diff options
-rw-r--r-- | crypto/openssh/buffer.c | 13 | ||||
-rw-r--r-- | crypto/openssh/channels.c | 5 |
2 files changed, 12 insertions, 6 deletions
diff --git a/crypto/openssh/buffer.c b/crypto/openssh/buffer.c index 8ff8c2f..9c9ca64 100644 --- a/crypto/openssh/buffer.c +++ b/crypto/openssh/buffer.c @@ -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); + } } /* diff --git a/crypto/openssh/channels.c b/crypto/openssh/channels.c index 1937b02..218744d 100644 --- a/crypto/openssh/channels.c +++ b/crypto/openssh/channels.c @@ -229,12 +229,13 @@ channel_new(char *ctype, int type, int rfd, int wfd, int efd, if (found == -1) { /* There are no free slots. Take last+1 slot and expand the array. */ found = channels_alloc; - channels_alloc += 10; if (channels_alloc > 10000) fatal("channel_new: internal error: channels_alloc %d " "too big.", channels_alloc); + channels = xrealloc(channels, + (channels_alloc + 10) * sizeof(Channel *)); + channels_alloc += 10; debug2("channel: expanding %d", channels_alloc); - channels = xrealloc(channels, channels_alloc * sizeof(Channel *)); for (i = found; i < channels_alloc; i++) channels[i] = NULL; } |