CVS log for src/lib/libc/gdtoa/strtod.c

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Keyword substitution: kv
Default branch: MAIN

Pull up following revision(s) (requested by rin in ticket #749):

	lib/libc/gdtoa/strtod.c: revision 1.19

remove the -O0 force for _int_strtod_l() and GCC 9, it's fixed in GCC 10
and 12.

this was triggering sh3 GCC 12 to fail compiles because of ssp.h's memcpy()
frontend having the always_inline attribute that didn't match -O0 or so.
tested with pkgsrc gcc9 to confirm it hangs there, but newer versions
are fine.

also known as PR#55668, which now has a real fix (gcc 10 :-).

fix vax build (unused variable)

remove the -O0 force for _int_strtod_l() and GCC 9, it's fixed in GCC 10 and 12.

this was triggering sh3 GCC 12 to fail compiles because of ssp.h's memcpy()
frontend having the always_inline attribute that didn't match -O0 or so.

tested with pkgsrc gcc9 to confirm it hangs there, but newer versions are fine.

also known as PR#55668, which now has a real fix (gcc 10 :-).

PR/56148: Andreas Gustafsson: lib/libc/stdio/t_printf:snprintf_float test
randomly fails.
Add checks to all places where lshift is called because it can return NULL

delint

PR/55668: Martin Husemann: Disable optimization to avoid infinite loop.
Also bring in a few changes from the most recent gdtoa code (not relevant
to the bug).

Mostly merge changes from HEAD upto 20200411

Sprinkle some more const in.

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")

resync from head

Provide explicit LC_C_LOCALE accessor and drop the various NULL checks.
Provide LC_GLOBAL_LOCALE in a way that works with all locale functions.
Merge constant data used by the initial global locale and the C locale.
Drop function call layer for _current_locale() and directly return the
locale reference, not a pointer to it. Use protected access for global
variables, so that libc references can avoid the GOT overhead.

Pass locale down to gethex as well.

Add strtof_l, strtod_l and strtold_l.

sync with head

add constcond, make shifts unsigned

A few modifications to make this build for vax:
 * The decpt variable is only used if INFNAN_CHECK, which isn't defined
   for vax.
 * Use a cast to avoid warning about shift of a signed variable.
 * Mark a condition as (potentially) a constant condition.

PR/45989: Martin Husemann: lint invocation does include -w only on i386

- turn lint -w for all the platforms after fixing the lint warnings.
- add _DIAGASSERTS() for casts that would assign values to types that
  would not fit.
- change types, add casts
- change into ansii prototypes
- turn on _DIAGNOSTIC for libc (during current, to be eliminated for release
  builds)

approved by core@

Fix this so that it builds for vax; where the compiler balks at the
mixture of a union and a double in an expression (imagine that!)
I see other similar uses, and how they pass through for other ports
is beyond me, but I have not touched them in this round.

OK'ed by christos@

more de-linting.

Merge the new gdtoa: Note that the built-in tests fail the same way as with
the old gdtoa.

from www.netlib.org

Sync with netbsd-4.

Pull up revisions:
  src/lib/libc/gdtoa/dmisc.c		1.4
  src/lib/libc/gdtoa/gdtoa.c		1.4
  src/lib/libc/gdtoa/gethex.c		1.4
  src/lib/libc/gdtoa/misc.c		1.4
  src/lib/libc/gdtoa/strtof_vaxf.c	1.4-1.5
  src/lib/libc/gdtoa/strtopQ.c		1.4
  src/lib/libc/gdtoa/strtopx.c		1.4
  src/lib/libc/gdtoa/strtopxL.c		1.4
  src/lib/libc/gdtoa/strtord.c		1.4
  src/lib/libc/gdtoa/dtoa.c		1.5
  src/lib/libc/gdtoa/strtod.c		1.5
  src/lib/libc/gdtoa/g_Qfmt.c		1.3
  src/lib/libc/gdtoa/g_xLfmt.c		1.3
  src/lib/libc/gdtoa/g_xfmt.c		1.3
  src/lib/libc/gdtoa/smisc.c		1.3
  src/lib/libc/gdtoa/strtof.c		1.3
  src/lib/libc/gdtoa/strtorQ.c		1.3
  src/lib/libc/gdtoa/strtorx.c		1.3
  src/lib/libc/gdtoa/strtorxL.c		1.3
  src/lib/libc/gdtoa/g_ddfmt.c		1.2
  src/lib/libc/gdtoa/g_dfmt.c		1.2
  src/lib/libc/gdtoa/g_ffmt.c		1.2
  src/lib/libc/gdtoa/strtoIQ.c		1.2
  src/lib/libc/gdtoa/strtoId.c		1.2
  src/lib/libc/gdtoa/strtoIdd.c		1.2
  src/lib/libc/gdtoa/strtoIf.c		1.2
  src/lib/libc/gdtoa/strtoIg.c		1.2
  src/lib/libc/gdtoa/strtoIx.c		1.2
  src/lib/libc/gdtoa/strtoIxL.c		1.2
  src/lib/libc/gdtoa/strtodI.c		1.2
  src/lib/libc/gdtoa/strtodnrp.c	1.2
  src/lib/libc/gdtoa/strtopd.c		1.2
  src/lib/libc/gdtoa/strtopdd.c		1.2
  src/lib/libc/gdtoa/strtopf.c		1.2
  src/lib/libc/gdtoa/strtordd.c		1.2
  src/lib/libc/gdtoa/strtorf.c		1.2
  src/lib/libc/gdtoa/sum.c		1.2
  src/lib/libc/gdtoa/gdtoa.h		1.8
  src/lib/libc/gdtoa/hdtoa.c		1.6
  src/lib/libc/gdtoa/strtodg.c		1.6
  src/lib/libc/stdio/vfwprintf.c	1.12
(requested by mjf ticket #1120).

