On 11 June 2010 17:19, pancake <panc...@youterm.com> wrote: > In GObject, exceptions, or errors are passed as reference in an > argument, so the return value can be used without restrictions: > > for example: > > unsigned int read(int fd, ref char *buf, unsigned int buf_len, GError > **err); > > (yeah, thats a silly example, but it allows you to make reads bigger than 31 > bits > without having to check for the return value) In other situations it is good > to handle errors in this way, but thinking on some restrictions allows > you to mix error values and data in the same pipe.
One nice thing about Plan 9 is its "exits(char *msg)" function, which lets you return a string at termination, which sort of serves the same purpose, except for programs rather than functions... cls
