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authorRich Felker <dalias@aerifal.cx>2018-09-12 00:08:09 -0400
committerRich Felker <dalias@aerifal.cx>2018-09-12 14:34:37 -0400
commit5ce3737931bb411a8d167356d4d0287b53b0cbdc (patch)
tree726fc5dde9cc462316faa715158c38f0da72292d /src/math/__rem_pio2f.c
parent0676c3a34c7bf12b33f8f5efb92476f4ffc7f20e (diff)
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reduce spurious inclusion of libc.h
libc.h was intended to be a header for access to global libc state and
related interfaces, but ended up included all over the place because
it was the way to get the weak_alias macro. most of the inclusions
removed here are places where weak_alias was needed. a few were
recently introduced for hidden. some go all the way back to when
libc.h defined CANCELPT_BEGIN and _END, and all (wrongly implemented)
cancellation points had to include it.

remaining spurious users are mostly callers of the LOCK/UNLOCK macros
and files that use the LFS64 macro to define the awful *64 aliases.

in a few places, new inclusion of libc.h is added because several
internal headers no longer implicitly include libc.h.

declarations for __lockfile and __unlockfile are moved from libc.h to
stdio_impl.h so that the latter does not need libc.h. putting them in
libc.h made no sense at all, since the macros in stdio_impl.h are
needed to use them correctly anyway.
Diffstat (limited to 'src/math/__rem_pio2f.c')
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