$NetBSD: patch-pnsearch_c,v 1.1 2011/05/28 22:41:43 dholland Exp $

- needs unistd.h
- use matching types with printf and scanf
- don't use gets
- fix bug caught by gcc -Wuninitialized

--- pnsearch.c.orig	1997-07-27 21:44:30.000000000 +0000
+++ pnsearch.c
@@ -16,8 +16,8 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
-#include <malloc.h>
 #include <time.h>
+#include <unistd.h>
 
 #include "connect4.h"
 #include "con4vals.h"
@@ -112,7 +112,7 @@ void show_pinfo()
 
     if(parameters.pr>0 && parameters.ds>0)
         {
-        sprintf(st," Nodes: %5ld/%-5ld   P=%-3d   D=%-3d   Time: %2d:%02d:%02d   SEQ=%s   %s",
+        sprintf(st," Nodes: %5ld/%-5ld   P=%-3ld   D=%-3ld   Time: %2d:%02d:%02d   SEQ=%s   %s",
                 parameters.nodes,parameters.maxnodes,parameters.pr,parameters.ds,hh,mm,ss,
                 seqs,adv[a]);
         }
@@ -157,7 +157,7 @@ void change_max_nodes_numb(void)
 
 void change_sequence()
 	{
-	short seq[BOARDX],done[BOARDX],x,valid=YES;
+	int seq[BOARDX],done[BOARDX],x,valid=YES;
 
 	for(x=0;x<BOARDX;x++)
 		done[x]=NO;
@@ -789,7 +789,7 @@ short start_pn_search(struct board *boar
 
     printf("\n\nConnect Four Search Engine %s. ",SEARCH_ENGINE_VERSION);
     printf("Last revision %s\n",__DATE__);
-    printf("Now building nodes... (each node takes %d bytes of memory)\n",
+    printf("Now building nodes... (each node takes %zu bytes of memory)\n",
 			 sizeof(struct node));
 
     printf("Max nodes numb = %ld  (%ld bytes) ",
@@ -994,12 +994,13 @@ void build_associated_file()
     {
     FILE *h1,*h2;
     char filein[255],seq[50];
-    short seqlen,state=0,byte;
+    short seqlen=0,state=0,byte;
     short seqnumb=1,seqthreshold=0;
     unsigned short key;
 
     printf("Input file to parse : ");
-    gets(filein);
+    if (fgets(filein, sizeof(filein), stdin) == NULL)
+        exit(0);
 
     printf("Start from sequence #1 ? (Y/N)\n");
     do
@@ -1011,7 +1012,7 @@ void build_associated_file()
     if(key=='n')
         {
         printf("\nEnter sequence number to start from : ");
-        scanf("%d",&seqthreshold);
+        scanf("%hu",&seqthreshold);
         }
 
     h1=fopen(filein,"rb");