dc: fix "dc does_not_exist" SEGVing

[oweals/busybox.git] / miscutils / crontab.c

diff --git a/miscutils/crontab.c b/miscutils/crontab.c
index bcd2eab33b76ae81f1d76634ea4213946cf38587..4787fa08f5dee66b84fac6e2eece54e3ed5cfac2 100644 (file)
--- a/miscutils/crontab.c
+++ b/miscutils/crontab.c
@@ -10,13 +10,18 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 //config:config CRONTAB
-//config:      bool "crontab"
+//config:      bool "crontab (9.7 kb)"
 //config:      default y
 //config:      help
-//config:        Crontab manipulates the crontab for a particular user. Only
-//config:        the superuser may specify a different user and/or crontab directory.
-//config:        Note that Busybox binary must be setuid root for this applet to
-//config:        work properly.
+//config:      Crontab manipulates the crontab for a particular user. Only
+//config:      the superuser may specify a different user and/or crontab directory.
+//config:      Note that busybox binary must be setuid root for this applet to
+//config:      work properly.
+
+/* Needs to be run by root or be suid root - needs to change /var/spool/cron* files: */
+//applet:IF_CRONTAB(APPLET(crontab, BB_DIR_USR_BIN, BB_SUID_REQUIRE))
+
+//kbuild:lib-$(CONFIG_CRONTAB) += crontab.o
 
 //usage:#define crontab_trivial_usage
 //usage:       "[-c DIR] [-u USER] [-ler]|[FILE]"
@@ -94,8 +99,9 @@ int crontab_main(int argc UNUSED_PARAM, char **argv)
                OPT_ler = OPT_l + OPT_e + OPT_r,
        };
 
-       opt_complementary = "?1:dr"; /* max one argument; -d implies -r */
-       opt_ler = getopt32(argv, "u:c:lerd", &user_name, &crontab_dir);
+       opt_ler = getopt32(argv, "^" "u:c:lerd" "\0" "?1:dr"/*max one arg; -d implies -r*/,
+                               &user_name, &crontab_dir
+       );
        argv += optind;
 
        if (sanitize_env_if_suid()) { /* Clears dangerous stuff, sets PATH */