X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=miscutils%2Fdutmp.c;h=19e09fbb0a178dbb5c79988b2449a828acf54a58;hb=83bcba26c01d945d1964d6d5de715a2356a858cf;hp=f264fd75bfbd8c01808b5d215a655704acbca3f5;hpb=499f65fb98a8258f8704b52efb3a99da0c82f785;p=oweals%2Fbusybox.git diff --git a/miscutils/dutmp.c b/miscutils/dutmp.c index f264fd75b..19e09fbb0 100644 --- a/miscutils/dutmp.c +++ b/miscutils/dutmp.c @@ -8,28 +8,18 @@ * versions of 'who', 'last', etc. IP Addr is output in hex, * little endian on x86. * - * Modified to support all sort of libcs by + * Modified to support all sorts of libcs by * Erik Andersen */ -#include "internal.h" #include -#include #include - #include -#define BB_DECLARE_EXTERN -#define bb_need_io_error -#include "messages.c" #include - - -static const char dutmp_usage[] = "dutmp [FILE]\n" -#ifndef BB_FEATURE_TRIVIAL_HELP - "\nDump utmp file format (pipe delimited) from FILE\n" - "or stdin to stdout. (i.e. 'dutmp /var/run/utmp')\n" -#endif - ; +#include +#include +#include +#include "busybox.h" extern int dutmp_main(int argc, char **argv) { @@ -40,14 +30,17 @@ extern int dutmp_main(int argc, char **argv) if (argc<2) { file = fileno(stdin); } else if (*argv[1] == '-' ) { - usage(dutmp_usage); + show_usage(); } else { file = open(argv[1], O_RDONLY); if (file < 0) { - fatalError(io_error, argv[1], strerror(errno)); + error_msg_and_die(io_error, argv[1]); } } +/* Kludge around the fact that the binary format for utmp has changed. */ +#if __GNU_LIBRARY__ < 5 + /* Linux libc5 */ 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, @@ -55,6 +48,17 @@ extern int dutmp_main(int argc, char **argv) ctime(&(ut.ut_time)), (long)ut.ut_addr); } - - exit(TRUE); +#else + /* Glibc, uClibc, etc. */ + 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_exit.e_termination, ut.ut_exit.e_exit, + ut.ut_session, + ut.ut_tv.tv_sec, ut.ut_tv.tv_usec, + ut.ut_addr); + } +#endif + return EXIT_SUCCESS; }