aboutsummaryrefslogtreecommitdiff
path: root/coreutils/logname.c
diff options
context:
space:
mode:
authorGravatar Erik Andersen <andersen@codepoet.org>2000-05-01 19:49:20 +0000
committerGravatar Erik Andersen <andersen@codepoet.org>2000-05-01 19:49:20 +0000
commit9b7d96458175a852f71700922ca2950577b95f27 (patch)
tree623a992e90290849c3a260e2a18983504f6ed47e /coreutils/logname.c
parentf378fced43edd9c4ae4a31117b74f467dcd75f01 (diff)
downloadbusybox-9b7d96458175a852f71700922ca2950577b95f27.tar.gz
busybox-9b7d96458175a852f71700922ca2950577b95f27.tar.bz2
My little adventure of analyzing lib usage has already rooted out
a big "P" Policy violator -- logname was using getlogin(3), which uses utmp under the hood. We don't need no stinkin' utmp (and if we are using tinylogin, it is unlikely to be useful trying). -Erik
Diffstat (limited to 'coreutils/logname.c')
-rw-r--r--coreutils/logname.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/coreutils/logname.c b/coreutils/logname.c
index 182f40ed2..bde1752ba 100644
--- a/coreutils/logname.c
+++ b/coreutils/logname.c
@@ -29,16 +29,16 @@ static const char logname_usage[] = "logname\n\n"
extern int logname_main(int argc, char **argv)
{
- char *cp;
+ char *user = xmalloc(9);
if (argc > 1)
usage(logname_usage);
- cp = getlogin();
- if (cp) {
- puts(cp);
+ my_getpwuid(user, geteuid());
+ if (user) {
+ puts(user);
exit(TRUE);
}
- fprintf(stderr, "%s: no login name\n", argv[0]);
+ fprintf(stderr, "no login name\n");
exit(FALSE);
}