From 114b5812f6283f2325fc31e186b26c6d76f9551a Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Thu, 29 Oct 2015 07:11:24 +0100
Subject: Prevector type

---
 src/script/script.h | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

(limited to 'src/script/script.h')

diff --git a/src/script/script.h b/src/script/script.h
index a38d33a18..3650957fc 100644
--- a/src/script/script.h
+++ b/src/script/script.h
@@ -7,6 +7,7 @@
 #define BITCOIN_SCRIPT_SCRIPT_H
 
 #include "crypto/common.h"
+#include "prevector.h"
 
 #include <assert.h>
 #include <climits>
@@ -354,8 +355,10 @@ private:
     int64_t m_value;
 };
 
+typedef prevector<28, unsigned char> CScriptBase;
+
 /** Serialized script, used inside transaction inputs and outputs */
-class CScript : public std::vector<unsigned char>
+class CScript : public CScriptBase
 {
 protected:
     CScript& push_int64(int64_t n)
@@ -376,9 +379,10 @@ protected:
     }
 public:
     CScript() { }
-    CScript(const CScript& b) : std::vector<unsigned char>(b.begin(), b.end()) { }
-    CScript(const_iterator pbegin, const_iterator pend) : std::vector<unsigned char>(pbegin, pend) { }
-    CScript(const unsigned char* pbegin, const unsigned char* pend) : std::vector<unsigned char>(pbegin, pend) { }
+    CScript(const CScript& b) : CScriptBase(b.begin(), b.end()) { }
+    CScript(const_iterator pbegin, const_iterator pend) : CScriptBase(pbegin, pend) { }
+    CScript(std::vector<unsigned char>::const_iterator pbegin, std::vector<unsigned char>::const_iterator pend) : CScriptBase(pbegin, pend) { }
+    CScript(const unsigned char* pbegin, const unsigned char* pend) : CScriptBase(pbegin, pend) { }
 
     CScript& operator+=(const CScript& b)
     {
@@ -611,7 +615,7 @@ public:
     void clear()
     {
         // The default std::vector::clear() does not release memory.
-        std::vector<unsigned char>().swap(*this);
+        CScriptBase().swap(*this);
     }
 };
 
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