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linux/tools/include/linux
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Ihor Solodrai 63c49efc98 selftests/bpf: Add simple strscpy() implementation 
Replace bpf_strlcpy() in bpf_util.h with a sized_strscpy(), which is a
simplified sized_strscpy() from the kernel (lib/string.c [1]). It:
  * takes a count (destination size) parameter
  * guarantees NULL-termination
  * returns the number of characters copied or -E2BIG

Re-define strscpy macro similar to in-kernel implementation [2]: allow
the count parameter to be optional.

Add #ifdef-s to tools/include/linux/args.h, as they may be defined in
other system headers (for example, __CONCAT in sys/cdefs.h).

Fixup the single existing bpf_strlcpy() call in cgroup_helpers.c

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/lib/string.c?h=v6.19#n113
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux/string.h?h=v6.19#n91

Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Link: https://lore.kernel.org/r/20260223190736.649171-2-ihor.solodrai@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2026-02-23 18:40:07 -08:00
..
sched XArray: Add calls to might_alloc() 2022-07-10 21:17:30 -04:00
unaligned
align.h tools: move alignment-related macros to new <linux/align.h> 2024-04-01 10:49:28 +01:00
args.h selftests/bpf: Add simple strscpy() implementation 2026-02-23 18:40:07 -08:00
arm-smccc.h tools: Import ARM SMCCC definitions 2022-05-03 21:30:19 +01:00
atomic.h tools/include: implement a couple of atomic_t ops 2025-09-13 16:55:24 -07:00
bitfield.h tools: Fix bitfield dependency failure 2026-01-28 15:18:44 -03:00
bitmap.h tools: bitmap: add missing bitmap_[subset(), andnot()] 2026-02-12 15:42:57 -08:00
bitops.h asm-generic cleanups for 6.10 2024-05-20 15:18:34 -07:00
bits.h tools headers: Sync linux/bits.h with the kernel source 2025-08-18 12:38:42 -07:00
btf_ids.h tools/resolve_btfids: fix build with musl libc 2024-03-28 18:58:29 -07:00
bug.h
build_bug.h tools headers: Syncronize linux/build_bug.h with the kernel sources 2025-06-16 14:05:11 -03:00
cache.h tools/include: Add cache.h stub 2022-02-20 08:44:37 +02:00
cfi_types.h tools headers: kcfi: rename missed CONFIG_CFI_CLANG 2025-10-07 08:21:33 -07:00
compiler-context-analysis.h tools: Update context analysis macros in compiler_types.h 2026-01-28 09:25:45 +01:00
compiler-gcc.h Improve consistency of '#error' directive messages 2024-11-11 17:17:04 -08:00
compiler.h tools headers: Add stub definition for __iomem 2025-08-27 12:14:06 -06:00
compiler_types.h Updates for the VDSO subsystem: 2026-02-10 17:02:23 -08:00
const.h compiler.h: move __is_constexpr() to compiler.h 2023-10-18 14:43:22 -07:00
container_of.h lib/rbtree: enable userland test suite for rbtree related data structure 2025-03-17 12:17:00 -07:00
coresight-pmu.h perf: cs-etm: Support version 0.1 of HW_ID packets 2024-08-29 15:56:13 -03:00
ctype.h tools headers: Update linux/ctype.h with the kernel sources 2020-12-18 17:32:28 -03:00
debugfs.h tools/include: Add debugfs.h stub 2022-02-20 08:44:37 +02:00
delay.h
err.h docs: move x86 documentation into Documentation/arch/ 2023-03-30 12:58:51 -06:00
export.h module: remove EXPORT_UNUSED_SYMBOL* 2021-02-08 12:28:07 +01:00
filter.h bpftool: Probe for ISA v4 instruction set extension 2024-12-12 17:25:17 +01:00
find.h tools: sync find_bit() implementation 2022-09-21 12:21:44 -07:00
ftrace.h
gfp.h tools: fix compilation after gfp_types.h split 2022-09-11 16:22:31 -07:00
gfp_types.h tools headers: Sync linux/gfp_types.h with kernel sources 2025-12-24 11:43:22 -08:00
hash.h hash.h: remove unused define directive 2022-01-20 08:52:54 +02:00
hashtable.h
init.h memblock test: add the definition of __setup() 2024-08-06 08:21:25 +03:00
