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-rw-r--r--src/glut/glx/glut_cmap.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/glut/glx/glut_cmap.c b/src/glut/glx/glut_cmap.c
index e8d9e1f01b..e6cb742cfe 100644
--- a/src/glut/glx/glut_cmap.c
+++ b/src/glut/glx/glut_cmap.c
@@ -348,7 +348,7 @@ __glutEstablishColormapsProperty(GLUTwindow * window)
Window *winlist;
Colormap *cmaplist;
Status status;
- int maxcmaps, num;
+ int maxcmaps, num, i;
assert(!window->parent);
maxcmaps = MaxCmapsOfScreen(ScreenOfDisplay(__glutDisplay,
@@ -357,6 +357,9 @@ __glutEstablishColormapsProperty(GLUTwindow * window)
and cmaplist, but we could. */
winlist = (Window *) malloc(maxcmaps * sizeof(Window));
cmaplist = (Colormap *) malloc(maxcmaps * sizeof(Colormap));
+ for (i = 0; i < maxcmaps; i++) {
+ cmaplist[i] = 0;
+ }
num = findColormaps(window, winlist, cmaplist, 0, maxcmaps);
if (num < 2) {
/* Property no longer needed; remove it. */