aside from theoretical arbitrary results due to UB, this could
practically cause unbounded overf...

notes added by maintainer:

the '-' specifier allows default padding to be suppressed, and '_'
a...

stdio types use the struct tag names from glibc libio to match C++
ABI.

notes added by maintainer:

this function is a GNU extension. it was chosen over the similar BSD...

previously, fgetwc left all but the first byte of an illegal sequence
unread (available for subs...

fgetwc does not set the stream's error indicator on encoding errors,
making ferror insufficient ...

Update the buffer position according to the bytes consumed into st when
decoding an incomplete c...

these encodings are still commonly used in messaging protocols and
such. the reverse mapping is ...

previously, 8-bit codepages could only remap the high 128 bytes; the
low range was assumed/force...

commit c49d3c8adadfa24235fcf4779bb722b1aa6f480b added logic to detect
attempts to load libc.so v...

the new version of the code used to generate these tables forces a
newline every 256 entries, wh...

If the syscall fails, errno must be set correctly for the caller.
There's no guarantee that the ...

this implementation aims to match the baseline defined by rfc1468 (the
original mime charset def...

assuming pointers obtained from malloc have some nonzero alignment,
repurpose the low bit of ico...

the special case where mbrtowc returns 0 but consumed 1 byte of input
does not need to be consid...

short-circuiting low bytes before the switch precluded support for
character encodings that don'...

this is in preparation to support stateful conversion descriptors,
which are necessarily allocat...

this change is made to avoid having assumptions about the encoding
spread out across the file, a...

If AI_NUMERICSERV is specified and a numeric service was not provided,
POSIX mandates getaddrinf...

commit a6054e3c94aa0491d7366e4b05ae0d73f661bfe2 changed this function
not to take an argument, b...

s390 can use the generic ioctls definitions other than FIOQSIZE (like arm).

this fixes some mis...

statx number is allocated for microblaze in linux commit
f5ef419630e85e80284cd0256cb5a13a66bbd6c5

allows expanding the signal frame beyond the 4k reserved space.
new in linux commit 33f082614c34...

TCP_ULP is new in linux commit 734942cc4ea6478eed125af258da1bdbb4afe578
TCP_MD5SIG_EXT is new in...

for getting/setting write lifetime hints fcntl commands were
added in linux commit c75b1d9421f80...

added for safe opening of peer end of pty in a mount namespace.
new in linux commit c6325179238f...

SCM_TIMESTAMPING_PKTINFO is new in aad9c8c470f2a8321a99eb053630ce0e199558d6
SO_PEERGROUPS is new...

new syscall in linux commit 916cda1aa1b412d7cf2991c3af7479544942d121

syscall for i386 compat mode on x86_64 for non-x86_64 prctls.
new in linux commit 79170fda313ed5...

hwcap bits for armv8.3 extensions, added in linux commits
c8c3798d2369e4285da44b244638eafe446a8f...

new in linux commit 531b374834c891ae2abf800693074df35a7d1a36

SO_MEMINFO added in linux commit a2d133b1d465016d0d97560b11f54ba0ace56d3e
SO_INCOMING_NAPI_ID ad...

statx was added in linux commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
(there is no libc wrapp...

two new stats for SCM_TIMESTAMPING_OPT_STATS, added in linux commit
7e98102f489775d8c000884fca8a...

new in linux commit 19f6d3f3c8422d65b5e3d2162e30ef07c6e21ea2

new in linux commit 69ae543969abeba48e04dd93277684c8c0895f3b

new hwcap bits were added in kernel commits
77c97b4ee21290f5f083173d957843b615abbff2
f92f5ce01ee...

added in linux commit 80f60e509a03ff9ff2bdbf9cd1e935c6360b8bd9

missing syscalls got allocated on microblaze.

linux commit 575b1967e10a1f3038266244d2c7a3ca6b99fed8 moved timerfd
apis to a new uapi header wh...

min max mtu size definitions mostly for drivers.
new in linux commits a52ad514fdf3b8a57ca4322c92...

added in linux commit 70ecc24841326396a827deb55c3fefac582a729d

for tcp timestamp control messages, new in linux commit
1c885808e45601b2b6f68b30ac1d999e10b6f606...

the resolution to Austin Group issue #411 defined new semantics for
the posix_spawn dup2 file ac...

commit 06fbefd10046a0fae7e588b7c6d25fb51811b931 (first included in
release 1.1.17) introduced th...

commit 8c4be3e2209d2a1d3874b8bc2b474668fcbbbac6 was written to
preclude the GLOB_PERIOD extensio...

execvpe stack-allocates a buffer used to hold the full path
(combination of a PATH entry and the...

