fix potential issue withing 0-length strings

Try · Try · commit fb34da9b0a4d · 2023-01-22T19:03:57.000+01:00
#390
diff --git a/game/game/serialize.cpp b/game/game/serialize.cpp
@@ -144,6 +144,8 @@ uint32_t Serialize::implDirectorySize(std::string e) {
   }
 
 void Serialize::writeBytes(const void* buf, size_t sz) {
+  if(sz==0)
+    return;
   size_t at = entryBuf.size();
   entryBuf.resize(entryBuf.size()+sz);
   std::memcpy(&entryBuf[at],buf,sz);

Original file line number	Diff line number	Diff line change
`@@ -144,6 +144,8 @@ uint32_t Serialize::implDirectorySize(std::string e) {`
`144`	`144`	`}`
`145`	`145`
`146`	`146`	`void Serialize::writeBytes(const void* buf, size_t sz) {`
	`147`	`+ if(sz==0)`
	`148`	`+ return;`
`147`	`149`	`size_t at = entryBuf.size();`
`148`	`150`	`entryBuf.resize(entryBuf.size()+sz);`
`149`	`151`	`std::memcpy(&entryBuf[at],buf,sz);`