eliminated various clang warnings with non-null arguments

That is, use assert() to ensure that known to be non-null
variables will be used as input to functions requiring non-null.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/str.c b/lib/str.c
index 4a72a2f27f..647b03c836 100644
--- a/lib/str.c
+++ b/lib/str.c
@@ -110,6 +110,7 @@ void _gnutls_buffer_clear(gnutls_buffer_st * str)
 
 static void align_allocd_with_data(gnutls_buffer_st * dest)
 {
+	assert(dest->allocd != NULL);
 	if (dest->length)
 		memmove(dest->allocd, dest->data, dest->length);
 	dest->data = dest->allocd;
@@ -344,6 +345,8 @@ _gnutls_buffer_insert_data(gnutls_buffer_st * dest, int pos,
 	if (ret < 0)
 		return ret;
 
+	assert(dest->data != NULL);
+
 	memmove(&dest->data[pos + str_size], &dest->data[pos],
 		orig_length - pos);