Louis Lagendijk llagendijk-guest at alioth.debian.org wrote:
Hi,
backend/pixma_bjnp.c pixma_bjnp_private.h
On Ubuntu getlogin() returns NULL. So we noew first try getlogin()
and if that fails, we try getenv(USER) and if that fails we use
a defaul user string
You want geteuid() + getpwuid()
Ok, I don't know too much about those functions, but this quick dirty
code seems to work well on Ubuntu (Hardy 8.04):
#include pwd.h
#include stdio.h
int main()
{
struct passwd *uid;
uid = getpwuid(geteuid());
printf(user=%s\n, uid-pw_name);
}
Prints my username correctly. Also prints
Nicolas Martin nicolas.martin at freesurf.fr wrote:
Hi,
struct passwd *uid;
uid = getpwuid(geteuid());
printf(user=%s\n, uid-pw_name);
Prints my username correctly. Also prints root if runned with sudo ;-)
Yep, use getuid() instead of geteuid() if you want to avoid that.
Also, you
Le samedi 6 d?cembre 2008, ? 18:10, Julien BLACHE a ?crit?:
Nicolas Martin nicolas.martin at freesurf.fr wrote:
Hi,
? struct passwd *uid;
? uid = getpwuid(geteuid());
? printf(user=%s\n, uid-pw_name);
Prints my username correctly. Also prints root if runned with sudo ;-)
Yep, use
Same on Ubuntu:
$ ./getlgn
method 1 getuid : user=nicolas
method 2 geteuid: user=nicolas
$ sudo ./getlgn
[sudo] password for nicolas:
method 1 getuid : user=root
method 2 geteuid: user=root
?
Le samedi 06 d?cembre 2008 ? 18:27 +0100, E. MARC a ?crit :
Le samedi 6 d?cembre 2008, ? 18:10,
do you want getruid() ?
allan
On Sat, Dec 6, 2008 at 12:39 PM, Nicolas Martin
nicolas.martin at freesurf.fr wrote:
Same on Ubuntu:
$ ./getlgn
method 1 getuid : user=nicolas
method 2 geteuid: user=nicolas
$ sudo ./getlgn
[sudo] password for nicolas:
method 1 getuid : user=root
method 2
Le samedi 6 d?cembre 2008, ? 18:39, Nicolas Martin a ?crit?:
Same on Ubuntu:
$ ./getlgn
method 1 getuid : user=nicolas
method 2 geteuid: user=nicolas
$ sudo ./getlgn
[sudo] password for nicolas:
method 1 getuid : user=root
method 2 geteuid: user=root
?
so it works fine with both
ok, changed this according to the excellent suggestion by Julien. I
simply do not know why I never thought of this before. It is so obvious.
Louis L
On Sat, 2008-12-06 at 17:31 +0100, Julien BLACHE wrote:
Louis Lagendijk llagendijk-guest at alioth.debian.org wrote:
Hi,
