From f59be39cc5c82b05e2bf836eefa2cd7974d4e6a5 Mon Sep 17 00:00:00 2001
From: Markus Uhlin <markus@nifty-networks.net>
Date: Thu, 28 Dec 2023 23:32:09 +0100
Subject: Switched to usage of arc4random

---
 FICS/adminproc.c      |  2 +-
 FICS/board.c          | 15 +++++++--------
 FICS/fics_addplayer.c |  2 +-
 3 files changed, 9 insertions(+), 10 deletions(-)

(limited to 'FICS')

diff --git a/FICS/adminproc.c b/FICS/adminproc.c
index 6f10d94..0b47134 100644
--- a/FICS/adminproc.c
+++ b/FICS/adminproc.c
@@ -978,7 +978,7 @@ com_addplayer(int p, param_list param)
 
 	if (strcmp(newemail, "none")) {
 		for (i = 0; i < PASSLEN; i++)
-			password[i] = ('a' + rand() % 26);
+			password[i] = ('a' + arc4random_uniform(26));
 		password[i] = '\0';
 
 		strcpy(salt, fics_getsalt());
diff --git a/FICS/board.c b/FICS/board.c
index 56c2fa2..d404527 100644
--- a/FICS/board.c
+++ b/FICS/board.c
@@ -1147,9 +1147,9 @@ place_piece(board_t b, int piece, int squareColor)
 
 	while (!placed) {
 		if (squareColor == ANY_SQUARE) {
-			f = (rand() % 8);
+			f = arc4random_uniform(8);
 		} else {
-			f = (rand() % 4) * 2;
+			f = arc4random_uniform(4) * 2;
 
 			if (SquareColor(f, r) != squareColor)
 				f++;
@@ -1180,14 +1180,14 @@ wild_update(int style)
 
 	switch (style) {
 	case 1:
-		if (rand() & 0x01) {
+		if (arc4random() & 0x01) {
 			b[4][0] = W_KING;
 			b[3][0] = W_QUEEN;
 		} else {
 			b[3][0] = W_KING;
 			b[4][0] = W_QUEEN;
 		}
-		if (rand() & 0x01) {
+		if (arc4random() & 0x01) {
 			b[4][7] = B_KING;
 			b[3][7] = B_QUEEN;
 		} else {
@@ -1233,9 +1233,8 @@ wild_update(int style)
 		place_piece(b, W_KING, ANY_SQUARE);
 
 		for (i = 0; i < 8; i++) {
-			if (b[i][0] != W_KING) {
-				b[i][0] = (rand() % 4) + 2;
-			}
+			if (b[i][0] != W_KING)
+				b[i][0] = arc4random_uniform(4) + 2;
 		}
 
 		/* Black mirrors White */
@@ -1251,7 +1250,7 @@ wild_update(int style)
 
 		for (i = 0; i < 8; i++) {
 			if (b[i][0] != W_KING)
-				b[i][0] = (rand() % 4) + 2;
+				b[i][0] = arc4random_uniform(4) + 2;
 		}
 
 		/*
diff --git a/FICS/fics_addplayer.c b/FICS/fics_addplayer.c
index 2c9518d..8f01604 100644
--- a/FICS/fics_addplayer.c
+++ b/FICS/fics_addplayer.c
@@ -113,7 +113,7 @@ main(int argc, char *argv[])
 	parray[p].emailAddress = xstrdup(email);
 
 	for (i = 0; i < PASSLEN; i++)
-		password[i] = ('a' + rand() % 26);
+		password[i] = ('a' + arc4random_uniform(26));
 	password[i] = '\0';
 
 	strcpy(salt, fics_getsalt());
-- 
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