NXglyph.c: check for malloc error

"V575 The potential null pointer is passed into 'memcpy' function. Inspect the first argument."

NXglyph.c: check for malloc error
948bbe50 · Ulrich Sibiller · 7443fea6 · 948bbe50
Commit 948bbe50 authored Jan 04, 2021 by Ulrich Sibiller
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NXglyph.c nx-X11/programs/Xserver/hw/nxagent/NXglyph.c +7 -0

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--- a/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c
@@ -296,6 +296,13 @@ miGlyphs (CARD8		op,
        else
        {
          nxagentGlyphsExtents = (BoxPtr) malloc(sizeof(BoxRec));
+          if (!nxagentGlyphsExtents)
+          {
+            #ifdef WARNING
+            fprintf(stderr, "WARNING! Cannot allocate GlyphExtents\n");
+            #endif
+            return;
+          }

          GlyphExtents (nlist, list, glyphs, &extents);