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authorRich Felker <dalias@aerifal.cx>2015-05-27 03:22:52 -0400
committerRich Felker <dalias@aerifal.cx>2015-05-27 03:27:59 -0400
commit61a3364d246e72b903da8b76c2e27a225a51351e (patch)
tree8845c8e1798280285b6f0b27244d978eb602c300 /src/locale/duplocale.c
parent63c188ec42e76ff768e81f6b65b11c68fc43351e (diff)
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overhaul locale internals to treat categories roughly uniformly
previously, LC_MESSAGES was treated specially as the only category
which could be set to a locale name without a definition file, in
order to facilitate gettext message translations when no libc locale
was available. LC_NUMERIC was completely un-settable, and LC_CTYPE
stored a flag intended to be used for a possible future byte-based C
locale, instead of storing a __locale_map pointer like the other
categories use.

this patch changes all categories to be represented by pointers to
__locale_map structures, and allows locale names without definition
files to be treated as valid locales with trivial definition when used
in any category. outwardly visible functional changes should be minor,
limited mainly to the strings read back from setlocale and the way
gettext handles translations in categories other than LC_MESSAGES.

various internal refactoring has also been performed, and improvements
in const correctness have been made.
Diffstat (limited to 'src/locale/duplocale.c')
-rw-r--r--src/locale/duplocale.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/src/locale/duplocale.c b/src/locale/duplocale.c
index b87c933e..030b64cb 100644
--- a/src/locale/duplocale.c
+++ b/src/locale/duplocale.c
@@ -5,17 +5,10 @@
 
 locale_t __duplocale(locale_t old)
 {
-	locale_t new = calloc(1, sizeof *new + LOCALE_NAME_MAX + 1);
+	locale_t new = malloc(sizeof *new);
 	if (!new) return 0;
-	new->messages_name = (void *)(new+1);
-
 	if (old == LC_GLOBAL_LOCALE) old = &libc.global_locale;
-	new->ctype_utf8 = old->ctype_utf8;
-	if (old->messages_name)
-		strcpy(new->messages_name, old->messages_name);
-
-	for (size_t i=0; i<sizeof new->cat/sizeof new->cat[0]; i++)
-		new->cat[i] = old->cat[i];
+	*new = *old;
 	return new;
 }