Files
banan-os/userspace/libraries/LibC/locale.cpp
Bananymous 511ab7e99c LibC: Define locale_t as an poiter
A lot of ports seem to depend on this casting nullptr into locale_t
2026-07-20 04:07:23 +03:00

170 lines
3.5 KiB
C++

#include <BAN/Assert.h>
#include <limits.h>
#include <locale.h>
#include <stdio.h>
#include <string.h>
static __locale_t s_locale_posix {
.name = "C",
.encoding = __ENC_ASCII,
};
static __locale_t s_locale_utf8 {
.name = "C.UTF-8",
.encoding = __ENC_UTF8,
};
static locale_t s_current_locales[LC_ALL] {
&s_locale_posix,
&s_locale_posix,
&s_locale_posix,
&s_locale_posix,
&s_locale_posix,
&s_locale_posix,
};
static_assert(LC_ALL == 6);
static locale_t str_to_locale(const char* locale)
{
if (*locale == '\0')
return &s_locale_utf8;
if (strcmp(locale, "C") == 0 || strcmp(locale, "POSIX") == 0)
return &s_locale_posix;
if (strcmp(locale, "C.UTF-8") == 0)
return &s_locale_utf8;
return nullptr;
}
struct lconv* localeconv(void)
{
static lconv lconv;
lconv.currency_symbol = const_cast<char*>("");
lconv.decimal_point = const_cast<char*>(".");
lconv.frac_digits = CHAR_MAX;
lconv.grouping = const_cast<char*>("");
lconv.int_curr_symbol = const_cast<char*>("");
lconv.int_frac_digits = CHAR_MAX;
lconv.int_n_cs_precedes = CHAR_MAX;
lconv.int_n_sep_by_space = CHAR_MAX;
lconv.int_n_sign_posn = CHAR_MAX;
lconv.int_p_cs_precedes = CHAR_MAX;
lconv.int_p_sep_by_space = CHAR_MAX;
lconv.int_p_sign_posn = CHAR_MAX;
lconv.mon_decimal_point = const_cast<char*>("");
lconv.mon_grouping = const_cast<char*>("");
lconv.mon_thousands_sep = const_cast<char*>("");
lconv.negative_sign = const_cast<char*>("");
lconv.n_cs_precedes = CHAR_MAX;
lconv.n_sep_by_space = CHAR_MAX;
lconv.n_sign_posn = CHAR_MAX;
lconv.positive_sign = const_cast<char*>("");
lconv.p_cs_precedes = CHAR_MAX;
lconv.p_sep_by_space = CHAR_MAX;
lconv.p_sign_posn = CHAR_MAX;
lconv.thousands_sep = const_cast<char*>("");
return &lconv;
}
char* setlocale(int category, const char* locale_str)
{
static char s_locale_buffer[128];
if (locale_str == nullptr)
{
switch (category)
{
case LC_COLLATE:
case LC_CTYPE:
case LC_MESSAGES:
case LC_MONETARY:
case LC_NUMERIC:
case LC_TIME:
strcpy(s_locale_buffer, s_current_locales[category]->name);
break;
case LC_ALL:
sprintf(s_locale_buffer, "%s;%s;%s;%s;%s;%s",
s_current_locales[0]->name,
s_current_locales[1]->name,
s_current_locales[2]->name,
s_current_locales[3]->name,
s_current_locales[4]->name,
s_current_locales[5]->name
);
static_assert(LC_ALL == 6);
break;
default:
return nullptr;
}
return s_locale_buffer;
}
locale_t locale = str_to_locale(locale_str);
if (locale == nullptr)
return nullptr;
switch (category)
{
case LC_COLLATE:
case LC_CTYPE:
case LC_MESSAGES:
case LC_MONETARY:
case LC_NUMERIC:
case LC_TIME:
s_current_locales[category] = locale;
break;
case LC_ALL:
for (auto& current : s_current_locales)
current = locale;
break;
default:
return nullptr;
}
strcpy(s_locale_buffer, locale->name);
return s_locale_buffer;
}
locale_t __getlocale(int category)
{
switch (category)
{
case LC_COLLATE:
case LC_CTYPE:
case LC_MESSAGES:
case LC_MONETARY:
case LC_NUMERIC:
case LC_TIME:
return s_current_locales[category];
default:
return nullptr;
}
}
#include <BAN/Debug.h>
locale_t newlocale(int category_mask, const char* locale, locale_t base)
{
(void)category_mask;
(void)locale;
(void)base;
dwarnln("TODO: newlocale");
return nullptr;
}
void freelocale(locale_t locobj)
{
(void)locobj;
dwarnln("TODO: freelocale");
}
locale_t uselocale(locale_t newloc)
{
(void)newloc;
dwarnln("TODO: uselocale");
return nullptr;
}