ilikecats/stk-code_catmod
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Bugfix: Compiler optimisations on certain compilers could cause the

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networked version to fail (indication: warning message "warning:
dereferencing type-punned pointer will break strict-aliasing rules").


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@2266 178a84e3-b1eb-0310-8ba1-8eac791a3b58
This commit is contained in:
hikerstk 2008-09-14 15:01:14 +00:00
parent 5f6b27bb80
commit 1ee4c7976a
2 changed files with 14 additions and 1 deletions
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13
src/network/message.cpp
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@ -143,6 +143,19 @@ short Message::getShort()
return ntohs(*(short*)(&m_data[m_pos-sizeof(short)]));
} // getShort
// ----------------------------------------------------------------------------
/** Adds a floating point value to the message.
* \param data Floating point value to add.
*/
void Message::addFloat(const float data)
{
// The simple approach of using addInt(*(int*)&data)
// does not work (at least with optimisation on certain g++ versions,
// see getFloat for more details)
int n;
memcpy(&n, &data, sizeof(float));
addInt(n);
} // addFloat
// ----------------------------------------------------------------------------
float Message::getFloat()
{

2
src/network/message.hpp
View File

@ -61,7 +61,7 @@ public:
void addString(const std::string &data);
void addStringVector(const std::vector<std::string>& vs);
void addUInt(unsigned int data) { addInt(*(int*)&data); }
void addFloat(float data) { addInt(*(int*)&data); }
void addFloat(const float data);
void addBool(bool data) { addChar(data?1:0); }
void addChar(char data) { addCharArray((char*)&data,1);}
void addCharArray(char *c, unsigned int n=1)