diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/halt.c | 64 |
1 files changed, 35 insertions, 29 deletions
diff --git a/init/halt.c b/init/halt.c index 42b9edc08..cbb325eb9 100644 --- a/init/halt.c +++ b/init/halt.c @@ -13,60 +13,66 @@ #if ENABLE_FEATURE_WTMP #include <sys/utsname.h> #include <utmp.h> + +static void write_wtmp(void) +{ + struct utmp utmp; + struct utsname uts; + if (access(bb_path_wtmp_file, R_OK|W_OK) == -1) { + close(creat(bb_path_wtmp_file, 0664)); + } + memset(&utmp, 0, sizeof(utmp)); + utmp.ut_tv.tv_sec = time(NULL); + safe_strncpy(utmp.ut_user, "shutdown", UT_NAMESIZE); + utmp.ut_type = RUN_LVL; + safe_strncpy(utmp.ut_id, "~~", sizeof(utmp.ut_id)); + safe_strncpy(utmp.ut_line, "~~", UT_LINESIZE); + if (uname(&uts) == 0) + safe_strncpy(utmp.ut_host, uts.release, sizeof(utmp.ut_host)); + updwtmp(bb_path_wtmp_file, &utmp); + +} +#else +#define write_wtmp() ((void)0) +#endif + +#ifndef RB_HALT_SYSTEM +#define RB_HALT_SYSTEM RB_HALT +#endif + +#ifndef RB_POWER_OFF +#define RB_POWER_OFF RB_POWERDOWN #endif int halt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int halt_main(int argc UNUSED_PARAM, char **argv) { static const int magic[] = { -#ifdef RB_HALT_SYSTEM RB_HALT_SYSTEM, -#elif defined RB_HALT - RB_HALT, -#endif -#ifdef RB_POWER_OFF RB_POWER_OFF, -#elif defined RB_POWERDOWN - RB_POWERDOWN, -#endif - RB_AUTOBOOT + RB_AUTOBOOT }; static const smallint signals[] = { SIGUSR1, SIGUSR2, SIGTERM }; int delay = 0; int which, flags, rc; -#if ENABLE_FEATURE_WTMP - struct utmp utmp; - struct utsname uts; -#endif /* Figure out which applet we're running */ - for (which = 0; "hpr"[which] != *applet_name; which++) + for (which = 0; "hpr"[which] != applet_name[0]; which++) continue; /* Parse and handle arguments */ opt_complementary = "d+"; /* -d N */ - flags = getopt32(argv, "d:nf" USE_FEATURE_WTMP("w"), &delay); + /* We support -w even if !ENABLE_FEATURE_WTMP, in order + * to not break scripts */ + flags = getopt32(argv, "d:nfw", &delay); sleep(delay); -#if ENABLE_FEATURE_WTMP - if (access(bb_path_wtmp_file, R_OK|W_OK) == -1) { - close(creat(bb_path_wtmp_file, 0664)); - } - memset(&utmp, 0, sizeof(utmp)); - utmp.ut_tv.tv_sec = time(NULL); - safe_strncpy(utmp.ut_user, "shutdown", UT_NAMESIZE); - utmp.ut_type = RUN_LVL; - safe_strncpy(utmp.ut_id, "~~", sizeof(utmp.ut_id)); - safe_strncpy(utmp.ut_line, "~~", UT_LINESIZE); - if (uname(&uts) == 0) - safe_strncpy(utmp.ut_host, uts.release, sizeof(utmp.ut_host)); - updwtmp(bb_path_wtmp_file, &utmp); + write_wtmp(); if (flags & 8) /* -w */ return EXIT_SUCCESS; -#endif /* !ENABLE_FEATURE_WTMP */ if (!(flags & 2)) /* no -n */ sync(); |