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Currently, due to the inverse order, strcmp will produce negative result
when the needle is towards the start of the haystack. Thus on the next
iteration(s) we'll end up further towards the end and eventually fail to
locate the entry.
Cc: "12.0" <[email protected]>
Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]>
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This 'last' variable used in FindGLXFunction(...) may become negative,
but has been defined as unsigned int resulting in an overflow,
finally resulting in a segfault when accessing _glXDispatchTableStrings[...].
Fixed this by definining it as signed int. 'first' variable also needs to be
defined as signed int. Otherwise condition for while loop fails due to C
implicitly converting signed to unsigned values before comparison.
Cc: <[email protected]>
Signed-off-by: Stefan Dirsch <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
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Rather than checking if the function name maps to a valid entry in the
respective table, just create a dummy entry at the end of each table.
This allows us to remove some unnessesary "index >= 0" checks, which get
executed quite often.
Reviewed-by: Adam Jackson <[email protected]>
Signed-off-by: Emil Velikov <[email protected]>
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It will allows us to find the function within 6 attempts, out of the ~80
entry long table.
v2: calculate middle on each iteration, correctly set the lower limit.
Reviewed-by: Adam Jackson <[email protected]> (v1)
Signed-off-by: Emil Velikov <[email protected]>
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With reference to the libglvnd branch:
https://cgit.freedesktop.org/mesa/mesa/log/?h=libglvnd
This is a squashed commit containing all of Kyle's commits, all but two
of Emil's commits (to follow), and a small fixup from myself to mark the
rest of the glX* functions as _GLX_PUBLIC so they are not exported when
building for libglvnd. I (ajax) squashed them together both for ease of
review, and because most of the changes are un-useful intermediate
states representing the evolution of glvnd's internal API.
Co-author: Emil Velikov <[email protected]>
Reviewed-by: Adam Jackson <[email protected]>
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