Imported Upstream version 4.6.4

1 files changed, 15 insertions, 1 deletions

diff --git a/src/libstrongswan/chunk.h b/src/libstrongswan/chunk.h
index 63644ac78..3de02eee7 100644
--- a/src/libstrongswan/chunk.h
+++ b/src/libstrongswan/chunk.h
@@ -235,6 +235,20 @@ static inline chunk_t chunk_skip(chunk_t chunk, size_t bytes)
 }
 
 /**
+ * Skip a leading zero-valued byte
+ */
+static inline chunk_t chunk_skip_zero(chunk_t chunk)
+{
+	if (chunk.len > 1 && *chunk.ptr == 0x00)
+	{
+		chunk.ptr++;
+		chunk.len--;
+	}
+	return chunk;
+}
+
+
+/**
  *  Compare two chunks, returns zero if a equals b
  *  or negative/positive if a is small/greater than b
  */
@@ -254,7 +268,7 @@ static inline bool chunk_equals(chunk_t a, chunk_t b)
  * Increment a chunk, as it would reprensent a network order integer.
  *
  * @param chunk			chunk to increment
- * @return				TRUE if an overflow occured
+ * @return				TRUE if an overflow occurred
  */
 bool chunk_increment(chunk_t chunk);