Mesa (master): r600g/sb: fix buffer overflow in sb_ostream

[Vadim Girlin]

Module: Mesa
Branch: master
Commit: d1e0dc62752d3dd0ed7909cda6a4380e2ab8695b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d1e0dc62752d3dd0ed7909cda6a4380e2ab8695b

Author: Vadim Girlin <vadimgirlin at gmail.com>
Date:   Fri May 24 16:24:09 2013 +0400

r600g/sb: fix buffer overflow in sb_ostream

Fixes segfault during bytecode dump with bfgminer kernel

Signed-off-by: Vadim Girlin <vadimgirlin at gmail.com>

---

 src/gallium/drivers/r600/sb/sb_bc.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/gallium/drivers/r600/sb/sb_bc.h b/src/gallium/drivers/r600/sb/sb_bc.h
index 8b93263..6e73b41 100644
--- a/src/gallium/drivers/r600/sb/sb_bc.h
+++ b/src/gallium/drivers/r600/sb/sb_bc.h
@@ -92,7 +92,7 @@ public:
 
 	sb_ostream& operator <<(double d) {
 		char b[32];
-		sprintf(b, "%f", d);
+		snprintf(b, 32, "%g", d);
 		return *this << b;
 	}