+/* vi: set sw=4 ts=4: */
/*
* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
*
#include "internal.h"
#include <stdio.h>
+#include <errno.h>
#include <utmp.h>
+#define BB_DECLARE_EXTERN
+#define bb_need_io_error
+#include "messages.c"
-const char dutmp_usage[] = "dutmp\n"
- "\n"
- "\tDump file or stdin utmp file format to stdout, pipe delimited.\n"
- "\tdutmp /var/run/utmp\n";
+static const char dutmp_usage[] = "dutmp [FILE]\n\n"
+ "Dump utmp file format (pipe delimited) from FILE\n"
+ "or stdin to stdout. (i.e. 'dutmp /var/run/utmp')\n";
-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) == '-')) {
- usage( dutmp_usage);
- }
-
- if ( **(++argv) == 0 ) {
- f = fopen (*(++argv), "r");
- if (f < 0 ) {
- perror (*argv);
- exit (FALSE);
- }
- }
-
- 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",
- ut.ut_type, ut.ut_pid, ut.ut_line,
- 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);
+ FILE *f;
+ struct utmp ut;
+
+ if (argc<2) {
+ f = stdin;
+ } else if (*argv[1] == '-' ) {
+ usage(dutmp_usage);
+ } else {
+ f = fopen(argv[1], "r");
+ if (f == NULL) {
+ fatalError(io_error, argv[1], strerror(errno));
+ }
+ }
+
+ while (fread(&ut, sizeof(struct utmp), 1, f)) {
+ 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_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);
}