compile time user name

[Brian Dessent]

Mohanlal Jangir wrote:

> Does any gcc attribute exist to get user name at compile time? For example
> 
> int main( )
> {
>     printf("*** version info ***\n");
>     printf("DATE = %s\n", __DATE__);
>     printf("TIME = %s\n", __TIME__);
>     printf("USER = %s\n", ??????);
>     return 0;
> }
> 
> Any way to get USER info ??

Not that I'm aware of, but you can certainly achieve this with the
preprocessor:

gcc foo.c -D__USER__=\"$(id -un)\"

Brian