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2026-08-02tools/nolibc: add support for AlphaThomas Weißschuh
A straightforward new architecture. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Tested-by: Michael Cree <mcree@orcon.net.nz> Link: https://patch.msgid.link/20260722-nolibc-alpha-v2-1-4970e48eb7bf@weissschuh.net
2026-05-03tools/nolibc: add support for 32-bit pariscThomas Weißschuh
Extend nolibc to target the 32-bit parisc architecture. 64-bit is not yet supported. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://patch/msgid.link/20260428-nolibc-hppa-v5-2-d843d573111a@weissschuh.net
2026-05-03tools/nolibc: add support for OpenRISC / or1kThomas Weißschuh
Add support for OpenRISC / or1k to nolibc. _start() uses the same wrapper construct as in arch-sh.h. libgcc is necessary as OpenRISC is missing 64-bit multiplication. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Stafford Horne <shorne@gmail.com> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260429-nolibc-openrisc-v2-1-8d7d7a2f3fec@weissschuh.net
2026-04-27tools/nolibc: add alloca()Thomas Weißschuh
Add the wide-used alloca() function. As it is highly machine and compiler dependent, just defer to the compiler builtin. This has been available since GCC 4 and clang 3. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260409-nolibc-alloca-v1-1-ed02f68dfaf9@weissschuh.net
2026-04-27tools/nolibc: add assert() and assert.hThomas Weißschuh
Add the standard assert() macro from the assert.h header. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260409-nolibc-assert-v1-1-42da8b367e23@weissschuh.net
2026-04-07tools/nolibc: add byteorder conversionsThomas Weißschuh
Add some standard functions to convert between different byte orders. Conveniently the UAPI headers provide all the necessary functionality. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260405-nolibc-bswap-v1-1-f7699ca9cee0@weissschuh.net
2026-04-02tools/nolibc: explicitly list architecture headersThomas Weißschuh
Relying on $(wildcard) is brittle and non-deterministic. similar to all the other headers. Switch the list of architecture headers to an explicit list, Link: https://patch.msgid.link/20260401-nolibc-cleanup-v1-4-bcf4c9f5c1be@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2026-04-02tools/nolibc: drop superfluous definition of QThomas Weißschuh
Q is already defined by tools/scripts/Makefile.include which is included at the top of tools/include/nolibc/Makefile. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://patch.msgid.link/20260401-nolibc-cleanup-v1-3-bcf4c9f5c1be@weissschuh.net
2026-04-02tools/nolibc: drop superfluous invocation of mkdirThomas Weißschuh
The call to 'mkdir -p $(OUTPUT)sysroot/include' will also create the sysroot directory. Drop the unnecessary explicit invocation of mkdir. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://patch.msgid.link/20260401-nolibc-cleanup-v1-2-bcf4c9f5c1be@weissschuh.net
2026-04-02tools/nolibc: drop superfluous invocation of 'make headers'Thomas Weißschuh
The headers_install target of the toplevel Makefile will already make sure that the headers are up-to-date. Drop the superfluous explicit invocation. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://patch.msgid.link/20260401-nolibc-cleanup-v1-1-bcf4c9f5c1be@weissschuh.net
2026-03-22tools/nolibc: add err.hThomas Weißschuh
Add a few convenient helpers to print error and warning messages. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260318-nolibc-err-h-v4-2-08247a694bd9@weissschuh.net
2026-01-04tools/nolibc: always use 64-bit mode for s390 header checksThomas Weißschuh
32-bit s390 support was recently removed from nolibc. If the compiler defaults to 32-bit during the header checks, they fail. Make sure to always use 64-bit mode for s390 heafer checks. Fixes: 169ebcbb9082 ("tools: Remove s390 compat support") Acked-by: Willy Tarreau <w@1wt.eu> Acked-by: Heiko Carstens <hca@linux.ibm.com> Link: https://patch.msgid.link/20251203-nolibc-headers-check-s390-v1-1-5d35e52a83ba@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2026-01-04tools/nolibc: add ptrace supportBenjamin Berg
Add ptrace support, as it will be useful in UML. Signed-off-by: Benjamin Berg <benjamin.berg@intel.com> [Thomas: drop va_args usage and linux/uio.h inclusion] Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-11-02tools/nolibc: make the "headers" target install all supported archsWilly Tarreau
The efforts we go through by installing a single arch are counter productive when the base directory already supports them all, and the arch-specific files are really small. Let's make the "headers" target simply install headers for all supported archs and stop trying to build a hybrid "arch.h" file on the fly, to instead keep the generic one. Now the same nolibc headers installation will be usable with any arch-specific uapi installation. Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-11-02tools/nolibc: add the more portable inttypes.hWilly Tarreau
