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nuttx/libs/libc
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yushuailong 7e67d2d906 libs/libc/dirent: preserve errno on readdir() end-of-directory 
readdir() returned NULL at end-of-directory without ensuring errno was
clean.  POSIX requires errno to be unchanged at EOF, but the underlying
read() path may leave a stale errno value.  Callers that follow the
POSIX idiom (set errno to 0 before the call, test it after a NULL
return), such as readdir_r() and scandir(), then misread this as a
readdir() failure.

Save errno on entry and restore it on the end-of-directory return so
that EOF no longer reports a spurious error, while genuine errors
(read() returning a negative value) still propagate.

Signed-off-by: yushuailong <yyyusl@qq.com>
2026-06-02 23:34:25 +08:00
..
aio include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
assert lib_stackchk.c: a duplicate implementation error reported during compilation 2026-02-02 13:22:07 +08:00
audio include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
builtin
ctype
dirent libs/libc/dirent: preserve errno on readdir() end-of-directory 2026-06-02 23:34:25 +08:00
dlfcn include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
errno
eventfd
fdt
fixedmath !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
gdbstub
gnssutils
grp
hex2bin include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
inttypes !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
libgen
locale
lzf !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
machine arch/tricore: Full implementation of setjmp and longjmp. 2026-05-22 00:38:02 +08:00
misc arch/sim: replace macOS C++ constructor runtime hack with post-link patch 2026-05-19 07:08:55 -03:00
net include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
netdb !sys/types.h: change time_t and clock_t to int64_t to align with other OSes 2026-05-19 16:21:28 +08:00
obstack include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
pthread include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
pwd
queue
regex
sched include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
search
semaphore
signal
spawn include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
stdio !libc/stream: remove CONFIG_LIBC_LONG_LONG and always support long long 2026-05-19 16:21:28 +08:00
stdlib !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
stream !libc/stream: remove CONFIG_LIBC_LONG_LONG and always support long long 2026-05-19 16:21:28 +08:00
string !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
symtab include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
syslog
termios
time !nuttx: drop redundant casts on tv_sec/tv_nsec and fix printf formats 2026-05-19 16:21:28 +08:00
tls libc/tls: update preprocessor condition comment to match implementation 2026-01-31 02:49:10 +08:00
uio
unistd include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
userfs include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
uuid
wchar
wctype
wqueue !sched/clock: remove CONFIG_SYSTEM_TIME64 and always use 64-bit time 2026-05-19 16:21:28 +08:00
zoneinfo Makefile: Remove make depend files by make distclean 2026-02-16 16:27:57 +01:00
.gitignore
CMakeLists.txt
Kconfig
libc.csv !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
libc.h
Makefile Makefile: Remove make depend files by make distclean 2026-02-16 16:27:57 +01:00