From 8695f5d8c99952a89f59b314c58a5e0bbd8a6e6e Mon Sep 17 00:00:00 2001
From: Miguel Freitas <miguelfreitas@users.sourceforge.net>
Date: Fri, 31 Jan 2003 14:06:03 +0000
Subject: - MAX_PREVIEW_SIZE = 4096 - new fb driver with zero copy

CVS patchset: 4058
CVS date: 2003/01/31 14:06:03
---
 src/input/pnm.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'src/input/pnm.c')

diff --git a/src/input/pnm.c b/src/input/pnm.c
index eb1a1c47a..d0a9b0c9e 100644
--- a/src/input/pnm.c
+++ b/src/input/pnm.c
@@ -17,7 +17,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
  *
- * $Id: pnm.c,v 1.10 2003/01/22 16:33:24 holstsn Exp $
+ * $Id: pnm.c,v 1.11 2003/01/31 14:06:17 miguelfreitas Exp $
  *
  * pnm protocol implementation 
  * based upon code from joschka
@@ -930,10 +930,14 @@ int pnm_read (pnm_t *this, char *data, int len) {
   return len;
 }
 
-int pnm_peek_header (pnm_t *this, char *data) {
+int pnm_peek_header (pnm_t *this, char *data, int maxsize) {
 
-  memcpy (data, this->header, this->header_len);
-  return this->header_len;
+  int len;
+
+  len = (this->header_len < maxsize) ? this->header_len : maxsize;
+
+  memcpy(data, this->header, len);
+  return len;
 }
 
 void pnm_close(pnm_t *p) {
-- 
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