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* libc/locale/locale.c (loadlocale): Handle ISO-8859 and KOI8 charsets 

so that the dashes are optional.  Align documentation.
This commit is contained in:
Corinna Vinschen 2010-02-05 21:24:42 +00:00
parent e7fd08839e
commit 837dda8652
2 changed files with 36 additions and 13 deletions
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5
newlib/ChangeLog
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@ -1,3 +1,8 @@
2010-02-05 Corinna Vinschen <corinna@vinschen.de>
* libc/locale/locale.c (loadlocale): Handle ISO-8859 and KOI8 charsets
so that the dashes are optional. Align documentation.
2010-02-05 Corinna Vinschen <corinna@vinschen.de>
* libc/stdio/vfprintf.c: Include locale.h also if _WANT_IO_C99_FORMATS

44
newlib/libc/locale/locale.c
View File

@ -69,15 +69,14 @@ for instance <<"C.UTF-8">>, which keeps all settings as in the C locale,
but uses the UTF-8 charset.
Even when using POSIX locale strings, the only charsets allowed are
<<"UTF-8">>, <<"JIS">>, <<"EUCJP">>, <<"SJIS">>, <<KOI8-R>>, <<KOI8-U>>,
<<"UTF-8">>, <<"JIS">>, <<"EUCJP">>, <<"SJIS">>, <<"KOI8-R">>, <<"KOI8-U">>,
<<"ISO-8859-x">> with 1 <= x <= 15, or <<"CPxxx">> with xxx in
[437, 720, 737, 775, 850, 852, 855, 857, 858, 862, 866, 874, 932, 1125, 1250,
1251, 1252, 1253, 1254, 1255, 1256, 1257, 1258].
Charsets are case insensitive. For instance, <<"EUCJP">> and <<"eucJP">>
are equivalent. <<"UTF-8">> can also be written without dash, as in
<<"UTF8">> or <<"utf8">>. <<"EUCJP">> and <<"EUCKR"> can also contain a
dash, <<"EUC-JP">> and <<"EUC-KR">>.
are equivalent. Charset names with dashes can also be written without
dashes, as in <<"UTF8">>, <<"iso88591">> or <<"koi8r">>. <<"EUCJP">> and
<<"EUCKR"> are also recognized with dash, <<"EUC-JP">> and <<"EUC-KR">>.
(<<"">> is also accepted; if given, the settings are read from the
corresponding LC_* environment variables and $LANG according to POSIX rules.
@ -448,7 +447,7 @@ loadlocale(struct _reent *p, int category)
char *locale = new_categories[category];
char charset[ENCODING_LEN + 1];
unsigned long val;
char *end;
char *end, *c;
int mbc_max;
int (*l_wctomb) (struct _reent *, char *, wchar_t, const char *, mbstate_t *);
int (*l_mbtowc) (struct _reent *, wchar_t *, const char *, size_t,
@ -479,7 +478,7 @@ loadlocale(struct _reent *p, int category)
strcpy (charset, locale + 2);
else /* POSIX style */
{
char *c = locale;
c = locale;
/* Don't use ctype macros here, they might be localized. */
/* Language */
@ -600,13 +599,26 @@ loadlocale(struct _reent *p, int category)
case 'I':
case 'i':
/* Must be exactly one of ISO-8859-1, [...] ISO-8859-16, except for
ISO-8859-12. */
if (strncasecmp (charset, "ISO-8859-", 9))
ISO-8859-12. This code also recognizes the aliases without dashes. */
if (strncasecmp (charset, "ISO", 3))
return NULL;
strncpy (charset, "ISO", 3);
val = _strtol_r (p, charset + 9, &end, 10);
c = charset + 3;
if (*c == '-')
++c;
if (strncasecmp (c, "8859", 4))
return NULL;
c += 4;
if (*c == '-')
++c;
val = _strtol_r (p, c, &end, 10);
if (val < 1 || val > 16 || val == 12 || *end)
return NULL;
strcpy (charset, "ISO-8859-");
c = charset + 9;
if (val > 10)
*c++ = '1';
*c++ = val % 10 + '0';
*c = '\0';
mbc_max = 1;
#ifdef _MB_CAPABLE
#ifdef _MB_EXTENDED_CHARSETS_ISO
@ -674,9 +686,15 @@ loadlocale(struct _reent *p, int category)
break;
case 'K':
case 'k':
if (!strcasecmp (charset, "KOI8-R"))
/* KOI8-R, KOI8-U and the aliases without dash */
if (strncasecmp (charset, "KOI8", 4))
return NULL;
c = charset + 4;
if (*c == '-')
++c;
if (*c == 'R' || *c == 'r')
strcpy (charset, "CP20866");
else if (!strcasecmp (charset, "KOI8-U"))
else if (*c == 'U' || *c == 'u')
strcpy (charset, "CP21866");
else
return NULL;