Implement newlocale, freelocale, duplocale, uselocale

Add global const __C_locale for reference purposes.

Bump Cygwin API minor number and DLL major version number to 2.6.0.

Signed-off by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2016-07-22 22:54:07 +02:00
parent d4f6cae9cd
commit aefd8b5b51
4 changed files with 274 additions and 9 deletions

View File

@ -65,15 +65,25 @@ struct lconv
char int_p_sign_posn;
};
#ifndef _REENT_ONLY
char *_EXFUN(setlocale,(int category, const char *locale));
struct lconv *_EXFUN(localeconv,(void));
#endif
struct _reent;
char *_EXFUN(_setlocale_r,(struct _reent *, int category, const char *locale));
char *_EXFUN(_setlocale_r,(struct _reent *, int, const char *));
struct lconv *_EXFUN(_localeconv_r,(struct _reent *));
locale_t _newlocale_r (struct _reent *, int, const char *, locale_t);
void _freelocale_r (struct _reent *, locale_t);
locale_t _duplocale_r (struct _reent *, locale_t);
locale_t _uselocale_r (struct _reent *, locale_t);
#ifndef _REENT_ONLY
char *_EXFUN(setlocale,(int, const char *));
struct lconv *_EXFUN(localeconv,(void));
locale_t newlocale (int, const char *, locale_t);
void freelocale (locale_t);
locale_t duplocale (locale_t);
locale_t uselocale (locale_t);
#endif
_END_STD_C
#endif /* _LOCALE_H_ */

