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- `README`: Mention PowerTools for libpcap-devel - `RefCountString`: Use anonymous array for `data`
DNS-OARC · Aug 16, 2023 · 75283cc · 75283cc
1 parent 740a99e
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Showing 2 changed files with 3 additions and 5 deletions.
diff --git a/README.md b/README.md
@@ -48,7 +48,7 @@ To install the dependencies under Debian/Ubuntu:
 apt-get install -y zlib1g-dev libmaxminddb-dev
 ```
 
-To install the dependencies under CentOS (with EPEL enabled):
+To install the dependencies under CentOS (with EPEL/PowerTools enabled):
 ```
 yum install -y zlib-devel libmaxminddb-devel
 ```

diff --git a/src/refcountstring.h b/src/refcountstring.h
@@ -33,7 +33,7 @@
 struct RefCountString {
     // data
     int  count;
-    char data[sizeof(int)]; // this is a dummy, actual array will be larger
+    char data[];
 
     // implementation
     void inc_refcount()
@@ -50,9 +50,7 @@ struct RefCountString {
 
     static RefCountString* allocate(int data_length)
     {
-        std::size_t size = sizeof(RefCountString) - sizeof(char[sizeof(int)]) + data_length * sizeof(char);
-
-        void* chunk = std::calloc(1, size);
+        void* chunk = std::calloc(1, sizeof(RefCountString) + data_length);
         if (!chunk)
             throw std::bad_alloc();