diff options
Diffstat (limited to 'stdio-common/_i18n_number.h')
| -rw-r--r-- | stdio-common/_i18n_number.h | 57 |
1 files changed, 51 insertions, 6 deletions
diff --git a/stdio-common/_i18n_number.h b/stdio-common/_i18n_number.h index 046657cc28..0043b04470 100644 --- a/stdio-common/_i18n_number.h +++ b/stdio-common/_i18n_number.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2000 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.org>, 2000. @@ -17,18 +17,49 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <wchar.h> +#include <wctype.h> + #include "../locale/outdigits.h" #include "../locale/outdigitswc.h" static CHAR_T * _i18n_number_rewrite (CHAR_T *w, CHAR_T *rear_ptr) { - CHAR_T *src, *s; +#ifdef COMPILE_WPRINTF + wint_t wdecimal = L'\0'; + wint_t wthousands = L'\0'; +# define decimal NULL +# define thousands NULL +#else +# define wdecimal L'\0' +# define wthousands L'\0' + char decimal[MB_LEN_MAX]; + char thousands[MB_LEN_MAX]; +#endif + + /* "to_outpunct" is a map from ASCII decimal point and thousands-sep + to their equivalent in locale. This is defined for locales which + use extra decimal point and thousands-sep. */ + wctrans_t map = __wctrans ("to_outpunct"); + if (map != NULL) + { + mbstate_t state; + memset (&state, '\0', sizeof (state)); + + if (__wcrtomb (decimal, wdecimal, &state) == (size_t) -1) + memcpy (decimal, ".", 2); + + memset (&state, '\0', sizeof (state)); + + if (__wcrtomb (thousands, wthousands, &state) == (size_t) -1) + memcpy (thousands, ",", 2); + } /* Copy existing string so that nothing gets overwritten. */ - src = (CHAR_T *) alloca ((rear_ptr - w) * sizeof (CHAR_T)); - s = (CHAR_T *) __mempcpy (src, w, - (rear_ptr - w) * sizeof (CHAR_T)); + CHAR_T *src = (CHAR_T *) alloca ((rear_ptr - w) * sizeof (CHAR_T)); + CHAR_T *s = (CHAR_T *) __mempcpy (src, w, + (rear_ptr - w) * sizeof (CHAR_T)); w = rear_ptr; /* Process all characters in the string. */ @@ -41,8 +72,22 @@ _i18n_number_rewrite (CHAR_T *w, CHAR_T *rear_ptr) else *--w = (CHAR_T) outdigitwc_value (*s - '0'); } - else + else if (__builtin_expect (map == NULL, 1) || (*s != '.' && *s != ',')) *--w = *s; + else + { + if (sizeof (CHAR_T) == 1) + { + const char *outpunct = *s == '.' ? decimal : thousands; + size_t dlen = strlen (outpunct); + + w -= dlen; + while (dlen-- > 0) + w[dlen] = outpunct[dlen]; + } + else + *--w = *s == '.' ? (CHAR_T) wdecimal : (CHAR_T) wthousands; + } } return w; |