View File

@ -226,6 +226,34 @@ static char *categories[_LC_LAST] = {
*/
char __default_locale[ENCODING_LEN + 1] = DEFAULT_LOCALE;
const struct __locale_t __C_locale =
{
{ "C", "C", "C", "C", "C", "C", "C", },
__ascii_wctomb,
__ascii_mbtowc,
0,
NULL,
#ifndef __HAVE_LOCALE_INFO__
"\1",
"ASCII",
"ASCII",
#else
{
{ NULL, NULL }, /* LC_ALL */
#ifdef __CYGWIN__
{ &_C_collate_locale, NULL }, /* LC_COLLATE */
#else
{ NULL, NULL }, /* LC_COLLATE */
#endif
{ &_C_ctype_locale, NULL }, /* LC_CTYPE */
{ &_C_monetary_locale, NULL }, /* LC_MONETARY */
{ &_C_numeric_locale, NULL }, /* LC_NUMERIC */
{ &_C_time_locale, NULL }, /* LC_TIME */
{ &_C_messages_locale, NULL }, /* LC_MESSAGES */
},
#endif
};
struct __locale_t __global_locale =
{
{ "C", "C", DEFAULT_LOCALE, "C", "C", "C", "C", },
@ -1008,6 +1036,205 @@ _DEFUN (_localeconv_r, (data),
return (struct lconv *) &lconv;
}
#define LC_VALID_MASK (LC_COLLATE_MASK | LC_CTYPE_MASK | LC_MONETARY_MASK \
| LC_NUMERIC_MASK | LC_TIME_MASK | LC_MESSAGES_MASK)
struct __locale_t *
_newlocale_r (struct _reent *p, int category_mask, const char *locale,
struct __locale_t *base)
{
struct __locale_t tmp_locale, *new_locale;
int i;
/* Convert LC_ALL_MASK to a mask containing all valid MASK values.
This simplifies the code below. */
if (category_mask & LC_ALL_MASK)
{
category_mask &= ~LC_ALL_MASK;
category_mask |= LC_VALID_MASK;
}
/* Check for invalid mask values and valid locale ptr. */
if (category_mask & ~LC_VALID_MASK || !locale)
{
p->_errno = EINVAL;
return NULL;
}
/* If the new locale is supposed to be all default locale, just return
a pointer to the default locale. */
if ((!base && category_mask == 0)
|| (category_mask == LC_VALID_MASK
&& (!strcmp (locale, "C") || !strcmp (locale, "POSIX"))))
return (struct __locale_t *) &__C_locale;
/* Start with setting all values to the default locale values. */
tmp_locale = __C_locale;
/* Fill out category strings. */
if (!*locale)
{
for (i = 1; i < _LC_LAST; ++i)
if (((1 << i) & category_mask) != 0)
{
const char *env = __get_locale_env (p, i);
if (strlen (env) > ENCODING_LEN)
{
p->_errno = EINVAL;
return NULL;
}
strcpy (tmp_locale.categories[i], env);
}
}
else
{
for (i = 1; i < _LC_LAST; ++i)
if (((1 << i) & category_mask) != 0)
strcpy (tmp_locale.categories[i], locale);
}
/* Now go over all categories and set them. */
for (i = 1; i < _LC_LAST; ++i)
{
if (((1 << i) & category_mask) != 0)
{
/* Nothing to do for "C"/"POSIX" locale. */
if (!strcmp (tmp_locale.categories[i], "C")
|| !strcmp (tmp_locale.categories[i], "POSIX"))
continue;
/* If the new locale is the old locale, just copy it over. */
if (base && !strcmp (base->categories[i], tmp_locale.categories[i]))
{
if (i == LC_CTYPE)
{
tmp_locale.wctomb = base->wctomb;
tmp_locale.mbtowc = base->mbtowc;
tmp_locale.cjk_lang = base->cjk_lang;
tmp_locale.ctype_ptr - base->ctype_ptr;
}
#ifdef __HAVE_LOCALE_INFO__
tmp_locale.lc_cat[i].ptr = base->lc_cat[i].ptr;
/* Mark the value as "has still to be copied". We do this in
two steps to simplify freeing new locale types in case of a
subsequent error. */
tmp_locale.lc_cat[i].buf = (void *) -1;
#else
if (i == LC_CTYPE)
strcpy (tmp_locale.ctype_codeset, base->ctype_codeset);
else if (i == LC_MESSAGES)
strcpy (tmp_locale.message_codeset, base->message_codeset);
#endif
continue;
}
/* Otherwise load locale data. */
if (!loadlocale (&tmp_locale, i, tmp_locale.categories[i]))
goto error;
}
}
/* Allocate new locale_t. */
new_locale = (struct __locale_t *) _calloc_r (p, 1, sizeof *new_locale);
if (!new_locale)
goto error;
#ifdef __HAVE_LOCALE_INFO__
/* Second step of copying over. At this point we can safely copy. Make
sure to invalidate the copied buffer pointers in base, so a subsequent
freelocale (base) doesn't free the buffers now used in the new locale. */
for (i = 1; i < _LC_LAST; ++i)
if (tmp_locale.lc_cat[i].buf == (const void *) -1)
{
tmp_locale.lc_cat[i].buf = base->lc_cat[i].buf;
base->lc_cat[i].buf = NULL;
}
#endif
*new_locale = tmp_locale;
return new_locale;
error:
/* An error occured while we had already (potentially) allocated memory.
Free memory and return NULL. errno is supposed to be set already. */
#ifdef __HAVE_LOCALE_INFO__
for (i = 1; i < _LC_LAST; ++i)
if (tmp_locale.lc_cat[i].buf
&& tmp_locale.lc_cat[i].buf != (const void *) -1)
_free_r (p, tmp_locale.lc_cat[i].buf);
#endif
return NULL;
}
void
_freelocale_r (struct _reent *p, struct __locale_t *locobj)
{
/* Sanity check. The "C" locale is static, don't try to free it. */
if (!locobj || locobj == &__C_locale || locobj == LC_GLOBAL_LOCALE)
return;
#ifdef __HAVE_LOCALE_INFO__
for (int i = 1; i < _LC_LAST; ++i)
if (locobj->lc_cat[i].buf)
_free_r (p, locobj->lc_cat[i].buf);
#endif
_free_r (p, locobj);
}
struct __locale_t *
_duplocale_r (struct _reent *p, struct __locale_t *locobj)
{
struct __locale_t tmp_locale, *new_locale;
int i;
/* LC_GLOBAL_LOCALE denotes the global locale. */
if (locobj == LC_GLOBAL_LOCALE)
locobj = __get_global_locale ();
/* The "C" locale is used statically, never copied. */
else if (locobj == &__C_locale)
return (struct __locale_t *) &__C_locale;
/* Copy locale content. */
tmp_locale = *locobj;
#ifdef __HAVE_LOCALE_INFO__
for (i = 1; i < _LC_LAST; ++i)
if (locobj->lc_cat[i].buf)
{
/* If the object is not a "C" locale category, copy it. Just call
loadlocale. It knows what to do to replicate the category. */
tmp_locale.lc_cat[i].ptr = NULL;
tmp_locale.lc_cat[i].buf = NULL;
if (!loadlocale (&tmp_locale, i, tmp_locale.categories[i]))
goto error;
}
#endif
/* Allocate new locale_t. */
new_locale = (struct __locale_t *) _calloc_r (p, 1, sizeof *new_locale);
if (!new_locale)
goto error;
*new_locale = tmp_locale;
return new_locale;
error:
/* An error occured while we had already (potentially) allocated memory.
Free memory and return NULL. errno is supposed to be set already. */
#ifdef __HAVE_LOCALE_INFO__
while (--i > 0)
if (tmp_locale.lc_cat[i].buf)
_free_r (p, tmp_locale.lc_cat[i].buf);
#endif
return NULL;
}
struct __locale_t *
_uselocale_r (struct _reent *p, struct __locale_t *newloc)
{
struct __locale_t *current_locale;
current_locale = __get_locale_r (p);
if (!current_locale)
current_locale = LC_GLOBAL_LOCALE;
if (newloc == LC_GLOBAL_LOCALE)
p->_locale = NULL;
else if (newloc)
p->_locale = newloc;
return current_locale;
}
#ifndef _REENT_ONLY
char *
@ -1024,4 +1251,27 @@ _DEFUN_VOID (localeconv)
return _localeconv_r (_REENT);
}
struct __locale_t *
newlocale (int category_mask, const char *locale, struct __locale_t *base)
{
return _newlocale_r (_REENT, category_mask, locale, base);
}
void
freelocale (struct __locale_t *locobj)
{
_freelocale_r (_REENT, locobj);
}
struct __locale_t *
duplocale (struct __locale_t *locobj)
{
return _duplocale_r (_REENT, locobj);
}
struct __locale_t *
uselocale (struct __locale_t *newloc)
{
return _uselocale_r (_REENT, newloc);
}
#endif