interrupt.h
interval_tree_generic.h interval_tree: Fix ITSTATIC usage for *_subtree_search() 2025-10-14 14:45:22 -07:00
io.h tools headers: Import asm-generic MMIO helpers 2025-08-27 12:14:06 -06:00
jhash.h tools/: replace HTTP links with HTTPS ones 2020-08-07 11:33:21 -07:00
kallsyms.h kallsyms: fix build without execinfo 2025-07-09 21:07:51 -07:00
kasan-tags.h tools: arm64: Update sysreg.h header files 2025-01-12 12:50:11 +00:00
kconfig.h tools headers: Remove broken definition of __LITTLE_ENDIAN 2021-07-14 14:39:36 -03:00
kern_levels.h
kernel.h lib/rbtree: enable userland test suite for rbtree related data structure 2025-03-17 12:17:00 -07:00
linkage.h more s390 updates for 6.12 merge window 2024-09-28 09:11:46 -07:00
list.h tools/lib: Add list_is_first() 2026-01-21 21:54:59 -03:00
list_sort.h tools lib: Adopt list_sort() from the kernel sources 2021-10-20 10:30:59 -03:00
livepatch_external.h objtool/klp: Introduce klp diff subcommand for diffing object files 2025-10-14 14:50:18 -07:00
log2.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
math.h tools: Fix math.h breakage 2021-11-30 09:14:42 -08:00
math64.h lib/rbtree: enable userland test suite for rbtree related data structure 2025-03-17 12:17:00 -07:00
mm.h memblock test: include <linux/sizes.h> from tools mm.h stub 2026-01-05 11:52:48 +02:00
module.h
moduleparam.h lib/rbtree: enable userland test suite for rbtree related data structure 2025-03-17 12:17:00 -07:00
mutex.h
nmi.h tools/lib/lockdep: Add empty nmi.h 2018-09-10 13:48:23 +02:00
numa.h memblock tests: fix implicit declaration of function 'numa_valid_node' 2024-07-05 11:24:47 +03:00
objtool_types.h objtool: Add ANNOTATE_DATA_SPECIAL 2025-10-14 14:50:16 -07:00
overflow.h compiler.h: drop fallback overflow checkers 2021-09-13 10:18:28 -07:00
panic.h memblock tests: fix undefined reference to `panic' 2024-04-04 11:08:33 +03:00
pci_ids.h tools headers: Add symlink to linux/pci_ids.h 2025-08-27 12:14:07 -06:00
pfn.h mm/memblock: introduce a new helper memblock_estimated_nr_free_pages() 2024-08-11 19:18:52 +03:00
poison.h slab: delete useless RED_INACTIVE and RED_ACTIVE 2024-06-24 21:41:41 +02:00
prandom.h lib/rbtree: enable userland test suite for rbtree related data structure 2025-03-17 12:17:00 -07:00
rbtree.h rbtree: Add generic add and find helpers 2021-02-17 14:07:31 +01:00
rbtree_augmented.h tools lib rbtree: pick some improvements from the kernel rbtree code 2024-05-08 08:41:27 -07:00
rcu.h rcu: Don't return a value from rcu_assign_pointer() 2019-06-13 15:38:34 -07:00
refcount.h mm: make vma cache SLAB_TYPESAFE_BY_RCU 2025-03-16 22:06:21 -07:00
ring_buffer.h tools: Optimize ring buffer for riscv 2024-09-20 01:46:47 -07:00
rwsem.h maple_tree: update check_forking() and bench_forking() 2023-12-10 16:51:33 -08:00
seq_file.h memblock tests: fix warning ‘struct seq_file’ declared inside parameter list 2023-09-14 10:51:28 +03:00
sizes.h tools: bpftool: add "prog run" subcommand to test-run programs 2019-07-05 23:48:07 +02:00
slab.h tools/testing: Add support for prefilled slab sheafs 2025-09-29 09:25:00 +02:00
spinlock.h maple_tree: introduce {mtree,mas}_lock_nested() 2023-12-10 16:51:31 -08:00
static_call_types.h static_call: allow using STATIC_CALL_TRAMP_STR() from assembly 2025-11-15 06:18:17 +00:00
string.h objtool/klp: Introduce klp diff subcommand for diffing object files 2025-10-14 14:50:18 -07:00
stringify.h
time64.h
types.h tools include: Add definitions for __aligned_{l,b}e64 2025-12-23 14:16:18 -07:00
unaligned.h tools headers: Remove unneeded ignoring of warnings in unaligned.h 2026-01-14 08:56:41 +01:00
zalloc.h tools lib: Adopt zalloc()/zfree() from tools/perf 2019-07-09 10:13:26 -03:00