It's often recommended to only use inttypes.h instead of stdint.h for portability reasons since the former is always present when the latter is present, but not conversely, and the former includes the latter. Due to this some simple programs fail to build when including inttypes.h. Let's add one that simply includes nolibc.h to better support these programs. Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-11-02tools/nolibc: provide the portable sys/select.hWilly Tarreau
Modern programs tend to include sys/select.h to get FD_SET() and FD_CLR() definitions as well as struct fd_set, but in our case it didn't exist. The definitions were moved from types.h to sys/select.h, which is now included from nolibc.h, and the sys_select() definition moved there as well from sys.h. Signed-off-by: Willy Tarreau <w@1wt.eu> [Thomas: adapt to current -next branch] Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-11-02tools/nolibc: fix misleading help message regarding installation pathWilly Tarreau
The help message says the headers are going to be installed into tools/include/nolibc but this is only the default if $OUTPUT is not set, so better clarify this (the current value of $OUTPUT is already shown). Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-10-29tools/nolibc: add uio.h with readv and writevBenjamin Berg
This is generally useful and struct iovec is also needed for other purposes such as ptrace. Signed-off-by: Benjamin Berg <benjamin.berg@intel.com> Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-07-08tools/nolibc: drop s390 clang target overrideThomas Weißschuh
tools/scripts/Makefile.include now has the same override, removing the need for the one in the nolibc Makefile. Drop the superfluous custom override. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Link: https://lore.kernel.org/r/20250620-tools-cross-s390-v2-2-ecda886e00e5@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-06-24tools/nolibc: use arm64 name over aarch64Thomas Weißschuh
Nolibc generally uses the kernel's architecture names. aarch64 is the only exception. Remove the special case. Nothing changes for the users. Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250623-nolibc-aarch64-arm64-v1-1-a2892f1c1b27@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-06-24tools/nolibc: hide headers_check command by defaultThomas Weißschuh
If V=1 is not specified the executed commands should not be printed. Hide the commands by default. Fixes: a6a054c8ad32 ("tools/nolibc: add target to check header usability") Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250623-nolibc-headers-silent-v1-1-f568facf014c@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-06-22tools/nolibc: merge i386 and x86_64 into a single x86 archWilly Tarreau
This remained the only exception to the kernel's architectures organization and it's always a bit cumbersome to deal with. Let's merge i386 and x86_64 into x86. This will result in a single arch-x86.h file by default, and we'll no longer need to merge the two manually during installation. Requesting either i386 or x86_64 will also result in installing x86. Acked-by: Thomas Weißschuh <linux@weissschuh.net> Signed-off-by: Willy Tarreau <w@1wt.eu>
2025-05-21tools/nolibc: move NULL and offsetof() to sys/stddef.hThomas Weißschuh
This is the location regular userspace expects these definitions. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250515-nolibc-sys-v1-8-74f82eea3b59@weissschuh.net
2025-05-21tools/nolibc: move uname() and friends to sys/utsname.hThomas Weißschuh
This is the location regular userspace expects these definitions. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250515-nolibc-sys-v1-7-74f82eea3b59@weissschuh.net
2025-05-21tools/nolibc: move makedev() and friends to sys/sysmacros.hThomas Weißschuh
This is the location regular userspace expects these definitions. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250515-nolibc-sys-v1-6-74f82eea3b59@weissschuh.net
2025-05-21tools/nolibc: move getrlimit() and friends to sys/resource.hThomas Weißschuh
This is the location regular userspace expects these definitions. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250515-nolibc-sys-v1-5-74f82eea3b59@weissschuh.net
2025-05-21tools/nolibc: move reboot() to sys/reboot.hThomas Weißschuh
This is the location regular userspace expects this definition. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250515-nolibc-sys-v1-4-74f82eea3b59@weissschuh.net
2025-05-21tools/nolibc: move prctl() to sys/prctl.hThomas Weißschuh
This is the location regular userspace expects this definition. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250515-nolibc-sys-v1-3-74f82eea3b59@weissschuh.net
2025-05-21tools/nolibc: move mount() to sys/mount.hThomas Weißschuh