View File

@ -381,6 +381,7 @@ dreml= remainderl NOSIGFE
dup SIGFE
dup2 SIGFE
dup3 SIGFE
duplocale SIGFE
eaccess = euidaccess SIGFE
ecvt SIGFE
ecvtbuf SIGFE
@ -536,6 +537,7 @@ fread_unlocked SIGFE
free SIGFE
freeaddrinfo = cygwin_freeaddrinfo SIGFE
freeifaddrs SIGFE
freelocale SIGFE
fremovexattr SIGFE
freopen SIGFE
frexp NOSIGFE
@ -900,6 +902,7 @@ nanosleep SIGFE
nearbyint NOSIGFE
nearbyintf NOSIGFE
nearbyintl NOSIGFE
newlocale SIGFE
nextafter NOSIGFE
nextafterf NOSIGFE
nextafterl NOSIGFE
@ -1417,6 +1420,7 @@ unlockpt NOSIGFE
unsetenv SIGFE
updwtmp SIGFE
updwtmpx SIGFE
uselocale SIGFE
usleep SIGFE
utime SIGFE
utimensat SIGFE

View File

@ -10,8 +10,8 @@ details. */
the Cygwin shared library". This version is used to track important
changes to the DLL and is mainly informative in nature. */
#define CYGWIN_VERSION_DLL_MAJOR 2005
#define CYGWIN_VERSION_DLL_MINOR 3
#define CYGWIN_VERSION_DLL_MAJOR 2006
#define CYGWIN_VERSION_DLL_MINOR 0
/* Major numbers before CYGWIN_VERSION_DLL_EPOCH are incompatible. */
@ -454,12 +454,13 @@ details. */
nexttowardf, nexttowardl, pow10l, powl, remainderl, remquol, roundl,
scalbl, scalblnl, scalbnl, sincosl, sinhl, sinl, tanhl, tanl,
tgammal, truncl.
298: newlocale, freelocale, duplocale, uselocale.
Note that we forgot to bump the api for ualarm, strtoll, strtoull,
sigaltstack, sethostname. */
#define CYGWIN_VERSION_API_MAJOR 0
#define CYGWIN_VERSION_API_MINOR 297
#define CYGWIN_VERSION_API_MINOR 298
/* There is also a compatibity version number associated with the shared memory
regions. It is incremented when incompatible changes are made to the shared