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These issues were identified by the STACK tool.
By default, the C++ new operator will throw an exception on allocation
failure, rather than returning a null pointer.
The result is that testing the returned pointer for null is redundant
and _may_ be removed by the compiler. This is thus optimization
unstable and may result in incorrect behaviour at runtime.
However, we do not use exceptions as they are not supported by all
compilers and may be disabled.
To make this stable without removing the null check, you could qualify
the new operator call with std::nothrow to indicate that this should
return a null, rather than throwing an exception.
However, using (std::nothrow) was not desirable due to the Symbian
toolchain lacking a <new> header.
A global solution to this was also not easy by redefining "new" as "new
(std::nothrow)" due to custom constructors in NDS toolchain and various
common classes.
Also, this would then need explicit checks for OOM adding to all new
usages as per C malloc which is untidy.
For now to remove this optimisation unstable code is best as it is
likely to not be present anyway, and OOM will cause a system library
exception instead, even without exceptions enabled in the application
code.
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invalid VOC files.
Formerly when an unsupported block was found the opening would fail. Instead
now all the valid blocks till that occasion will be played.
This fixes an missing sound in Full Throttle (thanks to clone2727 for
reporting), which is using a VOC file which fails to specify the proper block
length for its sound block.
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It seems the VOC files used by Simon 1 Amiga CD32 use 128 as terminator block.
Added this as a special case with a debug output when it's caught.
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This should fix missing sound in Touche.
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Now all VOCs are streamed rather than preloaded. This deprecates the
STREAM_AUDIO_FROM_DISK define, which was previously used to stream VOCs from
disk.
This might very well break some engines which relied on the stream not being
changed after makeVOCStream! I adapted all engines which had a check for
STREAM_AUDIO_FROM_DISK in their code.
It would be wise to check all other engines using VOC to see if this might
cause any problems for them.
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When reallocation is unsuccessful, the passed buffer is not freed. In this case, assigning the result (NULL) will result in a leak of the original memory buffer.
See http://msdn.microsoft.com/en-us/library/kkedhy7c.aspx
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Some backends may break as I only compiled SDL
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svn-id: r55850
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