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Diffstat (limited to 'i/pc104/initrd/conf/busybox/coreutils/who.c')
-rw-r--r--i/pc104/initrd/conf/busybox/coreutils/who.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/coreutils/who.c b/i/pc104/initrd/conf/busybox/coreutils/who.c
new file mode 100644
index 0000000..a5d3b02
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/coreutils/who.c
@@ -0,0 +1,76 @@
+/* vi: set sw=4 ts=4: */
+/*----------------------------------------------------------------------
+ * Mini who is used to display user name, login time,
+ * idle time and host name.
+ *
+ * Author: Da Chen <dchen@ayrnetworks.com>
+ *
+ * This is a free document; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation:
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Copyright (c) 2002 AYR Networks, Inc.
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ *
+ *----------------------------------------------------------------------
+ */
+
+#include "busybox.h"
+#include <utmp.h>
+#include <time.h>
+
+static void idle_string(char *str6, time_t t)
+{
+ t = time(NULL) - t;
+
+ /*if (t < 60) {
+ str6[0] = '.';
+ str6[1] = '\0';
+ return;
+ }*/
+ if (t >= 0 && t < (24 * 60 * 60)) {
+ sprintf(str6, "%02d:%02d",
+ (int) (t / (60 * 60)),
+ (int) ((t % (60 * 60)) / 60));
+ return;
+ }
+ strcpy(str6, "old");
+}
+
+int who_main(int argc, char **argv);
+int who_main(int argc, char **argv)
+{
+ char str6[6];
+ struct utmp *ut;
+ struct stat st;
+ char *name;
+
+ if (argc > 1) {
+ bb_show_usage();
+ }
+
+ setutent();
+ printf("USER TTY IDLE TIME HOST\n");
+ while ((ut = getutent()) != NULL) {
+ if (ut->ut_user[0] && ut->ut_type == USER_PROCESS) {
+ time_t thyme = ut->ut_tv.tv_sec;
+
+ /* ut->ut_line is device name of tty - "/dev/" */
+ name = concat_path_file("/dev", ut->ut_line);
+ str6[0] = '?';
+ str6[1] = '\0';
+ if (stat(name, &st) == 0)
+ idle_string(str6, st.st_atime);
+ printf("%-10s %-8s %-9s %-14.14s %s\n",
+ ut->ut_user, ut->ut_line, str6,
+ ctime(&thyme) + 4, ut->ut_host);
+ if (ENABLE_FEATURE_CLEAN_UP)
+ free(name);
+ }
+ }
+ if (ENABLE_FEATURE_CLEAN_UP)
+ endutent();
+ return 0;
+}