From 2d694836a66c678cbde2a9299baa721158690b0b Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Thu, 19 Nov 2015 16:29:22 -0600
Subject: gril: Add parcel skip string

---
 gril/parcel.c | 21 +++++++++++++++++++++
 gril/parcel.h |  1 +
 2 files changed, 22 insertions(+)

diff --git a/gril/parcel.c b/gril/parcel.c
index 1cd8c8ee..96e3fbb4 100644
--- a/gril/parcel.c
+++ b/gril/parcel.c
@@ -200,6 +200,27 @@ char *parcel_r_string(struct parcel *p)
 	return ret;
 }
 
+void parcel_skip_string(struct parcel *p)
+{
+	int len16 = parcel_r_int32(p);
+	int strbytes;
+
+	if (p->malformed)
+		return;
+
+	/* This is how a null string is sent */
+	if (len16 < 0)
+		return;
+
+	strbytes = PAD_SIZE((len16 + 1) * sizeof(char16_t));
+	if (p->offset + strbytes > p->size) {
+		p->malformed = 1;
+		return;
+	}
+
+	p->offset += strbytes;
+}
+
 int parcel_w_raw(struct parcel *p, const void *data, size_t len)
 {
 	if (data == NULL) {
diff --git a/gril/parcel.h b/gril/parcel.h
index fd448117..df317c46 100644
--- a/gril/parcel.h
+++ b/gril/parcel.h
@@ -44,6 +44,7 @@ int32_t parcel_r_int32(struct parcel *p);
 int parcel_w_int32(struct parcel *p, int32_t val);
 int parcel_w_string(struct parcel *p, const char *str);
 char *parcel_r_string(struct parcel *p);
+void parcel_skip_string(struct parcel *p);
 int parcel_w_raw(struct parcel *p, const void *data, size_t len);
 void *parcel_r_raw(struct parcel *p,  int *len);
 size_t parcel_data_avail(struct parcel *p);
-- 
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