Hi, you may have a look at: http://dbp-consulting.com/StrictAliasing.pdf On 05/30/2011 10:34 AM, Thibault Castel wrote: [...] > int main (int ac, char** av) > { > TData data; > char raw[10]; Character types can point to anything. I am not sure if this also includes char []. Lets assume it does. > TDummy* pFoo = NULL; > char* pChar = NULL; [...] > // No warning - Why ??? > pFoo = (TDummy*) (raw); Character types can point to anything. [...] > // Strict aliasing warning - Why ??? > pFoo = (TDummy*) (data.raw); TDummy and TData are different types. You can modify now a TData through a TDummy pointer and this violates the strict aliasing rules. -- Sebastian Huber, embedded brains GmbH Address : Obere Lagerstr. 30, D-82178 Puchheim, Germany Phone : +49 89 18 90 80 79-6 Fax : +49 89 18 90 80 79-9 E-Mail : sebastian.huber@xxxxxxxxxxxxxxxxxx PGP : Public key available on request. Diese Nachricht ist keine geschÃftliche Mitteilung im Sinne des EHUG.
