Re: [RFC] Cleaning up die() error messages
- From
Daniel Barkalow <barkalow@iabervon.org>
- Date
- Oct 10, 2005, 20:14 UTC
- Message-ID
- <Pine.LNX.4.63.0510101603520.23242@iabervon.org>
- In-Reply-To
- <20051010105008.GB30202@gentoo.org>
On Mon, 10 Oct 2005, Elfyn McBratney wrote:
Show 20 quoted lines
> [C sources]
> static char *prog;
> ..
> static inline void set_prog_name (char *argv0)
> {
> prog = strrchr(argv0, '/');
> if (prog)
> prog++;
> else
> prog = argv0;
> }
> ..
> int main (int argc, char **argv)
> {
> set_prog_name(argv[0]);
> ..
> if (!do_bar())
> die("%s: do_bar() failed", prog);
> ..
> }Just put set_prog_name() next to die(), and have die() write "prog: " at the beginning if set_prog_name() got called. Assuming it's useful at all to show the name of the program, it's not going to be less useful if the error is actually found in a library function called by the program.
-Daniel *This .sig left intentionally blank*