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a08c5356a3aaf638c41897ae4169de18db89595e
linux/lib
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Linus Torvalds a08c5356a3 lib: add generic strnlen_user() function 
This adds a new generic optimized strnlen_user() function that uses the
<asm/word-at-a-time.h> infrastructure to portably do efficient string
handling.

In many ways, strnlen is much simpler than strncpy, and in particular we
can always pre-align the words we load from memory.  That means that all
the worries about alignment etc are a non-issue, so this one can easily
be used on any architecture.  You obviously do have to do the
appropriate word-at-a-time.h macros.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-26 11:33:53 -07:00
..
lzo
lib: add support for LZO-compressed kernels
2010-01-11 09:34:04 -08:00
mpi
mpi: Avoid using freed pointer in mpi_lshift_limbs()
2012-04-18 12:14:28 +10:00
raid6
lib/raid6: cleanup gen_syndrome function selection
2012-05-22 13:54:24 +10:00
reed_solomon
…
xz
XZ: Fix incorrect XZ_BUF_ERROR
2011-09-21 13:39:59 -07:00
zlib_deflate
zlib: slim down zlib_deflate() workspace when possible
2011-03-22 17:44:17 -07:00
zlib_inflate
inflate_fast: sout is already a short so ptr arith was off by one.
2010-03-12 15:52:44 -08:00
.gitignore
…
argv_split.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
atomic64_test.c
bug.h: add include of it to various implicit C users
2012-02-29 17:15:08 -05:00
atomic64.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
audit.c
audit: support the "standard" <asm-generic/unistd.h>
2011-05-04 14:41:28 -04:00
average.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
bcd.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
bch.c
lib: add shared BCH ECC library
2011-03-11 14:25:50 +00:00
bitmap.c
Merge tag 'module-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-03-24 10:24:31 -07:00
bitrev.c
…
bsearch.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
btree.c
btree: export btree_get_prev() so modules can use btree_for_each
2012-01-10 16:30:49 -08:00
bug.c
bugs, x86: Fix printk levels for panic, softlockups and stack dumps
2012-01-26 21:28:45 +01:00
bust_spinlocks.c
…
check_signature.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
checksum.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
clz_tab.c
lib: Fix multiple definitions of clz_tab
2012-02-02 10:34:23 +11:00
cmdline.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
cordic.c
Docs: wording: functions -> algorithm
2011-10-29 21:20:22 +02:00
cpu_rmap.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
cpu-notifier-error-inject.c
fault-injection: add CPU notifier error injection module
2010-05-27 09:12:48 -07:00
cpumask.c
lib/cpumask.c: remove __any_online_cpu()
2012-03-28 17:14:35 -07:00
crc7.c
…
crc8.c
lib: crc8: add new library module providing crc8 algorithm
2011-06-03 15:01:06 -04:00
crc16.c
…
crc32.c
crc32: add self-test code for crc32c
2012-03-23 16:58:38 -07:00
crc32defs.h
crc32: select an algorithm via Kconfig
2012-03-23 16:58:38 -07:00
crc-ccitt.c
…
crc-itu-t.c
…
crc-t10dif.c
…
ctype.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
debug_locks.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
debugobjects.c
debugobjects: Fill_pool() returns void now
2012-04-18 13:38:48 +02:00
dec_and_lock.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
decompress_bunzip2.c
decompress_bunzip2: remove invalid vi modeline
2011-12-06 10:00:05 +01:00
decompress_inflate.c
decompressors: check input size in decompress_inflate.c
2011-01-13 08:03:25 -08:00
decompress_unlzma.c
treewide: Fix comment and string typo 'bufer'
2011-12-06 09:53:40 +01:00
decompress_unlzo.c
unlzo: fix input buffer free
2012-01-12 20:13:13 -08:00
decompress_unxz.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
decompress.c
decompressors: add boot-time XZ support
2011-01-13 08:03:25 -08:00
devres.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
digsig.c
lib/digsig: checks for NULL return value
2012-02-02 00:24:04 +11:00
div64.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
dma-debug.c
Remove useless get_driver()/put_driver() calls
2012-01-24 16:00:35 -08:00
dump_stack.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
dynamic_debug.c
Revert "dynamic_debug: remove unneeded includes"
2012-05-07 16:47:32 -07:00
dynamic_queue_limits.c
dql: Fix undefined jiffies
2012-03-11 19:59:43 -07:00
extable.c
module: trim exception table on init free.
