I just ran the clang static analyzer on the xserver configure script and
it reported a few issues. Most of them were dead assignments/increments,
but there also was one dereference of an undefined pointer value. I
don't know which tests the conftest.c belongs to, but I doubt it's to
test if an application can safely write to unknown memory ;). The test
contains the following code:
{ /* SCO 3.2v4 cc rejects this. */
char *t;
char const *s = 0 ? (char *) 0 : (char const *) 0;
*t++ = 0; /* <<< t is undefined! */
if (s) return 0;
}
Tell me if you want more informations or if you are interested in the
full report from clang.
tom
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