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Do not record expanded size before attempting to reallocate associated

Browse Source 
memory.

Obtained from:	OpenBSD
This commit is contained in:
Jacques Vidrine 2003-09-16 06:11:58 +00:00
parent af8524a91e
commit 8947bcb756
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/vendor-crypto/openssh/dist/; revision=120113
1 changed files with 8 additions and 5 deletions
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13
crypto/openssh/buffer.c
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@ -12,7 +12,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: buffer.c,v 1.16 2002/06/26 08:54:18 markus Exp $");
RCSID("$OpenBSD: buffer.c,v 1.17 2003/09/16 03:03:47 deraadt Exp $");
#include "xmalloc.h"
#include "buffer.h"
@ -69,6 +69,7 @@ buffer_append(Buffer *buffer, const void *data, u_int len)
void *
buffer_append_space(Buffer *buffer, u_int len)
{
u_int newlen;
void *p;
if (len > 0x100000)
@ -98,11 +99,13 @@ restart:
goto restart;
}
/* Increase the size of the buffer and retry. */
buffer->alloc += len + 32768;
if (buffer->alloc > 0xa00000)
newlen = buffer->alloc + len + 32768;
if (newlen > 0xa00000)
fatal("buffer_append_space: alloc %u not supported",
buffer->alloc);
buffer->buf = xrealloc(buffer->buf, buffer->alloc);
newlen);
buffer->buf = xrealloc(buffer->buf, newlen);
buffer->alloc = newlen;
goto restart;
/* NOTREACHED */
}