MAXADDRS was chosen not to need enforcement, but the logic used to
compute it assumes the answer...

the rightmost '/' character is not necessarily the delimiter before
the basename; it could be a ...

calling __unlock on t->exitlock is not valid because __unlock reads
the waiters count after maki...

the freebsd fma code failed to raise underflow exception in some
cases in nearest rounding mode ...

this is for consistency with the way it's done in in the dynamic
linker, avoiding a deprecated C...

this is a subtle issue with how the assembler/linker work. for the adr
pseudo-instruction used t...

patch by Jörg Krause.

MAP_{NORESERVE,LOCKED} have different values on powerpc than in generic.

under some conditions, the mmap syscall wrongly fails with EPERM
instead of ENOMEM when memory i...

GLOB_PERIOD is a gnu extension, and GNU glob does not seem to honor it
except in the last path c...

some applications use getservbyport to find port numbers that are not
assigned to a service; if ...

if the parent thread was able to set the new thread's priority before
it reached the check for '...

most of the found naming differences don't matter to musl, because
internally it unifies the sys...

this is mandated by C and POSIX standards and is in accordance with
glibc behavior.

Reported by Leah Neukirchen.

This aligns clearenv with the Linux man page by setting 'environ'
rather than '*environ' to NULL...

Rewrite environment access functions to slim down code, fix bugs and
avoid invoking undefined be...

the DFA table controlling accepted ranges for the f4 prefix used an
incorrect upper bound of 0xa...

the value computed as an output limit that bounds the amount of input
consumed below the input l...

Glibc renamed the linux uapi HWCAP_* macros to HWCAP_ARM_*
so have both variants in case some co...

counts leading zero bits of a 64bit int, undefined on zero input.
(has nothing to do with atomic...

aligned with linux arch/s390/include/asm/elf.h
(these macros should be exported into uapi, but t...

it's in the reserved namespace for the latter, where it seems it was
historically defined, and s...

patch by Pascal Cuoq.

It is possible for argv[0] to be a null pointer, but the __progname
variable is used to implemen...

it is defined in linux asm/sockios.h since commit
ae40eb1ef30ab4120bd3c8b7e3da99ee53d27a23 (linu...

commit c002668eb0352e619ea7064e4940b397b4a6e68d inadvertently moved
the check for unflushed writ...

Due to a missing ":" in an asm() statement, the "memory" clobber is
considered by gcc as an inpu...

passing to pthread_join the id of a thread which is not joinable
results in undefined behavior.
...

The TOC pointer is constant within a single dso, but needs to be saved
and restored around cross...

neither current compilers nor linkers treat protected visibility the
way I expected, as having f...

since setlocale(cat, NULL) is required to return the setting for the
global locale, there is no ...

The switch statement has no 'default:' case and the function ends
immediately following the swit...

The flag 1<<7 is used in several places for different purposes that are
not always easy to disti...

commit 58e2396a9aa23c132faf4198ca4d779c84955b38 missed that the same
code was duplicated in impl...

The two functions str{,n}casecmp_l are specified to be declared in
<strings.h> which is already ...

previously, the pathname used to load the program was always used as
argv[0]. the default remain...

commit 4ff234f6cba96403b5de6d29d48a59fd73252040 inadvertently removed
the logic to do this when ...

a null pointer for a library's deps list was ambiguous: it could
indicate either no dependencies...

while the official elfv2 abi for "powerpc64le" sets power8 as the
baseline isa, we use it for bo...

these were introduced in z196 and not available in the baseline (z900)
ISA level. use __HTM__ as...