htp: add HTPCalloc wrapper

src/app-layer-htp-mem.c

@@ -121,6 +121,23 @@ void *HTPMalloc(size_t size)
     return ptr;
 }
 
+void *HTPCalloc(size_t n, size_t size)
+{
+    void *ptr = NULL;
+
+    if (HTPCheckMemcap((uint32_t)(n * size)) == 0)
+        return NULL;
+
+    ptr = SCCalloc(n, size);
+
+    if (unlikely(ptr == NULL))
+        return NULL;
+
+    HTPIncrMemuse((uint64_t)(n * size));
+
+    return ptr;
+}
+
 void *HTPRealloc(void *ptr, size_t orig_size, size_t size)
 {
     void *rptr = NULL;

src/app-layer-htp-mem.h

@@ -19,6 +19,7 @@
 
 void HTPParseMemcap();
 void *HTPMalloc(size_t size);
+void *HTPCalloc(size_t n, size_t size);
 void *HTPRealloc(void *ptr, size_t orig_size, size_t size);
 void HTPFree(void *ptr, size_t size);