[gstreamer-bugs] [Bug 335013] Check for busted posix_memalign

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-ffmpeg | Ver: 0.10.0





------- Comment #4 from Jens Granseuer  2006-06-23 14:28 UTC -------
As an additional data point, this is an issue with all glibc < 2.3.
Here's the relevant part from the 2.2.5 -> 2.3 patch.

 int
 __posix_memalign (void **memptr, size_t alignment, size_t size)
@@ -4901,16 +5337,15 @@ __posix_memalign (void **memptr, size_t 

   /* Test whether the SIZE argument is valid.  It must be a power of
      two multiple of sizeof (void *).  */
-  if (size % sizeof (void *) != 0 || (size & (size - 1)) != 0)
+  if (alignment % sizeof (void *) != 0 || !powerof2 (alignment) != 0)
     return EINVAL;


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