X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=coreutils%2Fwhoami.c;h=0dbcba9553ef1d16ca4a01247cc1a288ecc5c370;hb=5b492ee87614632e7bf5cd68fe0ce87dad30002a;hp=01dff81f919b8b41be7be720f1177e5ba303adcf;hpb=d537a95fdbc0b4a5f38edea8593b4c085fdd7fcb;p=oweals%2Fbusybox.git

diff --git a/coreutils/whoami.c b/coreutils/whoami.c
index 01dff81f9..0dbcba955 100644
--- a/coreutils/whoami.c
+++ b/coreutils/whoami.c
@@ -4,45 +4,23 @@
  *
  * Copyright (C) 2000  Edward Betts <edward@debian.org>.
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
-#include "internal.h"
-#include <stdio.h>
-#include <pwd.h>
+/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
 
-static const char whoami_usage[] = "whoami\n"
-#ifndef BB_FEATURE_TRIVIAL_HELP
-	"\nPrints the user name associated with the current effective user id.\n"
-#endif
-	;
+#include "libbb.h"
 
-extern int whoami_main(int argc, char **argv)
-{
-	char *user = xmalloc(9);
-	uid_t uid = geteuid();
+/* This is a NOFORK applet. Be very careful! */
 
+int whoami_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int whoami_main(int argc, char **argv UNUSED_PARAM)
+{
 	if (argc > 1)
-		usage(whoami_usage);
+		bb_show_usage();
+
+	/* Will complain and die if username not found */
+	puts(xuid2uname(geteuid()));
 
-	my_getpwuid(user, uid);
-	if (user) {
-		puts(user);
-		exit(TRUE);
-	}
-	errorMsg("cannot find username for UID %u\n", (unsigned) uid);
-	return(FALSE);
+	return fflush(stdout);
 }