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the changeset r541ead66e8af:
"libdraw: make ebread() return buffer immidiately if available"
makes mouse sluggish when the program cant keep up as mouse
events queue up. this more or less restores the original
behaviour but only for mouse events.
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up->setargs wasnt reset in sysexec(). also, up->args should only
be exchanged/freed under up->debug qlock. otherwise double free
could happen.
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should probably use seprint() instead.
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when the screen is resized, we scale the windows to
match the new screen size. when the screen is too
small tho, the scaled down window rect might result
in a bad window rect. before, we kept the window
in its original position and size making it possible
to move a window out of the screen by resizing its
outer rio.
now, if we get a bad rectangle after scaling, we
just tralslate position to the new scaled r.min
point but preserve its orginal size. this keeps
the window always accessible.
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we loaded APMDSEG instead of APMDSEL into DS. (ouch!)
its not really clear why we loaded DS (wong) in the
first place as bios is supposed to do this. for the
machines where this worked it could have no effect
anyway because it was wrong so removing the DS load
and just zero all segment registers.
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new algorithm:
sort entries by top address first. then for each entry we use:
base = max(base, last)
so we'll never map the same addresses twice.
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we cannot do:
cmdpid = rfork(... RFMEM);
because cmdpid is a global variable in the data segment
and hence shared between parent and child process. use a
temporary variable on the stack.
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- TLSconn structure on stack but not initialized (zeroed)
- original filedescriptor double closed in error case
- original filedescriptor leaked in success case
- leaked TLSconn.sessionID and TLSconn.cert
- clarify in pushtls(2) and pushssl(2)
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T.S. Eliot
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distribute irqs in setuplink(), remove debug prints
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window resize is only neccesary if tagline changed.
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this is so we cna handle:
foo = `{echo `{echo bar}}
thanks to erik and friedrich psiorz on 9fans for
bringing the issue up.
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buildin methods
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export amldelay() for microsecond sleeps.
implement _OSI() method.
fix rwreg argument in evalload()
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these are now part of libaml but can still be overridden
when needed.
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names, FindSetLeftBit/FindSetRightBit
new io interface was added. user defines amlmapio() and amlunmapio() functions
that will fill out Amlio structure with function pointers to read/write
routines for a particular region.
amlnew() function added allowing the creation of aml objects like buffers
or packages. these can be passed to amleval() with b, p or * format.
amltake()/amldrop() exclude an aml object from garbage collection.
on load, names are not always resolvable until the whole table is loaded.
for this, we create n objects that are just name strings. after load, we
recursively traverse the namespace and resolve them (see fixnames()).
the FindSetLeftBit and FindSetRightBit opcodes got implemened.
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the difficulty is freeing items while parsing because items might already
be linked into various linked lists like in docinfo.images or form.fiels.
so we link images, tables and formfields to the docinfo as the final step
of getitems() pass using the new recursive function linkitems(). as only
reachable items get linked theres no danger of dangeling pointers.
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always look for 9fat in plan9 partition even tho the partition
is *not* maked active. marking partitions active is not
recommended anymore with grub so this makes life easier for
some people. multiple plan9 partitions on a single drive
is not supported.
have to copy partition table as buf gets trashed when reading
first block of fat partition. it worked only when the first
fat partition found (the one marked active) was the right one,
but conffat() can fail.
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png: colorspace will never be CYCbCr (this is no
doubt from copy-pasting from jpg)
tif: everyone else uses colorspace as a function
argument, so we will too
readtif, writetif: credit paul bourke
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assert port reset for 50ms, not 10ms.
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