May because the same header can be included by a C++ application. -Jinu On Mon, 21 Mar 2005 13:08:35 +0300, John Que <qwejohn@xxxxxxxxxxx> wrote: > Hello, > > As far as I know, the linux kernel cannot be compiled as a C++ source; > I remember that I saw some explanations on why it cannot be treated as a > C++ code in more than one place. (I don'r rememer the exact reasons; maybe > one > of the. > for example. was that there is a variable called new?) > > However,I saw some places where you'll find #if defined(__cplusplus). > > For example, in include/linux/stddef.h , you have > > #if defined(__cplusplus) > #define NULL 0 > #else > #define NULL ((void *)0) > #endif > > I wonder: > Why is this #ifdef exist at all if we know for sure that you can't compile > the kernel as a C++ source code? > > Regards, > John > > _________________________________________________________________ > Express yourself instantly with MSN Messenger! Download today it's FREE! > http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/ > > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