2009-06-12 21:47:04 +09:30
fault-inject.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
find_last_bit.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
find_next_bit.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
flex_array.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
gcd.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
gen_crc32table.c
crc32: bolt on crc32c
2012-03-23 16:58:38 -07:00
genalloc.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
halfmd4.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
hexdump.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
hweight.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
idr.c
Merge tag 'module-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-03-24 10:24:31 -07:00
inflate.c
MN10300: Don't try and #include <linux/slab.h> in lib/inflate.c from bootloader
2010-08-12 09:51:35 -07:00
int_sqrt.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
iomap_copy.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
iomap.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
iommu-helper.c
Merge tag 'module-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-03-24 10:24:31 -07:00
ioremap.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
irq_regs.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
is_single_threaded.c
kernel: is_current_single_threaded: don't use ->mmap_sem
2009-07-17 09:11:31 +10:00
jedec_ddr_data.c
ddr: add LPDDR2 data from JESD209-2
2012-05-02 00:04:06 -07:00
kasprintf.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
Kconfig
lib: add generic strnlen_user() function
2012-05-26 11:33:53 -07:00
Kconfig.debug
Merge branches 'x86-asm-for-linus', 'x86-cleanups-for-linus', 'x86-cpu-for-linus', 'x86-debug-for-linus' and 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-05-23 10:09:50 -07:00
Kconfig.kgdb
mips,kgdb: kdb low level trap catch and stack trace
2010-05-20 21:04:26 -05:00
Kconfig.kmemcheck
kmemcheck: depend on HAVE_ARCH_KMEMCHECK
2009-07-01 22:28:44 +02:00
klist.c
Revert "driver core: check start node in klist_iter_init_node"
2012-04-19 19:17:30 -07:00
kobject_uevent.c
Merge tag 'module-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-03-24 10:24:31 -07:00
kobject.c
kobject: fix the uncorrect comment
2012-05-07 16:51:19 -07:00
kstrtox.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
kstrtox.h
lib/kstrtox: common code between kstrto*() and simple_strto*() functions
2011-10-31 17:30:56 -07:00
lcm.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
libcrc32c.c
…
list_debug.c
rcu: List-debug variants of rcu list routines.
2012-04-24 20:54:49 -07:00
list_sort.c
lib/list_sort: test: check element addresses
2010-10-26 16:52:19 -07:00
llist.c
Merge tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system
2012-03-28 15:58:21 -07:00
locking-selftest-hardirq.h
…
locking-selftest-mutex.h
…
locking-selftest-rlock-hardirq.h
…
locking-selftest-rlock-softirq.h
…
locking-selftest-rlock.h
…
locking-selftest-rsem.h
…
locking-selftest-softirq.h
…
locking-selftest-spin-hardirq.h
…
locking-selftest-spin-softirq.h
…
locking-selftest-spin.h
…
locking-selftest-wlock-hardirq.h
…
locking-selftest-wlock-softirq.h
…
locking-selftest-wlock.h
…
locking-selftest-wsem.h
…
locking-selftest.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
lru_cache.c
lru_cache: use correct type in sizeof for allocation
2011-05-25 08:39:52 -07:00
Makefile
lib: add generic strnlen_user() function
2012-05-26 11:33:53 -07:00
md5.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
nlattr.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
parser.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
pci_iomap.c
lib: add NO_GENERIC_PCI_IOPORT_MAP
2012-01-31 23:19:47 +02:00
percpu_counter.c
lib/percpu_counter.c: enclose hotplug only variables in hotplug ifdef
2011-10-31 17:30:56 -07:00
plist.c
bug.h: add include of it to various implicit C users
2012-02-29 17:15:08 -05:00
prio_heap.c
…
prio_tree.c
prio_tree: introduce prio_set_parent()
2012-03-23 16:58:36 -07:00
proportions.c
locking, lib/proportions: Annotate prop_local_percpu::lock as raw
2011-09-13 11:11:50 +02:00
radix-tree.c
radix-tree: rewrite gang lookup using iterator
2012-03-28 17:14:37 -07:00
random32.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
ratelimit.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
rational.c
lib: Change mail address of Oskar Schirmer
2012-05-17 15:18:37 +02:00
rbtree.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
reciprocal_div.c
sch_red: Adaptative RED AQM
2011-12-08 19:52:43 -05:00
rwsem-spinlock.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
rwsem.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
scatterlist.c
Merge tag 'module-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-03-24 10:24:31 -07:00
sha1.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
show_mem.c
arch, mm: filter disallowed nodes from arch specific show_mem functions
2011-05-25 08:39:03 -07:00
smp_processor_id.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
sort.c
…
spinlock_debug.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
string_helpers.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
string.c
Merge tag 'module-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-03-24 10:24:31 -07:00
strncpy_from_user.c
word-at-a-time: make the interfaces truly generic
2012-05-26 11:33:40 -07:00
strnlen_user.c
lib: add generic strnlen_user() function
2012-05-26 11:33:53 -07:00
swiotlb.c
Merge tag 'module-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-03-24 10:24:31 -07:00
syscall.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
test-kstrtox.c
kstrtox: fix compile warnings in test
2011-04-14 16:06:54 -07:00
textsearch.c
textsearch: doc - fix spelling in lib/textsearch.c.
2011-01-24 23:33:30 -08:00
timerqueue.c
Merge tag 'module-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-03-24 10:24:31 -07:00
ts_bm.c
…
ts_fsm.c
…
ts_kmp.c
…
uuid.c
lib: reduce the use of module.h wherever possible
2012-03-07 15:04:04 -05:00
vsprintf.c
Merge tag 'module-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2012-03-24 10:24:31 -07:00