This is the location regular userspace expects this definition. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250515-nolibc-sys-v1-2-74f82eea3b59@weissschuh.net
2025-05-21tools/nolibc: move ioctl() to sys/ioctl.hThomas Weißschuh
This is the location regular userspace expects this definition. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250515-nolibc-sys-v1-1-74f82eea3b59@weissschuh.net
2025-05-21tools/nolibc: add namespace functionalityThomas Weißschuh
This is used in various selftests and will be handy when integrating those with nolibc. Not all configurations support namespaces, so skip the tests where necessary. Also if the tests are running without privileges. Enable the namespace configuration for those architectures where it is not enabled by default. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250428-nolibc-misc-v2-12-3c043eeab06c@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-05-21tools/nolibc: add timerfd functionalityThomas Weißschuh
This is used in various selftests and will be handy when integrating those with nolibc. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250428-nolibc-misc-v2-10-3c043eeab06c@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-05-21tools/nolibc: add abs() and friendsThomas Weißschuh
This is used in various selftests and will be handy when integrating those with nolibc. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250428-nolibc-misc-v2-6-3c043eeab06c@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-05-21tools/nolibc: add getrandom()Thomas Weißschuh
This is used in various selftests and will be handy when integrating those with nolibc. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250428-nolibc-misc-v2-5-3c043eeab06c@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-05-21tools/nolibc: move poll() to poll.hThomas Weißschuh
This is the location regular userspace expects the definition. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250430-poll-v1-1-44b5ceabdeee@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-05-21tools/nolibc: add target to check header usabilityThomas Weißschuh
Each nolibc header should be valid for inclusion irrespective of any special ordering requirements. Add a new make target, based on the old kbuild "make header_check" target to validate this requirement. For now the check fails, but the following commits will fix the issues. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250424-nolibc-header-check-v1-1-011576b6ed6f@linutronix.de
2025-04-22tools/nolibc: add getopt()Thomas Weißschuh
Introduce a getopt() implementation based on the one from musl. The only deviations are adaption to the kernel coding style and nolibc infrastructure and removal of multi-byte support. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu>
2025-04-19tools/nolibc: move wait() and friends to sys/wait.hThomas Weißschuh
This is the location regular userspace expects these definitions. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250416-nolibc-split-sys-v1-10-a069a3f1d145@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-04-19tools/nolibc: add sys/types.h shimThomas Weißschuh
This is the location regular userspace expects the header. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250416-nolibc-split-sys-v1-9-a069a3f1d145@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-04-19tools/nolibc: move gettimeofday() to sys/time.hThomas Weißschuh
This is the location regular userspace expects this definition. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250416-nolibc-split-sys-v1-8-a069a3f1d145@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-04-19tools/nolibc: move syscall() to sys/syscall.hThomas Weißschuh
This is the location regular userspace expects the definition. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250416-nolibc-split-sys-v1-7-a069a3f1d145@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-04-19tools/nolibc: move stat() and friends to sys/stat.hThomas Weißschuh
This is the location regular userspace expects these definitions. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250416-nolibc-split-sys-v1-6-a069a3f1d145@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-04-19tools/nolibc: move mmap() and friends to sys/mman.hThomas Weißschuh
This is the location regular userspace expects these definitions. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250416-nolibc-split-sys-v1-5-a069a3f1d145@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-04-19tools/nolibc: move getauxval() to sys/auxv.hThomas Weißschuh
This is the location regular userspace expects the definition. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250416-nolibc-split-sys-v1-4-a069a3f1d145@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-04-19tools/nolibc: move open() and friends to fcntl.hThomas Weißschuh
