From c4e7705d299fcfc058baaa0867e1a1e29d626c6f Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:58:55 +0200 Subject: Imported nxagent-3.2.0-7.tar.gz Summary: Imported nxagent-3.2.0-7.tar.gz Keywords: Imported nxagent-3.2.0-7.tar.gz into Git repository --- nx-X11/programs/Xserver/hw/nxagent/X/NXglyph.c.X.original | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'nx-X11/programs/Xserver/hw/nxagent/X/NXglyph.c.X.original') diff --git a/nx-X11/programs/Xserver/hw/nxagent/X/NXglyph.c.X.original b/nx-X11/programs/Xserver/hw/nxagent/X/NXglyph.c.X.original index 45c5dd975..9f4d1c87b 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/X/NXglyph.c.X.original +++ b/nx-X11/programs/Xserver/hw/nxagent/X/NXglyph.c.X.original @@ -43,6 +43,12 @@ #include "picturestr.h" #include "glyphstr.h" +#if HAVE_STDINT_H +#include +#elif !defined(UINT32_MAX) +#define UINT32_MAX 0xffffffffU +#endif + /* * From Knuth -- a good choice for hash/rehash values is p, p-2 where * p and p-2 are both prime. These tables are sized to have an extra 10% @@ -334,8 +340,12 @@ AllocateGlyph (xGlyphInfo *gi, int fdepth) { int size; GlyphPtr glyph; - - size = gi->height * PixmapBytePad (gi->width, glyphDepths[fdepth]); + size_t padded_width; + + padded_width = PixmapBytePad (gi->width, glyphDepths[fdepth]); + if (gi->height && padded_width > (UINT32_MAX - sizeof(GlyphRec))/gi->height) + return 0; + size = gi->height * padded_width; glyph = (GlyphPtr) xalloc (size + sizeof (GlyphRec)); if (!glyph) return 0; -- cgit v1.2.3