Update vendored msgpack-c to 4.0.0

[lttng-tools.git] / src / vendor / msgpack / sbuffer.h

diff --git a/src/vendor/msgpack/sbuffer.h b/src/vendor/msgpack/sbuffer.h
index c494bae77a5e13225fb5f020e6eee0fd268397d9..572d8f27e683ed33704acae9a761db893e351810 100644 (file)
--- a/src/vendor/msgpack/sbuffer.h
+++ b/src/vendor/msgpack/sbuffer.h
@@ -12,6 +12,7 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include <assert.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -60,6 +61,9 @@ static inline int msgpack_sbuffer_write(void* data, const char* buf, size_t len)
 {
     msgpack_sbuffer* sbuf = (msgpack_sbuffer*)data;
 
+    assert(buf || len == 0);
+    if(!buf) return 0;
+
     if(sbuf->alloc - sbuf->size < len) {
         void* tmp;
         size_t nsize = (sbuf->alloc) ?
@@ -83,6 +87,7 @@ static inline int msgpack_sbuffer_write(void* data, const char* buf, size_t len)
 
     memcpy(sbuf->data + sbuf->size, buf, len);
     sbuf->size += len;
+
     return 0;
 }