From 50eb185981108ac310e2d2d1ffed6b3ace848521 Mon Sep 17 00:00:00 2001
From: Sebastian Harl <sh@tokkee.org>
Date: Fri, 13 Dec 2013 14:44:54 +0100
Subject: [PATCH] strbuf utils: Added sdb_strbuf_clear().

---
 src/client/sysdb.c         |  1 +
 src/include/utils/strbuf.h |  7 +++++++
 src/utils/strbuf.c         | 10 ++++++++++
 3 files changed, 18 insertions(+)

diff --git a/src/client/sysdb.c b/src/client/sysdb.c
index aa79138..ada0ec3 100644
--- a/src/client/sysdb.c
+++ b/src/client/sysdb.c
@@ -32,6 +32,7 @@
 #include "client/sysdb.h"
 #include "client/sock.h"
 #include "utils/error.h"
+#include "utils/strbuf.h"
 
 #include <errno.h>
 
diff --git a/src/include/utils/strbuf.h b/src/include/utils/strbuf.h
index 900a453..96b4f86 100644
--- a/src/include/utils/strbuf.h
+++ b/src/include/utils/strbuf.h
@@ -144,6 +144,13 @@ sdb_strbuf_chomp(sdb_strbuf_t *strbuf);
 void
 sdb_strbuf_skip(sdb_strbuf_t *strbuf, size_t offset, size_t n);
 
+/*
+ * sdb_strbuf_clear:
+ * Clear the buffer but do not deallocate memory.
+ */
+void
+sdb_strbuf_clear(sdb_strbuf_t *strbuf);
+
 /*
  * sdb_strbuf_string:
  * Returns the content of the string buffer. The caller may not modify the
diff --git a/src/utils/strbuf.c b/src/utils/strbuf.c
index 6190e3a..ee419b7 100644
--- a/src/utils/strbuf.c
+++ b/src/utils/strbuf.c
@@ -311,6 +311,16 @@ sdb_strbuf_skip(sdb_strbuf_t *strbuf, size_t offset, size_t n)
 	strbuf->string[strbuf->pos] = '\0';
 } /* sdb_strbuf_skip */
 
+void
+sdb_strbuf_clear(sdb_strbuf_t *strbuf)
+{
+	if ((! strbuf) || (! strbuf->size))
+		return;
+
+	strbuf->string[0] = '\0';
+	strbuf->pos = 0;
+} /* sdb_strbuf_clear */
+
 const char *
 sdb_strbuf_string(sdb_strbuf_t *strbuf)
 {
-- 
2.30.2