previously this was being handled the same as a library-specific,
dependency-order lookup on the...

this is not a standard but it's the traditional behavior and it's more
useful because the caller...

this option is expensive and only used on old gcc's that lack
-fexcess-precision=standed, but it...

on arm, the location of the saved-signal-mask flag and mask were off
by one between sigsetjmp an...

no idea why gcc refuses to compile the C code to use a tail call, but
it's best to use asm anywa...

the new version is largely the work of Solar Designer, with minor
changes for integration with m...

lr must be saved because init/fini-section code from the compiler
clobbers it. this was not a pr...

based on a patch submitted by Kristian L. <[email protected]>

patch submitted by Kristian L. <[email protected]>

on old kernels, there's no way to detect errors; we must assume
negative syscall return values a...

The long double adjustment was wrong:
The usual check is
mant_bits & 0x7ff == 0x400
before doi...

unicode char data has both "W" and "F" wide types and the old table
only included the "W" ones. ...

this is silly, but it makes apps that read binary junk and interpret
it as ld80 "safer", and it ...

it should return the error code rather than 0/-1 and setting errno.

at the point pclose might receive and act on cancellation, it has
already invalidated the FILE p...

close was the only cancellation point called from popen, but it left
popen with major resource l...

also check for failure of dup2 and abort the child rather than
reading/writing the wrong file.

posix has resolved to add this usage; for now, we just avoid writing
anything to the new locale ...

if the buffer is too short, at least return a partial string. this is
helpful if the caller is l...

this one could never cause any problems unless the compiler/machine
goes to extra trouble to bre...

patch by nsz

dynamic-allocation of the structure is not valid; it can crash an
application if malloc fails. s...

this was actually dangerously wrong, but presumably nobody uses this
broken function anymore any...

if we eventually have build options, it might be nice to make an
option to dummy this out again,...

large precision values could cause out-of-bounds pointer arithmetic in
computing the precision c...

request/patch by william haddonthethird, slightly modifed to add
_GNU_SOURCE feature test macro ...

this is mildly ugly, but less ugly than gnulib trying to poke at the
definition of the FILE stru...

for seekable files, posix imposed requirements on the offset of the
underlying open file descrip...

there is no need/use for a flush hook. the write function serves this
purpose already. i origina...

apparently this was never tested before.

the old behavior was to only consider a stream to be "reading" or
"writing" if it had buffered, ...

one file was reusing another file's macro name, and many had
inconsistent underscores and applic...

it probably does not matter for /dev/null, but this should be done
consistently anyway.

this is required in case dtors use stdio.

also remove the old comments; one was cruft from when...

stime is not _XOPEN_SOURCE, and some functions were missing with
_BSD_SOURCE..

these are not exposed publicly in any header, but the few programs
that use them (modutils/kmod,...

based on patch by Emil Renner Berthing, with minor changes to dirent.h
for LFS64 and organizatio...

these were left in glibc for binary compatibility after the public
part of the interface was rem...

i originally omitted these (optional, per POSIX) interfaces because i
considered them backwards ...

the types of these expressions must match the integer promotions.
unsigned 8- and 16-bit values ...

signedness issue kept %ls with no precision from working at all

printf was not printing too many characters, but it was reading one
too many wchar_t elements fr...

this broke the busybox "free" utility (memory reporting) and possibly
other things like uptime.

the field width limit was not being cleared before reading the
literal, causing spurious failure...

this issue affects the last gpl2 version of binutils, which some
people are still using out of a...

it's possible that the user has provided a compiler that does not have
any libc to link to, so l...

in theory we could support stack protector in the libc itself, and
users wanting to experiment w...

some broken distro-provided toolchains have modified gcc to produce
only "gnu hash" dynamic hash...

this is not tested yet, but should work to get rid of unwanted
--hash-style=gnu hacks present in...

the error will propagate up and be printed to the user at program
start time; at runtime, dlopen...

this is ugly and stupid, but now that the *64 symbol names exist, a
lot of broken GNU software d...

Per POSIX, "The abort() function shall cause abnormal process
termination to occur, unless the s...

for some nonsensical reason, glibc's headers use inline functions that
redirect some of the stan...

I've been looking for data that would suggest a good default, and
since little has shown up, i'm...

this fix is necessary because a program could be started with some of
the implementation-reserve...

this action is now performed in pthread_self initialization; it must
be performed there in case ...

this should be the last major fix needed to support running
glibc-linked conforming POSIX progra...

lots of broken programs expect this, and it's gotten to the point of
being a troubleshooting FAQ...

this was fixed previously on i386 but the corresponding code on x86_64
was missed.

these will NOT be used when compiling with -D_LARGEFILE64_SOURCE on
musl; instead, they exist in...

linking the wrong crt1.o resulted in textrels and thus crashing

no idea where I got the idea fpurge should exist...

also fix up distinction of what is GNU-only and what's GNU+BSD

two actual issues: one is that __dynlink no longer wants/needs a GOT
pointer argument, so the co...

bug report and solution by Richard Pennington

issue reported by Richard Pennington; slightly simpler fix applied

bug report and solution by Richard Pennington

unfortunately in dynamic-linked programs, these macros cause
pthread_self to be initialized, whi...

if the process started with these signals blocked, cancellation could
fail or setxid could deadl...

TRE has a broken assumption that wchar_t is signed, which is a sane
expectation, but not require...

the bug was that cancellation requests which arrived while a
cancellation point was interrupted ...