Libc-763.11.tar.gz

[apple/libc.git] / locale / FreeBSD / lnumeric.c.patch

--- lnumeric.c.orig	2009-11-09 15:05:25.000000000 -0800
+++ lnumeric.c	2009-11-09 15:05:25.000000000 -0800
@@ -27,67 +27,103 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD: src/lib/libc/locale/lnumeric.c,v 1.16 2003/06/26 10:46:16 phantom Exp $");
 
+#include "xlocale_private.h"
+
 #include <limits.h>
+#include <string.h>
 
 #include "ldpart.h"
 #include "lnumeric.h"
 
-extern int __nlocale_changed;
 extern const char *__fix_locale_grouping_str(const char *);
 
 #define LCNUMERIC_SIZE (sizeof(struct lc_numeric_T) / sizeof(char *))
 
-static char	numempty[] = { CHAR_MAX, '\0' };
-
 static const struct lc_numeric_T _C_numeric_locale = {
 	".",     	/* decimal_point */
 	"",     	/* thousands_sep */
-	numempty	/* grouping */
+	""		/* grouping [C99 7.11.2.1]*/
 };
 
-static struct lc_numeric_T _numeric_locale;
-static int	_numeric_using_locale;
-static char	*_numeric_locale_buf;
-
-int
-__numeric_load_locale(const char *name)
+__private_extern__ int
+__numeric_load_locale(const char *name, locale_t loc)
 {
 	int ret;
+	struct __xlocale_st_numeric *xp;
+	static struct __xlocale_st_numeric *cache = NULL;
+
+	/* 'name' must be already checked. */
+	if (strcmp(name, "C") == 0 || strcmp(name, "POSIX") == 0) {
+		if (!loc->_numeric_using_locale)
+			return (_LDP_CACHE);
+		loc->_numeric_using_locale = 0;
+		XL_RELEASE(loc->__lc_numeric);
+		loc->__lc_numeric = NULL;
+		loc->__nlocale_changed = 1;
+		return (_LDP_CACHE);
+	}
+
+	if (loc->_numeric_using_locale && strcmp(name, loc->__lc_numeric->_numeric_locale_buf) == 0)
+		return (_LDP_CACHE);
+	/*
+	 * If the locale name is the same as our cache, use the cache.
+	 */
+	if (cache && cache->_numeric_locale_buf && strcmp(name, cache->_numeric_locale_buf) == 0) {
+		loc->_numeric_using_locale = 1;
+		XL_RELEASE(loc->__lc_numeric);
+		loc->__lc_numeric = cache;
+		XL_RETAIN(loc->__lc_numeric);
+		loc->__nlocale_changed = 1;
+		return (_LDP_CACHE);
+	}
+	if ((xp = (struct __xlocale_st_numeric *)malloc(sizeof(*xp))) == NULL)
+		return _LDP_ERROR;
+	xp->__refcount = 1;
+	xp->__free_extra = (__free_extra_t)__ldpart_free_extra;
+	xp->_numeric_locale_buf = NULL;
 
-	ret = __part_load_locale(name, &_numeric_using_locale,
-		&_numeric_locale_buf, "LC_NUMERIC",
+	ret = __part_load_locale(name, &loc->_numeric_using_locale,
+		&xp->_numeric_locale_buf, "LC_NUMERIC",
 		LCNUMERIC_SIZE, LCNUMERIC_SIZE,
-		(const char **)&_numeric_locale);
+		(const char **)&xp->_numeric_locale);
 	if (ret != _LDP_ERROR)
-		__nlocale_changed = 1;
+		loc->__nlocale_changed = 1;
+	else
+		free(xp);
 	if (ret == _LDP_LOADED) {
 		/* Can't be empty according to C99 */
-		if (*_numeric_locale.decimal_point == '\0')
-			_numeric_locale.decimal_point =
+		if (*xp->_numeric_locale.decimal_point == '\0')
+			xp->_numeric_locale.decimal_point =
 			    _C_numeric_locale.decimal_point;
-		_numeric_locale.grouping =
-		    __fix_locale_grouping_str(_numeric_locale.grouping);
+		xp->_numeric_locale.grouping =
+		    __fix_locale_grouping_str(xp->_numeric_locale.grouping);
+		XL_RELEASE(loc->__lc_numeric);
+		loc->__lc_numeric = xp;
+		XL_RELEASE(cache);
+		cache = xp;
+		XL_RETAIN(cache);
 	}
 	return (ret);
 }
 
-struct lc_numeric_T *
-__get_current_numeric_locale(void)
+__private_extern__ struct lc_numeric_T *
+__get_current_numeric_locale(locale_t loc)
 {
-	return (_numeric_using_locale
-		? &_numeric_locale
+	return (loc->_numeric_using_locale
+		? &loc->__lc_numeric->_numeric_locale
 		: (struct lc_numeric_T *)&_C_numeric_locale);
 }
 
 #ifdef LOCALE_DEBUG
 void
 numericdebug(void) {
+locale_t loc = __current_locale();
 printf(	"decimal_point = %s\n"
 	"thousands_sep = %s\n"
 	"grouping = %s\n",
-	_numeric_locale.decimal_point,
-	_numeric_locale.thousands_sep,
-	_numeric_locale.grouping
+	loc->__lc_numeric->_numeric_locale.decimal_point,
+	loc->__lc_numeric->_numeric_locale.thousands_sep,
+	loc->__lc_numeric->_numeric_locale.grouping
 );
 }
 #endif /* LOCALE_DEBUG */