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//========= Copyright Valve Corporation ============//
#include "envvartools_public.h"
#include <stdlib.h>
#if defined(_WIN32)
#include <Windows.h>
#undef GetEnvironmentVariable
#undef SetEnvironmentVariable
#endif
std::string GetEnvironmentVariable( const char *pchVarName )
{
#if defined(_WIN32)
char rchValue[32767]; // max size for an env var on Windows
DWORD cChars = GetEnvironmentVariableA( pchVarName, rchValue, sizeof( rchValue ) );
if( cChars == 0 )
return "";
else
return rchValue;
#elif defined(POSIX)
char *pchValue = getenv( pchVarName );
if( pchValue )
return pchValue;
else
return "";
#else
#error "Unsupported Platform"
#endif
}
bool SetEnvironmentVariable( const char *pchVarName, const char *pchVarValue )
{
#if defined(_WIN32)
return 0 != SetEnvironmentVariableA( pchVarName, pchVarValue );
#elif defined(POSIX)
if( pchVarValue == NULL )
return 0 == unsetenv( pchVarName );
else
return 0 == setenv( pchVarName, pchVarValue, 1 );
#else
#error "Unsupported Platform"
#endif
}
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