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lang/c/msgpack: optimize zone::alloc()

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git-svn-id: file:///Users/frsyuki/project/msgpack-git/svn/x@61 5a5092ae-2292-43ba-b2d5-dcab9c1a2731
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frsyuki
2009-02-15 09:09:57 +00:00
parent a721837ed0
commit 4d13f614b6
4 changed files with 86 additions and 73 deletions
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11
cpp/unpack.cpp
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@@ -21,6 +21,7 @@
namespace msgpack {
struct unpacker::context {
context(zone* z)
{
@@ -98,11 +99,13 @@ void unpacker::expand_buffer(size_t len)
else { next_size = UNPACKER_INITIAL_BUFFER_SIZE; }
while(next_size < len + m_used) { next_size *= 2; }
// FIXME realloc?
void* tmp = malloc(next_size);
void* tmp = realloc(m_buffer, next_size);
if(!tmp) { throw std::bad_alloc(); }
memcpy(tmp, m_buffer, m_used);
free(m_buffer);
m_buffer = tmp;
//void* tmp = malloc(next_size);
//if(!tmp) { throw std::bad_alloc(); }
//memcpy(tmp, m_buffer, m_used);
//free(m_buffer);
m_buffer = tmp;
m_free = next_size - m_used;