Loading...
string/FreeBSD/wcsxfrm.c.patch /dev/null Libc-583
--- /dev/null
+++ Libc/Libc-583/string/FreeBSD/wcsxfrm.c.patch
@@ -0,0 +1,123 @@
+--- wcsxfrm.c.orig	2004-11-25 11:38:47.000000000 -0800
++++ wcsxfrm.c	2005-03-30 15:06:45.000000000 -0800
+@@ -31,23 +31,23 @@
+ #endif
+ __FBSDID("$FreeBSD: src/lib/libc/string/wcsxfrm.c,v 1.3 2004/04/07 09:47:56 tjr Exp $");
+ 
++#include "xlocale_private.h"
++
+ #include <stdlib.h>
+ #include <string.h>
+ #include <wchar.h>
++#include <errno.h>
+ #include "collate.h"
+ 
+-static char *__mbsdup(const wchar_t *);
++#define WCS_XFRM_OFFSET	1
+ 
+-/*
+- * Placeholder wcsxfrm() implementation. See wcscoll.c for a description of
+- * the logic used.
+- */
+ size_t
+-wcsxfrm(wchar_t * __restrict dest, const wchar_t * __restrict src, size_t len)
++wcsxfrm_l(wchar_t * __restrict dest, const wchar_t * __restrict src, size_t len,
++    locale_t loc)
+ {
+-	int prim, sec, l;
+ 	size_t slen;
+-	char *mbsrc, *s, *ss;
++	wchar_t *xf[2];
++	int sverrno;
+ 
+ 	if (*src == L'\0') {
+ 		if (len != 0)
+@@ -55,7 +55,8 @@
+ 		return (0);
+ 	}
+ 
+-	if (__collate_load_error || MB_CUR_MAX > 1) {
++	NORMALIZE_LOCALE(loc);
++	if (loc->__collate_load_error) {
+ 		slen = wcslen(src);
+ 		if (len > 0) {
+ 			if (slen < len)
+@@ -68,49 +69,41 @@
+ 		return (slen);
+ 	}
+ 
+-	mbsrc = __mbsdup(src);
+-	slen = 0;
+-	prim = sec = 0;
+-	ss = s = __collate_substitute(mbsrc);
+-	while (*s != '\0') {
+-		while (*s != '\0' && prim == 0) {
+-			__collate_lookup(s, &l, &prim, &sec);
+-			s += l;
++	__collate_xfrm(src, xf, loc);
++
++	slen = wcslen(xf[0]);
++	if (xf[1])
++		slen += wcslen(xf[1]) + 1;
++	if (len > 0) {
++		wchar_t *w = xf[0];
++		while (len > 1) {
++			if (!*w)
++				break;
++			*dest++ = *w++ + WCS_XFRM_OFFSET;
++			len--;
+ 		}
+-		if (prim != 0) {
+-			if (len > 1) {
+-				*dest++ = (wchar_t)prim;
++		if ((w = xf[1]) != NULL) {
++			if (len > 1)
++				*dest++ = WCS_XFRM_OFFSET;
++			while (len > 1) {
++				if (!*w)
++					break;
++				*dest++ = *w++ + WCS_XFRM_OFFSET;
+ 				len--;
+ 			}
+-			slen++;
+-			prim = 0;
+ 		}
+-	}
+-	free(ss);
+-	free(mbsrc);
+-	if (len != 0)
+-		*dest = L'\0';
+-
++		*dest = 0;
++ 	}
++	sverrno = errno;
++	free(xf[0]);
++	free(xf[1]);
++	errno = sverrno;
++ 
+ 	return (slen);
+ }
+ 
+-static char *
+-__mbsdup(const wchar_t *ws)
++size_t
++wcsxfrm(wchar_t * __restrict dest, const wchar_t * __restrict src, size_t len)
+ {
+-	static const mbstate_t initial;
+-	mbstate_t st;
+-	const wchar_t *wcp;
+-	size_t len;
+-	char *mbs;
+-
+-	wcp = ws;
+-	st = initial;
+-	if ((len = wcsrtombs(NULL, &wcp, 0, &st)) == (size_t)-1)
+-		return (NULL);
+-	if ((mbs = malloc(len + 1)) == NULL)
+-		return (NULL);
+-	st = initial;
+-	wcsrtombs(mbs, &ws, len + 1, &st);
+-
+-	return (mbs);
++	return wcsxfrm_l(dest, src, len, __current_locale());
+ }