append data at limit, not at position

advance limit when writing

diff --git a/GrowingBuffer.cpp b/GrowingBuffer.cpp
index 602084c..b5dea96 100644 (file)
--- a/GrowingBuffer.cpp
+++ b/GrowingBuffer.cpp
@@ -44,17 +44,18 @@ void* GrowingBuffer::read(void* buffer, size_t length) {
 }
 
 void GrowingBuffer::write(const void* buffer, size_t length) {
 }
 
 void GrowingBuffer::write(const void* buffer, size_t length) {

-       if (length > (size - position)) {
+       if (length > (size - limit)) {

                int newSize = size;
                do {
                        newSize *= 2;
                int newSize = size;
                do {
                        newSize *= 2;

-               } while (length > (newSize - position));
+               } while (length > (newSize - limit));

                void* newData = malloc(newSize);
                memcpy(newData, data, position);
                free(data);
                data = newData;
        }
                void* newData = malloc(newSize);
                memcpy(newData, data, position);
                free(data);
                data = newData;
        }

-       memcpy((ptrdiff_t*) data + position, buffer, length);
+       memcpy((ptrdiff_t*) data + limit, buffer, length);
+       limit += length;

 }
 
 void GrowingBuffer::cut() {
 }
 
 void GrowingBuffer::cut() {