X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=b9e1df5d50fdd625774cf266aee4b736100e3d93;hb=546f375a5c8c0fa19d383c3d9822f795c6795e9d;hp=1a03a3f3ec5e77297e0e5709e4cc1408f2e69bf8;hpb=b8ccc2d03263c833777a7c055a372501b40bc7ce;p=xboard.git

diff --git a/backend.c b/backend.c
index 1a03a3f..b9e1df5 100644
--- a/backend.c
+++ b/backend.c
@@ -116,7 +116,7 @@ typedef struct {
 
 /* Search stats from chessprogram */
 typedef struct {
-  char movelist[MSG_SIZ]; /* Last PV we were sent */
+  char movelist[2*MSG_SIZ]; /* Last PV we were sent */
   int depth;              /* Current search depth */
   int nr_moves;           /* Total nr of root moves */
   int moves_left;         /* Moves remaining to be searched */
@@ -3907,7 +3907,7 @@ HandleMachineMove(message, cps)
      * Look for communication commands
      */
     if (!strncmp(message, "telluser ", 9)) {
-	DisplayInformation(message + 9);
+	DisplayNote(message + 9);
 	return;
     }
     if (!strncmp(message, "tellusererror ", 14)) {
@@ -3921,7 +3921,7 @@ HandleMachineMove(message, cps)
 	  SendToICS(buf1);
 	}
       } else {
-	DisplayInformation(message + 13);
+	DisplayNote(message + 13);
       }
       return;
     }
@@ -3941,7 +3941,7 @@ HandleMachineMove(message, cps)
 	  SendToICS(buf1);
 	}
       } else {
-	DisplayInformation(message + 8);
+	DisplayNote(message + 8);
       }
       return;
     }
@@ -4349,9 +4349,24 @@ HandleMachineMove(message, cps)
 		programStats.nodes = nodes;
 		programStats.time = time;
 		programStats.score = curscore;
-		strcpy(programStats.movelist, buf1);
 		programStats.got_only_move = 0;
 
+		/* Buffer overflow protection */
+		if (buf1[0] != NULLCHAR) {
+		    if (strlen(buf1) >= sizeof(programStats.movelist)
+			&& appData.debugMode) {
+			fprintf(debugFP,
+				"PV is too long; using the first %d bytes.\n",
+				sizeof(programStats.movelist) - 1);
+		    }
+		    strncpy(programStats.movelist, buf1,
+			    sizeof(programStats.movelist));
+		    programStats.movelist[sizeof(programStats.movelist) - 1]
+		      = NULLCHAR;
+		} else {
+		    sprintf(programStats.movelist, " no PV\n");
+		}
+
 		if (programStats.seen_stat) {
 		    programStats.ok_to_send = 1;
 		}
@@ -6792,7 +6807,7 @@ ReloadCmailMsgEvent(unregister)
     /* Load first game in the file or popup game menu */
     LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
 
-#endif // !WIN32
+#endif /* !WIN32 */
     return;
 }
 
@@ -6972,7 +6987,7 @@ MailMoveEvent()
     }
 
     return;
-#endif // !WIN32
+#endif /* !WIN32 */
 }
 
 char *
@@ -7050,7 +7065,7 @@ CmailMsg()
 	}
     }
     return cmailMsg;
-#endif // WIN32
+#endif /* WIN32 */
 }
 
 void