Don't coredump on out of memory conditions. This solution leaks, but gdtoa
is too complicated to fix. Try printf %99999999999.9999999999f 2

Make this build again.

Pull up revisions:
  src/lib/libc/gdtoa/dmisc.c		1.4
  src/lib/libc/gdtoa/gdtoa.c		1.4
  src/lib/libc/gdtoa/gethex.c		1.4
  src/lib/libc/gdtoa/misc.c		1.4
  src/lib/libc/gdtoa/strtof_vaxf.c	1.4-1.5
  src/lib/libc/gdtoa/strtopQ.c		1.4
  src/lib/libc/gdtoa/strtopx.c		1.4
  src/lib/libc/gdtoa/strtopxL.c		1.4
  src/lib/libc/gdtoa/strtord.c		1.4
  src/lib/libc/gdtoa/dtoa.c		1.5
  src/lib/libc/gdtoa/strtod.c		1.5
  src/lib/libc/gdtoa/g_Qfmt.c		1.3
  src/lib/libc/gdtoa/g_xLfmt.c		1.3
  src/lib/libc/gdtoa/g_xfmt.c		1.3
  src/lib/libc/gdtoa/smisc.c		1.3
  src/lib/libc/gdtoa/strtof.c		1.3
  src/lib/libc/gdtoa/strtorQ.c		1.3
  src/lib/libc/gdtoa/strtorx.c		1.3
  src/lib/libc/gdtoa/strtorxL.c		1.3
  src/lib/libc/gdtoa/g_ddfmt.c		1.2
  src/lib/libc/gdtoa/g_dfmt.c		1.2
  src/lib/libc/gdtoa/g_ffmt.c		1.2
  src/lib/libc/gdtoa/strtoIQ.c		1.2
  src/lib/libc/gdtoa/strtoId.c		1.2
  src/lib/libc/gdtoa/strtoIdd.c		1.2
  src/lib/libc/gdtoa/strtoIf.c		1.2
  src/lib/libc/gdtoa/strtoIg.c		1.2
  src/lib/libc/gdtoa/strtoIx.c		1.2
  src/lib/libc/gdtoa/strtoIxL.c		1.2
  src/lib/libc/gdtoa/strtodI.c		1.2
  src/lib/libc/gdtoa/strtodnrp.c	1.2
  src/lib/libc/gdtoa/strtopd.c		1.2
  src/lib/libc/gdtoa/strtopdd.c		1.2
  src/lib/libc/gdtoa/strtopf.c		1.2
  src/lib/libc/gdtoa/strtordd.c		1.2
  src/lib/libc/gdtoa/strtorf.c		1.2
  src/lib/libc/gdtoa/sum.c		1.2
  src/lib/libc/gdtoa/gdtoa.h		1.8
  src/lib/libc/gdtoa/hdtoa.c		1.6
  src/lib/libc/gdtoa/strtodg.c		1.6
  src/lib/libc/stdio/vfwprintf.c	1.12
(requested by mjf ticket #1120).

Don't coredump on out of memory conditions. This solution leaks, but gdtoa
is too complicated to fix. Try printf %99999999999.9999999999f 2

Make this build again.

Don't coredump on out of memory conditions. This solution leaks, but gdtoa
is too complicated to fix. Try printf %99999999999.9999999999f 2

initialise some variables for gcc.

Add strtof(3) and strtold(3); welcome libc 12.137.

* Pacify compiler; delint.
* Add MI NetBSD definitions.
* Rename IEEE_{8087,MC68k} to IEEE_{LITTLE,BIG}_ENDIAN, as previously
  done in strtod.c.
* Some const poisoning, more to follow.

Import gdtoa-2005-09-23; test suite will be imported separately.

Initial revision