On Haiku, I see this test failure:
FAIL: test-strtold
==================
../../gltests/test-strtold.h:527: assertion '0.0L < result && result <=
LDBL_MIN' failed
Abort
FAIL test-strtold (exit status: 149)
This patch adds a workaround.
2024-09-01 Bruno Haible <br...@clisp.org>
strtold: Work around a Haiku bug.
* lib/strtod.c (HAVE_UNDERLYING_STRTOD): Set to 0 for 'long double'
parsing on Haiku.
* doc/posix-functions/strtold.texi: Mention the bug.
diff --git a/doc/posix-functions/strtold.texi b/doc/posix-functions/strtold.texi
index 3aada2c405..6a9364862e 100644
--- a/doc/posix-functions/strtold.texi
+++ b/doc/posix-functions/strtold.texi
@@ -61,6 +61,11 @@
@c https://cygwin.com/ml/cygwin/2019-12/msg00072.html
Cygwin 2.9.
+@item
+This function maps denormalized numbers to zero on some platforms:
+@c https://dev.haiku-os.org/ticket/19040
+Haiku 2024.
+
@item
This function leaks memory on mingw 5.0
and allocates an unbounded amount of stack on mingw 9.0.
diff --git a/lib/strtod.c b/lib/strtod.c
index bece59fd68..6c368c458c 100644
--- a/lib/strtod.c
+++ b/lib/strtod.c
@@ -73,6 +73,10 @@
See
<https://github.com/mingw-w64/mingw-w64/commit/450309b97b2e839ea02887dfaf0f1d10fb5d40cc>
and
<https://github.com/mingw-w64/mingw-w64/commit/73806c0709b7e6c0f6587f11a955743670e85470>.
*/
# define HAVE_UNDERLYING_STRTOD 0
+# elif defined __HAIKU__
+ /* Haiku's strtold maps denormalized numbers to zero.
+ <https://dev.haiku-os.org/ticket/19040> */
+# define HAVE_UNDERLYING_STRTOD 0
# else
# define HAVE_UNDERLYING_STRTOD HAVE_STRTOLD
# endif
