.umich.edu>
  * All rights reserved.
@@ -33,9 +33,41 @@
 #include <string.h>
 #include <ctype.h>
 #include <stdio.h>
+#include <err.h>
 
 #include "util.h"
 
+char *
+strescape(char *str)
+{
+	static char escape[8192];
+	int i, p;
+
+	for (p = i = 0; i < strlen(str) && p < sizeof(escape) - 1; i++) {
+		char a = str[i];
+		switch (a) {
+		case '\r':
+			a = 'r';
+			goto doescape;
+		case '\n':
+			a = 'n';
+			goto doescape;
+		case '\\':
+		case '\"':
+		doescape:
+			escape[p++] = '\\';
+			if (p >= sizeof(escape) - 1)
+				errx(1, "%s: string too long: %s",
+				    __func__, str);
+		default:
+			escape[p++] = a;
+		}
+	}
+
+	escape[p] = '\0';
+	return (escape);
+}
+
 char *
 strrpl(char *str, size_t size, char *match, char *value)
 {
-- 
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