Mercurial > hg > octave-lojdl > gnulib-hg
changeset 12247:963fbd66201a
strtod: detect darwin bug
* m4/strtod.m4 (gl_FUNC_STRTOD): Filter out darwin bug on "nan(".
Reported by Leo Davis.
Signed-off-by: Eric Blake <ebb9@byu.net>
| author | Eric Blake <ebb9@byu.net> |
|---|---|
| date | Thu, 05 Nov 2009 20:48:01 -0700 |
| parents | b156d2d1b827 |
| children | 1bc8eb7d006a |
| files | ChangeLog m4/strtod.m4 |
| diffstat | 2 files changed, 13 insertions(+), 1 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2009-11-05 Eric Blake <ebb9@byu.net> + strtod: detect darwin bug + * m4/strtod.m4 (gl_FUNC_STRTOD): Filter out darwin bug on "nan(". + Reported by Leo Davis. + freopen-safer: new module * modules/freopen-safer: New module. * m4/stdio-safer.m4 (gl_FREOPEN_SAFER): New macro.
--- a/m4/strtod.m4 +++ b/m4/strtod.m4 @@ -1,4 +1,4 @@ -# strtod.m4 serial 12 +# strtod.m4 serial 13 dnl Copyright (C) 2002-2003, 2006-2009 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -64,6 +64,14 @@ if (numeric_equal (value, value) || term != (string + 5)) return 1; } + { + /* darwin 10.6.1 misparses "nan(". */ + const char *string = "nan("; + char *term; + double value = strtod (string, &term); + if (numeric_equal (value, value) || term != (string + 3)) + return 1; + } ]])], [gl_cv_func_strtod_works=yes], [gl_cv_func_strtod_works=no],