X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fvendor%2Fmsgpack%2Fzbuffer.h;h=c38d627e7098682a100123d59d83a398ffe38e0b;hp=524906fab145bffe3b52e02c51f9b42d58e96f6c;hb=0c07860d8c0160fea35c59fc5d43b948f354359e;hpb=0ae8863018325f0e86112e6a1ce466d5576b5461

diff --git a/src/vendor/msgpack/zbuffer.h b/src/vendor/msgpack/zbuffer.h
index 524906fab..c38d627e7 100644
--- a/src/vendor/msgpack/zbuffer.h
+++ b/src/vendor/msgpack/zbuffer.h
@@ -13,6 +13,7 @@
 #include "sysdep.h"
 #include <stdlib.h>
 #include <string.h>
+#include <assert.h>
 #include <zlib.h>
 
 #ifdef __cplusplus
@@ -121,6 +122,9 @@ static inline int msgpack_zbuffer_write(void* data, const char* buf, size_t len)
 {
     msgpack_zbuffer* zbuf = (msgpack_zbuffer*)data;
 
+    assert(buf || len == 0);
+    if(!buf) return 0;
+
     zbuf->stream.next_in = (Bytef*)buf;
     zbuf->stream.avail_in = (uInt)len;