+/* vi: set sw=4 ts=4: */
/*
* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
*
* versions of 'who', 'last', etc. IP Addr is output in hex,
* little endian on x86.
*
- * made against libc6
+ * Modified to support all sorts of libcs by
+ * Erik Andersen <andersen@lineo.com>
*/
-#include "internal.h"
-#include <stdio.h>
-#include <utmp.h>
+#include <sys/types.h>
+#include <fcntl.h>
-const char dutmp_usage[] = "dutmp\n"
- "\n"
- "\tDump file or stdin utmp file format to stdout, pipe delimited.\n"
- "\tdutmp /var/run/utmp\n";
+#include <errno.h>
+#include <utmp.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "busybox.h"
+#define BB_DECLARE_EXTERN
+#define bb_need_io_error
+#include "messages.c"
-extern int dutmp_fn (int argc, char **argv)
+extern int dutmp_main(int argc, char **argv)
{
- FILE *f = stdin;
- struct utmp ut;
-
- if ((argc < 2) || (**(argv + 1) == '-')) {
- fprintf (stderr, "Usage: %s %s\n", *argv, dutmp_usage);
- exit (FALSE);
- }
+ int file;
+ struct utmp ut;
- if ( **(++argv) == 0 ) {
- f = fopen (*(++argv), "r");
- if (f < 0 ) {
- perror (*argv);
- exit (FALSE);
- }
- }
+ if (argc<2) {
+ file = fileno(stdin);
+ } else if (*argv[1] == '-' ) {
+ show_usage();
+ } else {
+ file = open(argv[1], O_RDONLY);
+ if (file < 0) {
+ perror_msg_and_die(io_error, argv[1]);
+ }
+ }
- while (fread (&ut, 1, sizeof (struct utmp), f)) {
- // printf("%d:%d:%s:%s:%s:%s:%d:%d:%ld:%ld:%ld:%x\n",
- printf ("%d|%d|%s|%s|%s|%s|%d|%d|%ld|%ld|%ld|%x\n",
+/* Kludge around the fact that the binary format for utmp has changed, and the
+ * fact the stupid libc doesn't have a reliable #define to announce that libc5
+ * is being used. sigh.
+ */
+#if ! defined __GLIBC__ || defined __UCLIBC__
+ while (read(file, (void*)&ut, sizeof(struct utmp))) {
+ printf("%d|%d|%s|%s|%s|%s|%s|%lx\n",
+ ut.ut_type, ut.ut_pid, ut.ut_line,
+ ut.ut_id, ut.ut_user, ut.ut_host,
+ ctime(&(ut.ut_time)),
+ (long)ut.ut_addr);
+ }
+#else
+ while (read(file, (void*)&ut, sizeof(struct utmp))) {
+ printf("%d|%d|%s|%s|%s|%s|%d|%d|%ld|%ld|%ld|%x\n",
ut.ut_type, ut.ut_pid, ut.ut_line,
- ut.ut_id, ut.ut_user, ut.ut_host,
+ ut.ut_id, ut.ut_user, ut.ut_host,
ut.ut_exit.e_termination, ut.ut_exit.e_exit,
ut.ut_session,
- ut.ut_tv.tv_sec, ut.ut_tv.tv_usec, ut.ut_addr);
- }
-
- exit (TRUE);
+ ut.ut_tv.tv_sec, ut.ut_tv.tv_usec,
+ ut.ut_addr);
+ }
+#endif
+ return EXIT_SUCCESS;
}