2 files changed, 11 insertions, 0 deletions
diff --git a/FICS/playerdb.c b/FICS/playerdb.c
index d2c27ec..0bcbcaa 100644
--- a/FICS/playerdb.c
+++ b/FICS/playerdb.c
@@ -63,6 +63,13 @@
 PUBLIC player	 parray[PARRAY_SIZE];
 PUBLIC int	 p_num = 0;
 
+PUBLIC bool
+player_num_ok_chk(const int num)
+{
+	return (num >= 0 && num <= p_num &&
+	    num < (int)ARRAY_SIZE(parray));
+}
+
 PRIVATE int
 get_empty_slot(void)
 {
diff --git a/FICS/playerdb.h b/FICS/playerdb.h
index de2fe5d..dc5d6cc 100644
--- a/FICS/playerdb.h
+++ b/FICS/playerdb.h
@@ -29,6 +29,8 @@
 #ifndef _PLAYERDB_H
 #define _PLAYERDB_H
 
+#include <stdbool.h>
+
 #define PLAYER_VERSION 1
 
 #define MAX_ALIASES	30
@@ -201,6 +203,8 @@ typedef struct _textlist {
 extern player	 parray[PARRAY_SIZE];
 extern int	 p_num;
 
+extern bool	 player_num_ok_chk(const int);
+
 extern int	 ClearMsgsBySender(int, param_list);
 extern int	 ClrMsgRange(int, int, int);
 extern int	 ShowMsgRange(int, int, int);