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7ea630865e
freebsd-nq/lib/libc/stdlib
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Robert Drehmel 7ea630865e Define `Sudden_Underflow' when compiling for the Alpha 
architecture, mainly to avoid getting a SIGFPE signal sent
when calling strtod(3) with certain input.

The SIGFPE has been sent because the code was not aware that
a Gradual Underflow is handled in software via traps on the
Alpha architecture, but is not implemented in our Alpha kernel
layer.

With `Sudden_Underflow' defined, strtod(3) should not depend
on Gradual Underflow and adjust its calculations accordingly,
which means that other, more subtle errors than the sending of
SIGFPE could be solved by this.

Discussed with:	bde
PR:		alpha/12623
PR:		alpha/17032
PR:		alpha/43567
MFC after:	7 days
2002-11-14 17:06:01 +00:00
..
_Exit.c Implement C99's _Exit() interface. 2002-09-10 02:04:49 +00:00
abort.3 Detail thread-safe and async-cancel-safe status. 2001-09-09 18:52:00 +00:00
abort.c Fix some comments. 2002-07-10 16:35:02 +00:00
abs.3 o Implement imaxabs(), imaxdiv(), llabs(), lldiv(). 2001-11-15 02:05:03 +00:00
abs.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
alloca.3 Move to using .In instead of .Fd #include <> for include mark-up. 2001-09-07 14:46:36 +00:00
atexit.3 Include some verbage about not calling exit() from functions registered 2002-09-06 19:23:28 +00:00
atexit.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
atexit.h Fix the style of the SCM ID's. 2002-03-22 23:42:05 +00:00
atof.3 mdoc(7) police: add missing markup bits for ``errno''. 2002-01-09 14:03:54 +00:00
atof.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
atoi.3 mdoc(7) police: add missing markup bits for ``errno''. 2002-01-09 14:03:54 +00:00
atoi.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
atol.3 mdoc(7) police: add missing markup bits for ``errno''. 2002-01-09 14:03:54 +00:00
atol.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
atoll.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
bsearch.3 Move to using .In instead of .Fd #include <> for include mark-up. 2001-09-07 14:46:36 +00:00
bsearch.c Remove __P() usage. 2002-03-21 22:49:10 +00:00
calloc.c Nonexistent SIZE_MAX -> SIZE_T_MAX 2002-08-04 04:11:48 +00:00
div.3 o Implement imaxabs(), imaxdiv(), llabs(), lldiv(). 2001-11-15 02:05:03 +00:00
div.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
exit.3 Implement C99's _Exit() interface. 2002-09-10 02:04:49 +00:00
exit.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
getenv.3 Move to using .In instead of .Fd #include <> for include mark-up. 2001-09-07 14:46:36 +00:00
getenv.c Remove __P() usage. 2002-03-21 22:49:10 +00:00
getopt_long.3 Add getopt_long(3). 2002-09-29 04:14:37 +00:00
getopt_long.c de-__P() 2002-10-16 22:18:42 +00:00
getopt.3 Move to using .In instead of .Fd #include <> for include mark-up. 2001-09-07 14:46:36 +00:00
getopt.c Do not use __progname directly (except in [gs]etprogname(3)). 2002-03-29 22:43:43 +00:00
getsubopt.3 Move to using .In instead of .Fd #include <> for include mark-up. 2001-09-07 14:46:36 +00:00
getsubopt.c Remove 'register' keyword. 2002-03-21 18:49:23 +00:00
hcreate.3 mdoc(7) police: eliminate -ww warnings. 2001-07-09 15:54:36 +00:00
hcreate.c Remove improper use of <namespace.h> 2002-06-27 13:18:27 +00:00
heapsort.c Remove __P() usage. 2002-03-21 22:49:10 +00:00
imaxabs.3 mdoc(7) police: fixed typos and minor markup nits. 2001-11-21 16:19:50 +00:00
imaxabs.c o Implement imaxabs(), imaxdiv(), llabs(), lldiv(). 2001-11-15 02:05:03 +00:00
imaxdiv.3 mdoc(7) police: fixed typos and minor markup nits. 2001-11-21 16:19:50 +00:00
imaxdiv.c o Implement imaxabs(), imaxdiv(), llabs(), lldiv(). 2001-11-15 02:05:03 +00:00
insque.3 - Remove the old insque() and remque() functions and their manual 2002-10-16 14:00:46 +00:00
insque.c Remove unneeded $FreeBSD$ tags. 2002-10-16 14:05:29 +00:00
labs.3 o Implement imaxabs(), imaxdiv(), llabs(), lldiv(). 2001-11-15 02:05:03 +00:00
labs.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
ldiv.3 o Implement imaxabs(), imaxdiv(), llabs(), lldiv(). 2001-11-15 02:05:03 +00:00
