Add safe_wait to toggle search and wait prevention

include/extern.h

@@ -424,6 +424,7 @@ E void FDECL(schedule_goto, (d_level *, BOOLEAN_P, BOOLEAN_P, int,
 E void NDECL(deferred_goto);
 E boolean FDECL(revive_corpse, (struct obj *));
 E void FDECL(revive_mon, (ANY_P *, long));
+E boolean FDECL(cmd_safety_prevention, (char *, char *, int *));
 E int NDECL(donull);
 E int NDECL(dowipe);
 E void FDECL(legs_in_no_shape, (const char *, BOOLEAN_P));

include/flag.h

@@ -52,6 +52,7 @@ struct flag {
                               * clairvoyance */
     boolean rest_on_space;   /* space means rest */
     boolean safe_dog;        /* give complete protection to the dog */
+    boolean safe_wait;       /* prevent wait or search next to hostile */
     boolean showexp;         /* show experience points */
     boolean showscore;       /* show score */
     boolean silent;          /* whether the bell rings or not */

include/optlist.h

@@ -379,6 +379,8 @@ pfx_##a,
                 NoAlias, "display frequency when `running' or `travelling'")
     NHOPTB(safe_pet, 0, opt_out, set_in_game, On, Yes, No, No, NoAlias,
                 &flags.safe_dog)
+    NHOPTB(safe_wait, 0, opt_out, set_in_game, On, Yes, No, No, NoAlias,
+                &flags.safe_wait)
     NHOPTB(sanity_check, 0, opt_in, set_wizonly, Off, Yes, No, No, NoAlias,
                 &iflags.sanity_check)
     NHOPTC(scores, 32, opt_in, set_in_game, No, Yes, No, No, NoAlias,