diff options
| -rw-r--r-- | src/mpfr-impl.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/mpfr-impl.h b/src/mpfr-impl.h index bee38a909..42fa3a5b0 100644 --- a/src/mpfr-impl.h +++ b/src/mpfr-impl.h @@ -1210,15 +1210,28 @@ do { \ # endif #endif +/* FIXME: Add support for multibyte decimal_point and thousands_sep since + this can be found in practice: https://reviews.llvm.org/D27167 says: + "I found this problem on FreeBSD 11, where thousands_sep in fr_FR.UTF-8 + is a no-break space (U+00A0)." + Note, however, that this is not allowed by the C standard, which just + says "character" and not "multibyte character". + In the mean time, in case of non-single-byte character, revert to the + default value. */ #if MPFR_LCONV_DPTS #include <locale.h> /* Warning! In case of signed char, the value of MPFR_DECIMAL_POINT may be negative (the ISO C99 does not seem to forbid negative values). */ -#define MPFR_DECIMAL_POINT (localeconv()->decimal_point[0]) -#define MPFR_THOUSANDS_SEPARATOR (localeconv()->thousands_sep[0]) +#define MPFR_DECIMAL_POINT \ + (localeconv()->decimal_point[1] != '\0' ? \ + (char) '.' : localeconv()->decimal_point[0]) +#define MPFR_THOUSANDS_SEPARATOR \ + (localeconv()->thousands_sep[0] == '\0' || \ + localeconv()->thousands_sep[1] != '\0' ? \ + (char) '\0' : localeconv()->thousands_sep[0]) #else #define MPFR_DECIMAL_POINT ((char) '.') -#define MPFR_THOUSANDS_SEPARATOR ('\0') +#define MPFR_THOUSANDS_SEPARATOR ((char) '\0') #endif |