ldiv.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
llabs.3 mdoc(7) police: fixed typos and minor markup nits. 2001-11-21 16:19:50 +00:00
llabs.c o Implement imaxabs(), imaxdiv(), llabs(), lldiv(). 2001-11-15 02:05:03 +00:00
lldiv.3 mdoc(7) police: fixed typos and minor markup nits. 2001-11-21 16:19:50 +00:00
lldiv.c o Implement imaxabs(), imaxdiv(), llabs(), lldiv(). 2001-11-15 02:05:03 +00:00
lsearch.3 - Remove the lsearch() and lfind() functions and their manpage from 2002-10-16 14:29:23 +00:00
lsearch.c - Remove the lsearch() and lfind() functions and their manpage from 2002-10-16 14:29:23 +00:00
Makefile.inc - Remove the lsearch() and lfind() functions and their manpage from 2002-10-16 14:29:23 +00:00
malloc.3 Clarify the bit about realloc() and its `ptr' argument a bit. 2002-06-06 22:11:19 +00:00
malloc.c s/EDOFUS/EDOOFUS/ 2002-08-21 17:11:00 +00:00
memory.3 Move to using .In instead of .Fd #include <> for include mark-up. 2001-09-07 14:46:36 +00:00
merge.c Remove __P() usage. 2002-03-21 22:49:10 +00:00
putenv.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
qsort_r.c Implement C99's _Exit() interface. 2002-09-10 02:04:49 +00:00
qsort.3 Implement C99's _Exit() interface. 2002-09-10 02:04:49 +00:00
qsort.c Implement C99's _Exit() interface. 2002-09-10 02:04:49 +00:00
radixsort.3 Move to using .In instead of .Fd #include <> for include mark-up. 2001-09-07 14:46:36 +00:00
radixsort.c Remove multi-line __P() usage. 2002-03-22 09:22:15 +00:00
rand.3 Move to using .In instead of .Fd #include <> for include mark-up. 2001-09-07 14:46:36 +00:00
rand.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
random.3 Move to using .In instead of .Fd #include <> for include mark-up. 2001-09-07 14:46:36 +00:00
random.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
reallocf.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
realpath.3 Move to using .In instead of .Fd #include <> for include mark-up. 2001-09-07 14:46:36 +00:00
realpath.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
remque.c Remove unneeded $FreeBSD$ tags. 2002-10-16 14:05:29 +00:00
setenv.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
strfmon.3 Document the kind of format string strfmon() expects. Sync the Errors 2002-10-11 23:17:17 +00:00
strfmon.c Fix a typo causing incorrect formatting for negative values in some locales 2002-10-12 04:38:35 +00:00
strhash.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
strtod.3 Add cross-references to wide character versions of these functions. 2002-10-10 04:31:57 +00:00
strtod.c Define `Sudden_Underflow' when compiling for the Alpha 2002-11-14 17:06:01 +00:00
strtoimax.c Style: One space between "restrict" qualifier and "*". 2002-09-06 11:24:06 +00:00
strtol.3 Add cross-references to wide character versions of these functions. 2002-10-10 04:31:57 +00:00
strtol.c Style: One space between "restrict" qualifier and "*". 2002-09-06 11:24:06 +00:00
strtoll.c Style: One space between "restrict" qualifier and "*". 2002-09-06 11:24:06 +00:00
strtoq.c - Add the 'restrict' qualifier to the function prototypes and 2002-08-15 09:25:04 +00:00
strtoul.3 Add cross-references to wide character versions of these functions. 2002-10-10 04:31:57 +00:00
strtoul.c Style: One space between "restrict" qualifier and "*". 2002-09-06 11:24:06 +00:00
strtoull.c Style: One space between "restrict" qualifier and "*". 2002-09-06 11:24:06 +00:00
strtoumax.c Style: One space between "restrict" qualifier and "*". 2002-09-06 11:24:06 +00:00
strtouq.c - Add the 'restrict' qualifier to the function prototypes and 2002-08-15 09:25:04 +00:00
system.3 Remove spurious period. 2002-05-27 03:45:27 +00:00
system.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
tdelete.c Style: One space between "restrict" qualifier and "*". 2002-09-06 11:24:06 +00:00
tfind.c Add missing const qualifier in tfind(). 2002-10-03 06:33:33 +00:00
tsearch.3 Add missing const qualifier in tfind(). 2002-10-03 06:33:33 +00:00
tsearch.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00
twalk.c Fix the style of the SCM ID's. 2002-03-22 21:53:29 +00:00