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[stg.git] / stglibs / crypto.lib / bfstream.cpp

diff --git a/stglibs/crypto.lib/bfstream.cpp b/stglibs/crypto.lib/bfstream.cpp
index 21a0d55d88d88416dce8e9c332296edc19b3cf1e..3325bd1a2c8052862295f3902f90e619f6cd0aa9 100644 (file)
--- a/stglibs/crypto.lib/bfstream.cpp
+++ b/stglibs/crypto.lib/bfstream.cpp
@@ -33,7 +33,7 @@ class COMMON
         void Put(const void * data, size_t size, bool last)
         {
         size_t dataSize = m_ptr - m_buffer;
-        if (dataSize + size > sizeof(m_buffer))
+        while (dataSize + size > sizeof(m_buffer))
             {
             memcpy(m_ptr, data, sizeof(m_buffer) - dataSize); // Fill buffer
             size -= sizeof(m_buffer) - dataSize; // Adjust size
@@ -41,6 +41,7 @@ class COMMON
             m_proc(m_buffer, m_buffer, sizeof(m_buffer), &m_ctx); // Process
             m_ok = m_ok && m_callback(m_buffer, sizeof(m_buffer), m_data); // Consume
             m_ptr = m_buffer;
+            dataSize = 0;
             }
         if (!m_ok)
             return;
@@ -49,7 +50,7 @@ class COMMON
         m_tryConsume(last);
         }
 
-        bool isOk() const { return m_ok; }
+        bool IsOk() const { return m_ok; }
 
     private:
         char m_buffer[BUFFER_SIZE];
@@ -69,7 +70,7 @@ class COMMON
             dataSize += 8;
             remainder = 0;
             }
-        if (dataSize == 0)
+        if (!last && dataSize == 0) // Allow to call callback with 0 data on last call.
             return;
         m_proc(m_buffer, m_buffer, dataSize, &m_ctx);
         m_ok = m_ok && m_callback(m_buffer, dataSize, m_data);
@@ -116,9 +117,9 @@ void ENCRYPT_STREAM::Put(const void * data, size_t size, bool last)
 m_impl->Put(data, size, last);
 }
 
-bool ENCRYPT_STREAM::isOk() const
+bool ENCRYPT_STREAM::IsOk() const
 {
-return m_impl->isOk();
+return m_impl->IsOk();
 }
 
 DECRYPT_STREAM::DECRYPT_STREAM(const std::string & key, CALLBACK callback, void * data)
@@ -135,7 +136,7 @@ void DECRYPT_STREAM::Put(const void * data, size_t size, bool last)
 m_impl->Put(data, size, last);
 }
 
-bool DECRYPT_STREAM::isOk() const
+bool DECRYPT_STREAM::IsOk() const
 {
-return m_impl->isOk();
+return m_impl->IsOk();
 }