- (djm) OpenBSD Sync

[openssh.git] / buffer.c

diff --git a/buffer.c b/buffer.c
index 8ff8c2f48b4f2e01b38523924fbfed860e319dfd..aee293f8bd4092bc2c0020bc4170faadb8dcb057 100644 (file)
--- a/buffer.c
+++ b/buffer.c
@@ -12,7 +12,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: buffer.c,v 1.17 2003/09/16 03:03:47 deraadt Exp $");
+RCSID("$OpenBSD: buffer.c,v 1.18 2003/09/16 21:02:39 markus Exp $");
 
 #include "xmalloc.h"
 #include "buffer.h"
@@ -23,8 +23,11 @@ RCSID("$OpenBSD: buffer.c,v 1.17 2003/09/16 03:03:47 deraadt Exp $");
 void
 buffer_init(Buffer *buffer)
 {
-       buffer->alloc = 4096;
-       buffer->buf = xmalloc(buffer->alloc);
+       const u_int len = 4096;
+
+       buffer->alloc = 0;
+       buffer->buf = xmalloc(len);
+       buffer->alloc = len;
        buffer->offset = 0;
        buffer->end = 0;
 }
@@ -34,8 +37,10 @@ buffer_init(Buffer *buffer)
 void
 buffer_free(Buffer *buffer)
 {
-       memset(buffer->buf, 0, buffer->alloc);
-       xfree(buffer->buf);
+       if (buffer->alloc > 0) {
+               memset(buffer->buf, 0, buffer->alloc);
+               xfree(buffer->buf);
+       }
 }
 
 /*