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1998-05-12  Ulrich Drepper  <drepper@cygnus.com>

	* wcsmbs/wcsmbsload.c (extract_charset_name): Pass correctly
	formed charset names to getfct.  Let user override charset
	selection by mention charset in locale name.
This commit is contained in:
Ulrich Drepper 1998-05-12 22:42:08 +00:00
parent ee74a442e8
commit 4553f22803
2 changed files with 71 additions and 4 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
1998-05-12 Ulrich Drepper <drepper@cygnus.com>
* wcsmbs/wcsmbsload.c (extract_charset_name): Pass correctly
formed charset names to getfct. Let user override charset
selection by mention charset in locale name.
1998-05-12 12:15 Ulrich Drepper <drepper@cygnus.com>
* posix/glob.c: Move to ...

69
wcsmbs/wcsmbsload.c
View File

@ -19,7 +19,10 @@
#include <langinfo.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <locale/localeinfo.h>
#include <wcsmbsload.h>
#include <bits/libc-lock.h>
#include <iconv/gconv_int.h>
@ -85,6 +88,54 @@ getfct (const char *to, const char *from)
}
/* Extract from the given locale name the character set portion. Since
only the XPG form of the name includes this information we don't have
to take care for the CEN form. */
#define extract_charset_name(str) \
({ \
const char *cp = str; \
char *result = NULL; \
\
while (strchr ("@._+,", *cp) == NULL) \
++cp; \
if (*cp == '.') \
{ \
const char *endp = cp; \
while (*endp != '\0' && *endp != '@') \
++endp; \
if (endp != cp) \
result = strndupa (str, endp - cp); \
} \
result; \
})
/* The gconv functions expects the name to be complete, including the
trailing shashes if necessary. */
#define add_slashes(str) \
({ \
const char *cp = str; \
char *result; \
char *tmp; \
size_t cnt = 0; \
\
while (*cp != '\0') \
if (*cp++ == '/') \
++cnt; \
\
result = alloca (cp - str + 3); \
tmp = __mempcpy (result, str, cp - str); \
if (cnt < 2) \
{ \
*tmp++ = '/'; \
if (cnt < 1) \
*tmp++ = '/'; \
} \
*tmp = '\0'; \
result; \
})
/* Load conversion functions for the currently selected locale. */
void
__wcsmbs_load_conv (const struct locale_data *new_category)
@ -109,12 +160,22 @@ __wcsmbs_load_conv (const struct locale_data *new_category)
{
/* We must find the real functions. */
const char *charset_name;
const char *complete_name;
/* Get name of charset of the locale. */
charset_name = new_category->values[_NL_ITEM_INDEX(CODESET)].string;
/* Get name of charset of the locale. We first examine
whether we have a character set mentioned in the locale
name. If this isn't the case we use the information from
the locale files. */
charset_name = extract_charset_name (setlocale (LC_CTYPE, NULL));
if (charset_name == NULL)
charset_name =
new_category->values[_NL_ITEM_INDEX(CODESET)].string;
__wcsmbs_gconv_fcts.tomb = getfct (charset_name, "INTERNAL");
__wcsmbs_gconv_fcts.towc = getfct ("INTERNAL", charset_name);
/* Add the slashes necessary for a complete lookup. */
complete_name = add_slashes (charset_name);
__wcsmbs_gconv_fcts.tomb = getfct (complete_name, "INTERNAL");
__wcsmbs_gconv_fcts.towc = getfct ("INTERNAL", complete_name);
/* If any of the conversion functions is not available we don't
use any since this would mean we cannot convert back and