Mesa (master): mesa: Add asserts to check inputs to memcpy.

[Vinson Lee]

Module: Mesa
Branch: master
Commit: 75dba756b2e3d6850b56376d7c183dc3277a563b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=75dba756b2e3d6850b56376d7c183dc3277a563b

Author: Vinson Lee <vlee at vmware.com>
Date:   Sat Feb 27 20:11:31 2010 -0800

mesa: Add asserts to check inputs to memcpy.

---

 src/mesa/main/mipmap.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c
index 89b8c5a..21ee317 100644
--- a/src/mesa/main/mipmap.c
+++ b/src/mesa/main/mipmap.c
@@ -979,6 +979,7 @@ make_1d_mipmap(GLenum datatype, GLuint comps, GLint border,
 
    if (border) {
       /* copy left-most pixel from source */
+      assert(dstPtr);
       assert(srcPtr);
       memcpy(dstPtr, srcPtr, bpt);
       /* copy right-most pixel from source */
@@ -1026,6 +1027,8 @@ make_2d_mipmap(GLenum datatype, GLuint comps, GLint border,
    if (border > 0) {
       /* fill in dest border */
       /* lower-left border pixel */
+      assert(dstPtr);
+      assert(srcPtr);
       memcpy(dstPtr, srcPtr, bpt);
       /* lower-right border pixel */
       memcpy(dstPtr + (dstWidth - 1) * bpt,