X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/63284fbbb88cc0de8c33b78a2faa747f63783baa..HEAD:/compress.c

diff --git a/compress.c b/compress.c
index 3badbf45..c058d222 100644
--- a/compress.c
+++ b/compress.c
@@ -1,3 +1,4 @@
+/* $OpenBSD: compress.c,v 1.25 2006/08/06 01:13:32 stevesk Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -12,17 +13,22 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: compress.c,v 1.17 2001/12/29 21:56:01 stevesk Exp $");
+
+#include <sys/types.h>
+
+#include <stdarg.h>
+#include <zlib.h>
 
 #include "log.h"
 #include "buffer.h"
-#include "zlib.h"
 #include "compress.h"
 
-static z_stream incoming_stream;
-static z_stream outgoing_stream;
+z_stream incoming_stream;
+z_stream outgoing_stream;
 static int compress_init_send_called = 0;
 static int compress_init_recv_called = 0;
+static int inflate_failed = 0;
+static int deflate_failed = 0;
 
 /*
  * Initializes compression; level is compression level from 1 to 9
@@ -54,17 +60,19 @@ buffer_compress_init_recv(void)
 void
 buffer_compress_uninit(void)
 {
-	debug("compress outgoing: raw data %lu, compressed %lu, factor %.2f",
-	    outgoing_stream.total_in, outgoing_stream.total_out,
+	debug("compress outgoing: raw data %llu, compressed %llu, factor %.2f",
+	    (unsigned long long)outgoing_stream.total_in,
+	    (unsigned long long)outgoing_stream.total_out,
 	    outgoing_stream.total_in == 0 ? 0.0 :
 	    (double) outgoing_stream.total_out / outgoing_stream.total_in);
-	debug("compress incoming: raw data %lu, compressed %lu, factor %.2f",
-	    incoming_stream.total_out, incoming_stream.total_in,
+	debug("compress incoming: raw data %llu, compressed %llu, factor %.2f",
+	    (unsigned long long)incoming_stream.total_out,
+	    (unsigned long long)incoming_stream.total_in,
 	    incoming_stream.total_out == 0 ? 0.0 :
 	    (double) incoming_stream.total_in / incoming_stream.total_out);
-	if (compress_init_recv_called == 1)
+	if (compress_init_recv_called == 1 && inflate_failed == 0)
 		inflateEnd(&incoming_stream);
-	if (compress_init_send_called == 1)
+	if (compress_init_send_called == 1 && deflate_failed == 0)
 		deflateEnd(&outgoing_stream);
 }
 
@@ -106,6 +114,7 @@ buffer_compress(Buffer * input_buffer, Buffer * output_buffer)
 			    sizeof(buf) - outgoing_stream.avail_out);
 			break;
 		default:
+			deflate_failed = 1;
 			fatal("buffer_compress: deflate returned %d", status);
 			/* NOTREACHED */
 		}
@@ -149,6 +158,7 @@ buffer_uncompress(Buffer * input_buffer, Buffer * output_buffer)
 			 */
 			return;
 		default:
+			inflate_failed = 1;
 			fatal("buffer_uncompress: inflate returned %d", status);
 			/* NOTREACHED */
 		}