This is the location regular userspace expects these definitions. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250416-nolibc-split-sys-v1-3-a069a3f1d145@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-04-19tools/nolibc: add elf.hThomas Weißschuh
The UAPI header do already provide an elf.h implementation. Reexport it under its libc name. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250416-nolibc-split-sys-v1-2-a069a3f1d145@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-04-19tools/nolibc: prepare for headers in subdirectoriesThomas Weißschuh
To support headers in subdirectories (like sys/), their subdirectory needs to be preserved during installation into the sysroot. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250416-nolibc-split-sys-v1-1-a069a3f1d145@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-03-25Merge tag 'timers-vdso-2025-03-23' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull VDSO infrastructure updates from Thomas Gleixner: - Consolidate the VDSO storage The VDSO data storage and data layout has been largely architecture specific for historical reasons. That increases the maintenance effort and causes inconsistencies over and over. There is no real technical reason for architecture specific layouts and implementations. The architecture specific details can easily be integrated into a generic layout, which also reduces the amount of duplicated code for managing the mappings. Convert all architectures over to a unified layout and common mapping infrastructure. This splits the VDSO data layout into subsystem specific blocks, timekeeping, random and architecture parts, which provides a better structure and allows to improve and update the functionalities without conflict and interaction. - Rework the timekeeping data storage The current implementation is designed for exposing system timekeeping accessors, which was good enough at the time when it was designed. PTP and Time Sensitive Networking (TSN) change that as there are requirements to expose independent PTP clocks, which are not related to system timekeeping. Replace the monolithic data storage by a structured layout, which allows to add support for independent PTP clocks on top while reusing both the data structures and the time accessor implementations. * tag 'timers-vdso-2025-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (55 commits) sparc/vdso: Always reject undefined references during linking x86/vdso: Always reject undefined references during linking vdso: Rework struct vdso_time_data and introduce struct vdso_clock vdso: Move architecture related data before basetime data powerpc/vdso: Prepare introduction of struct vdso_clock arm64/vdso: Prepare introduction of struct vdso_clock x86/vdso: Prepare introduction of struct vdso_clock time/namespace: Prepare introduction of struct vdso_clock vdso/namespace: Rename timens_setup_vdso_data() to reflect new vdso_clock struct vdso/vsyscall: Prepare introduction of struct vdso_clock vdso/gettimeofday: Prepare helper functions for introduction of struct vdso_clock vdso/gettimeofday: Prepare do_coarse_timens() for introduction of struct vdso_clock vdso/gettimeofday: Prepare do_coarse() for introduction of struct vdso_clock vdso/gettimeofday: Prepare do_hres_timens() for introduction of struct vdso_clock vdso/gettimeofday: Prepare do_hres() for introduction of struct vdso_clock vdso/gettimeofday: Prepare introduction of struct vdso_clock vdso/helpers: Prepare introduction of struct vdso_clock vdso/datapage: Define vdso_clock to prepare for multiple PTP clocks vdso: Make vdso_time_data cacheline aligned arm64: Make asm/cache.h compatible with vDSO ...
2025-03-03tools/nolibc: add limits.h shim headerThomas Weißschuh
limits.h is a widely used standard header. Missing it from nolibc requires adoption effort to port applications. Add a shim header which includes the global nolibc.h header. It makes all nolibc symbols available. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Willy Tarreau <w@1wt.eu> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Acked-by: Willy Tarreau <w@1wt.eu> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-9-28e14e031ed8@linutronix.de
2025-02-09tools/nolibc: add support for directory accessThomas Weißschuh
Add an implementation for directory access operations. To keep nolibc itself allocation-free, a "DIR *" does not point to any data, but directly encodes a filedescriptor number, equivalent to "FILE *". Without any per-directory storage it is not possible to implement readdir() POSIX confirming. Instead only readdir_r() is provided. While readdir_r() is deprecated in glibc, the reasons for that are not applicable to nolibc. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Link: https://lore.kernel.org/r/20250209-nolibc-dir-v2-2-57cc1da8558b@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
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