musl/src/linux/setfsuid.c, branch master musl - an implementation of the standard library for Linux-based systems reduce spurious inclusion of libc.h 2018年09月12日T18:34:37+00:00 Rich Felker dalias@aerifal.cx 2018年09月12日T04:08:09+00:00 5ce3737931bb411a8d167356d4d0287b53b0cbdc 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. 
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.
include cleanups: remove unused headers and add feature test macros 2013年12月12日T05:09:18+00:00 Szabolcs Nagy nsz@port70.net 2013年12月12日T05:09:18+00:00 571744447c23f91feb6439948f3a619aca850dfb
add linux setfs[ug]id syscall wrappers 2012年01月29日T02:09:50+00:00 Rich Felker dalias@aerifal.cx 2012年01月29日T02:09:50+00:00 4619901ec4b82d233a24e26ef3df01ddadc2d013 patch by Jeremy Huntwork 
patch by Jeremy Huntwork

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