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authorChia-I Wu <olvaffe@gmail.com>2009-08-19 13:00:25 +0800
committerBrian Paul <brianp@vmware.com>2009-08-21 08:34:34 -0600
commit408db29792a2d57409f2604974e4398a3545a38f (patch)
treed15a071c83e216b8d799f99912c307936f20f1cd /src/egl
parent9b3e5df900db465319ed4b5d4c4721e1986fb5a3 (diff)
egl: Check for null display in handle checking.
The display may be NULL when checking a handle. Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Diffstat (limited to 'src/egl')
-rw-r--r--src/egl/main/egldisplay.c10
-rw-r--r--src/egl/main/egldisplay.h9
2 files changed, 12 insertions, 7 deletions
diff --git a/src/egl/main/egldisplay.c b/src/egl/main/egldisplay.c
index 30a49a25ae..9b4227f545 100644
--- a/src/egl/main/egldisplay.c
+++ b/src/egl/main/egldisplay.c
@@ -305,9 +305,10 @@ _eglCheckDisplayHandle(EGLDisplay dpy)
EGLBoolean
_eglCheckContextHandle(EGLContext ctx, _EGLDisplay *dpy)
{
- _EGLContext *cur;
+ _EGLContext *cur = NULL;
- cur = dpy->ContextList;
+ if (dpy)
+ cur = dpy->ContextList;
while (cur) {
if (cur == (_EGLContext *) ctx) {
assert(cur->Display == dpy);
@@ -325,9 +326,10 @@ _eglCheckContextHandle(EGLContext ctx, _EGLDisplay *dpy)
EGLBoolean
_eglCheckSurfaceHandle(EGLSurface surf, _EGLDisplay *dpy)
{
- _EGLSurface *cur;
+ _EGLSurface *cur = NULL;
- cur = dpy->SurfaceList;
+ if (dpy)
+ cur = dpy->SurfaceList;
while (cur) {
if (cur == (_EGLSurface *) surf) {
assert(cur->Display == dpy);
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index 6394c9cedb..20651e51ff 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -125,14 +125,17 @@ _eglCheckSurfaceHandle(EGLSurface surf, _EGLDisplay *dpy);
/* Only do a quick check. This is NOT standard compliant. */
static INLINE EGLBoolean
-_eglCheckDisplayHandle(EGLDisplay dpy) { return EGL_TRUE; }
+_eglCheckDisplayHandle(EGLDisplay dpy)
+{
+ return ((_EGLDisplay *) dpy != NULL);
+}
static INLINE EGLBoolean
_eglCheckContextHandle(EGLContext ctx, _EGLDisplay *dpy)
{
_EGLContext *c = (_EGLContext *) ctx;
- return (c && c->Display == dpy);
+ return (dpy && c && c->Display == dpy);
}
@@ -140,7 +143,7 @@ static INLINE EGLBoolean
_eglCheckSurfaceHandle(EGLSurface surf, _EGLDisplay *dpy)
{
_EGLSurface *s = (_EGLSurface *) surf;
- return (s && s->Display == dpy);
+ return (dpy && s && s->Display == dpy);
}