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glibc/stdlib
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Joseph Myers 5b17fd0da6 Add <stdint.h> integer width macros. 
TS 18661-1 defines macros for the width of integer types, intended for
use with the fromfp functions to convert from floating-point types to
integer types of any width, in any rounding mode and with control over
whether "inexact" is raised.  Such macros are, of course, more
generally useful than just with those functions.

Those macros are added to <limits.h> and <stdint.h>.  Having
previously added the <limits.h> macros, this patch adds the <stdint.h>
ones.  I've also added these macros to GCC's headers for GCC 7, but
for glibc systems, the definitions in GCC's <stdint.h> will only be
used with -ffreestanding.

Tested for x86_64 and x86.

	* sysdeps/generic/stdint.h: Define
	__GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION and include
	<bits/libc-header-start.h> instead of including <features.h>.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT8_WIDTH): New macro.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT8_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT16_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT16_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT32_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT32_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT64_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT64_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT_LEAST8_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT_LEAST8_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT_LEAST16_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT_LEAST16_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT_LEAST32_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT_LEAST32_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT_LEAST64_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT_LEAST64_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT_FAST8_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT_FAST8_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT_FAST16_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT_FAST16_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT_FAST32_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT_FAST32_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INT_FAST64_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINT_FAST64_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INTPTR_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINTPTR_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (INTMAX_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (UINTMAX_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (PTRDIFF_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (SIG_ATOMIC_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (SIZE_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (WCHAR_WIDTH): Likewise.
	[__GLIBC_USE (IEC_60559_BFP_EXT)] (WINT_WIDTH): Likewise.
	* manual/arith.texi (Integers): Document these macros for types
	specified by width properties.
	* manual/lang.texi (Width of Type): Document these macros for
	other standard typedefs.
	* stdlib/tst-width-stdint.c: New file.
	* stdlib/Makefile (tests): Add tst-width-stdint.
2016-09-21 17:06:36 +00:00
..
bits Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
sys
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abort.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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add_n.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
addmul_1.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
alloca.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
at_quick_exit.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
atexit.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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bsearch.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
bug-fmtmsg1.c
bug-getcontext.c
bug-strtod2.c Refactor bug-strtod2.c to be type generic 2016-05-23 14:13:11 -05:00
bug-strtod.c Refactor bug-strtod.c to better test new types. 2016-05-23 14:13:11 -05:00
canonicalize.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
cmp.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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Depend
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errno.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
exit.c Bug 20198: quick_exit should not call destructors. 2016-06-06 21:40:25 -04:00
exit.h Bug 20198: quick_exit should not call destructors. 2016-06-06 21:40:25 -04:00
fmtmsg.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
fmtmsg.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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gen-fpioconst.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
gen-tst-strtod-round.c Refactor tst-strtod-round.c for type-generic-ness 2016-05-25 13:33:36 -05:00
getcontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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groupingwc.c
inlines.c
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ldbl2mpn.c
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longlong.h longlong: fix sh -Wundef builds 2016-01-07 17:29:17 -05:00
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lrand48.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
lshift.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
makecontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
Makefile Add <stdint.h> integer width macros. 2016-09-21 17:06:36 +00:00
mblen.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
mbstowcs.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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old_atexit.c
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putenv.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
qsort.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
quick_exit.c Bug 20198: quick_exit should not call destructors. 2016-06-06 21:40:25 -04:00
rand_r.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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rpmatch.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
rshift.c Fix build failures with -DDEBUG. 2016-01-15 11:07:41 -07:00
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setcontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
setenv.c Suppress GCC 6 warning about ambiguous 'else' with -Wparentheses 2016-04-15 13:30:55 +02:00
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stdlib.h Do not declare grantpt, ptsname, unlockpt in stdlib.h for XPG3 (bug 20094). 2016-05-17 15:51:55 +00:00
strfmon_l.c libio: Implement vtable verification [BZ #20191] 2016-06-23 20:01:52 +02:00
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strtoimax.c
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strtoumax.c
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swapcontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
system.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tens_in_limb.c
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testdiv.input
testmb2.c
testmb.c
testrand.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
testsort.c
tst-atof1.c
tst-atof2.c
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tst-environ.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-fmtmsg.c
tst-fmtmsg.sh Make shebang interpreter directives consistent 2016-01-07 04:03:21 -05:00
tst-limits.c
tst-makecontext2.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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tst-makecontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-putenv.c
tst-putenvmod.c
tst-qsort2.c
tst-qsort.c
tst-quick_exit.cc quick_exit tests: Do not use C++ headers 2016-06-09 12:09:43 +02:00
tst-rand48-2.c
tst-rand48.c
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tst-random.c
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tst-setcontext3.sh Make shebang interpreter directives consistent 2016-01-07 04:03:21 -05:00
tst-setcontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-strfmon_l.c strfmon_l: Use specified locale for number formatting [BZ #19633] 2016-04-04 15:18:13 +02:00
tst-strtod2.c
tst-strtod3.c
tst-strtod4.c
tst-strtod5.c
tst-strtod6.c Refactor tst-strtod6.c 2016-05-23 14:13:11 -05:00
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tst-strtod-overflow.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-strtod-round-data
tst-strtod-round-data.h Refactor tst-strtod-round.c for type-generic-ness 2016-05-25 13:33:36 -05:00
tst-strtod-round-skeleton.c Add tst-wcstod-round 2016-08-19 11:17:07 -05:00
tst-strtod-round.c Add tst-wcstod-round 2016-08-19 11:17:07 -05:00
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tst-strtod.h Refactor tst-strtod-round.c for type-generic-ness 2016-05-25 13:33:36 -05:00
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tst-strtol.c Convert 703 function definitions to prototype style. 2015-10-16 20:21:49 +00:00
tst-strtoll.c Convert 703 function definitions to prototype style. 2015-10-16 20:21:49 +00:00
tst-system.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-thread-quick_exit.cc quick_exit tests: Do not use C++ headers 2016-06-09 12:09:43 +02:00
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tst-unsetenv1.c
tst-width-stdint.c Add <stdint.h> integer width macros. 2016-09-21 17:06:36 +00:00
tst-width.c Add <limits.h> integer width macros. 2016-09-19 12:25:36 +00:00
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ucontext.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
udiv_qrnnd.c
Versions Bug 20198: quick_exit should not call destructors. 2016-06-06 21:40:25 -04:00
wcstoimax.c
wcstombs.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
wcstoumax.c
wctomb.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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