33ee3b2e2e
1. simple_strto*() do not contain overflow checks and crufty,
libc way to indicate failure.
2. strict_strto*() also do not have overflow checks but the name and
comments pretend they do.
3. Both families have only "long long" and "long" variants,
but users want strtou8()
4. Both "simple" and "strict" prefixes are wrong:
Simple doesn't exactly say what's so simple, strict should not exist
because conversion should be strict by default.
The solution is to use "k" prefix and add convertors for more types.
Enter
kstrtoull()
kstrtoll()
kstrtoul()
kstrtol()
kstrtouint()
kstrtoint()
kstrtou64()
kstrtos64()
kstrtou32()
kstrtos32()
kstrtou16()
kstrtos16()
kstrtou8()
kstrtos8()
Include runtime testsuite (somewhat incomplete) as well.
strict_strto*() become deprecated, stubbed to kstrto*() and
eventually will be removed altogether.
Use kstrto*() in code today!
Note: on some archs _kstrtoul() and _kstrtol() are left in tree, even if
they'll be unused at runtime. This is temporarily solution,
because I don't want to hardcode list of archs where these
functions aren't needed. Current solution with sizeof() and
__alignof__ at least always works.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
126 lines
3.8 KiB
Makefile
126 lines
3.8 KiB
Makefile
#
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# Makefile for some libs needed in the kernel.
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#
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ifdef CONFIG_FUNCTION_TRACER
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ORIG_CFLAGS := $(KBUILD_CFLAGS)
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KBUILD_CFLAGS = $(subst -pg,,$(ORIG_CFLAGS))
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endif
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lib-y := ctype.o string.o vsprintf.o cmdline.o \
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rbtree.o radix-tree.o dump_stack.o timerqueue.o\
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idr.o int_sqrt.o extable.o prio_tree.o \
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sha1.o irq_regs.o reciprocal_div.o argv_split.o \
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proportions.o prio_heap.o ratelimit.o show_mem.o \
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is_single_threaded.o plist.o decompress.o
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lib-$(CONFIG_MMU) += ioremap.o
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lib-$(CONFIG_SMP) += cpumask.o
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lib-y += kobject.o kref.o klist.o
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obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
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bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
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string_helpers.o gcd.o lcm.o list_sort.o uuid.o flex_array.o
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obj-y += kstrtox.o
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obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
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ifeq ($(CONFIG_DEBUG_KOBJECT),y)
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CFLAGS_kobject.o += -DDEBUG
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CFLAGS_kobject_uevent.o += -DDEBUG
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endif
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lib-$(CONFIG_HOTPLUG) += kobject_uevent.o
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obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
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obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
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obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
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obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
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obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o
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lib-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o
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lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o
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lib-$(CONFIG_GENERIC_FIND_FIRST_BIT) += find_next_bit.o
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lib-$(CONFIG_GENERIC_FIND_NEXT_BIT) += find_next_bit.o
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obj-$(CONFIG_GENERIC_FIND_LAST_BIT) += find_last_bit.o
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CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS))
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obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
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obj-$(CONFIG_BTREE) += btree.o
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obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
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obj-$(CONFIG_DEBUG_LIST) += list_debug.o
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obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
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ifneq ($(CONFIG_HAVE_DEC_LOCK),y)
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lib-y += dec_and_lock.o
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endif
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obj-$(CONFIG_BITREVERSE) += bitrev.o
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obj-$(CONFIG_RATIONAL) += rational.o
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obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
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obj-$(CONFIG_CRC16) += crc16.o
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obj-$(CONFIG_CRC_T10DIF)+= crc-t10dif.o
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obj-$(CONFIG_CRC_ITU_T) += crc-itu-t.o
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obj-$(CONFIG_CRC32) += crc32.o
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obj-$(CONFIG_CRC7) += crc7.o
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obj-$(CONFIG_LIBCRC32C) += libcrc32c.o
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obj-$(CONFIG_GENERIC_ALLOCATOR) += genalloc.o
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obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate/
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obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate/
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obj-$(CONFIG_REED_SOLOMON) += reed_solomon/
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obj-$(CONFIG_LZO_COMPRESS) += lzo/
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obj-$(CONFIG_LZO_DECOMPRESS) += lzo/
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obj-$(CONFIG_XZ_DEC) += xz/
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obj-$(CONFIG_RAID6_PQ) += raid6/
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lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
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lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
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lib-$(CONFIG_DECOMPRESS_LZMA) += decompress_unlzma.o
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lib-$(CONFIG_DECOMPRESS_XZ) += decompress_unxz.o
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lib-$(CONFIG_DECOMPRESS_LZO) += decompress_unlzo.o
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obj-$(CONFIG_TEXTSEARCH) += textsearch.o
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obj-$(CONFIG_TEXTSEARCH_KMP) += ts_kmp.o
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obj-$(CONFIG_TEXTSEARCH_BM) += ts_bm.o
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obj-$(CONFIG_TEXTSEARCH_FSM) += ts_fsm.o
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obj-$(CONFIG_SMP) += percpu_counter.o
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obj-$(CONFIG_AUDIT_GENERIC) += audit.o
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obj-$(CONFIG_SWIOTLB) += swiotlb.o
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obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o
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obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
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obj-$(CONFIG_CPU_NOTIFIER_ERROR_INJECT) += cpu-notifier-error-inject.o
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lib-$(CONFIG_GENERIC_BUG) += bug.o
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obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
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obj-$(CONFIG_DYNAMIC_DEBUG) += dynamic_debug.o
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obj-$(CONFIG_NLATTR) += nlattr.o
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obj-$(CONFIG_LRU_CACHE) += lru_cache.o
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obj-$(CONFIG_DMA_API_DEBUG) += dma-debug.o
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obj-$(CONFIG_GENERIC_CSUM) += checksum.o
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obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o
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obj-$(CONFIG_ATOMIC64_SELFTEST) += atomic64_test.o
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obj-$(CONFIG_AVERAGE) += average.o
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obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o
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hostprogs-y := gen_crc32table
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clean-files := crc32table.h
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$(obj)/crc32.o: $(obj)/crc32table.h
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quiet_cmd_crc32 = GEN $@
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cmd_crc32 = $< > $@
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$(obj)/crc32table.h: $(obj)/gen_crc32table
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$(call cmd,crc32)
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