From 029790d3ff6e9fccfed2214efac777b8c438e318 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani@nikula.org>
Date: Mon, 3 Feb 2014 21:51:43 +0200
Subject: util: make sanitize string available in string util for reuse

No functional changes.
---
 util/string-util.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'util/string-util.c')

diff --git a/util/string-util.c b/util/string-util.c
index a5622d7a..9e2f728f 100644
--- a/util/string-util.c
+++ b/util/string-util.c
@@ -37,6 +37,28 @@ strtok_len (char *s, const char *delim, size_t *len)
     return *len ? s : NULL;
 }
 
+char *
+sanitize_string (const void *ctx, const char *str)
+{
+    char *out, *loop;
+
+    if (! str)
+	return NULL;
+
+    out = talloc_strdup (ctx, str);
+    if (! out)
+	return NULL;
+
+    for (loop = out; *loop; loop++) {
+	if (*loop == '\t' || *loop == '\n')
+	    *loop = ' ';
+	else if ((unsigned char)(*loop) < 32)
+	    *loop = '?';
+    }
+
+    return out;
+}
+
 static int
 is_unquoted_terminator (unsigned char c)
 {
-- 
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