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protect potential overflow for x86_64

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This commit is contained in:
"Vladimir N. Oleynik" 2006-01-31 09:35:45 +00:00
parent 4ccd2b4697
commit dd14ca082a
1 changed files with 3 additions and 2 deletions
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5
miscutils/last.c
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@ -47,6 +47,7 @@ extern int last_main(int argc, char **argv)
{ {
struct utmp ut; struct utmp ut;
int n, file = STDIN_FILENO; int n, file = STDIN_FILENO;
time_t t_tmp;
if (argc > 1) { if (argc > 1) {
bb_show_usage(); bb_show_usage();
@ -98,9 +99,9 @@ extern int last_main(int argc, char **argv)
break; break;
} }
} }
t_tmp = (time_t)ut.ut_tv.tv_sec;
printf("%-10s %-14s %-18s %-12.12s\n", ut.ut_user, ut.ut_line, ut.ut_host, printf("%-10s %-14s %-18s %-12.12s\n", ut.ut_user, ut.ut_line, ut.ut_host,
ctime((time_t *)&(ut.ut_tv.tv_sec)) + 4); ctime(&t_tmp) + 4);
} }
bb_fflush_stdout_and_exit(EXIT_SUCCESS); bb_fflush_stdout_and_exit(EXIT_SUCCESS);