+@@ -125,7 +154,7 @@
+ * worries about ungetc buffers and so forth.
+ */
+ static int
+-__sbprintf(FILE *fp, const wchar_t *fmt, va_list ap)
++__sbprintf(FILE *fp, locale_t loc, const wchar_t *fmt, va_list ap)
+ {
+ int ret;
+ FILE fake;
+@@ -144,7 +173,7 @@
+ fake._lbfsize = 0; /* not actually used, but Just In Case */
+
+ /* do the work, then copy any error status */
+- ret = __vfwprintf(&fake, fmt, ap);
++ ret = __vfwprintf(&fake, loc, fmt, ap);
+ if (ret >= 0 && __fflush(&fake))
+ ret = WEOF;
+ if (fake._flags & __SERR)
+@@ -157,7 +186,7 @@
+ * File must already be locked.
+ */
+ static wint_t
+-__xfputwc(wchar_t wc, FILE *fp)
++__xfputwc(wchar_t wc, FILE *fp, locale_t loc)
+ {
+ static const mbstate_t initial;
+ mbstate_t mbs;
+@@ -167,10 +196,10 @@
+ size_t len;
+
+ if ((fp->_flags & __SSTR) == 0)
+- return (__fputwc(wc, fp));
++ return (__fputwc(wc, fp, loc));
+
+ mbs = initial;
+- if ((len = wcrtomb(buf, wc, &mbs)) == (size_t)-1) {
++ if ((len = wcrtomb_l(buf, wc, &mbs, loc)) == (size_t)-1) {
+ fp->_flags |= __SERR;
+ return (WEOF);
+ }
+@@ -350,13 +379,14 @@
+ * that the multibyte char. string ends in a null character.
+ */
+ static wchar_t *
+-__mbsconv(char *mbsarg, int prec)
++__mbsconv(char *mbsarg, int prec, locale_t loc)
+ {
+ static const mbstate_t initial;
+ mbstate_t mbs;
+ wchar_t *convbuf, *wcp;
+ const char *p;
+- size_t insize, nchars, nconv;
++ size_t insize, nchars, nconv = 0;
++ int mb_cur_max = MB_CUR_MAX_L(loc);
+
+ if (mbsarg == NULL)
+ return (NULL);
+@@ -374,7 +404,7 @@
+ insize = nchars = 0;
+ mbs = initial;
+ while (nchars != (size_t)prec) {
+- nconv = mbrlen(p, MB_CUR_MAX, &mbs);
++ nconv = mbrlen_l(p, mb_cur_max, &mbs, loc);
+ if (nconv == 0 || nconv == (size_t)-1 ||
+ nconv == (size_t)-2)
+ break;
+@@ -399,7 +429,7 @@
+ p = mbsarg;
+ mbs = initial;
+ while (insize != 0) {
+- nconv = mbrtowc(wcp, p, insize, &mbs);
++ nconv = mbrtowc_l(wcp, p, insize, &mbs, loc);
+ if (nconv == 0 || nconv == (size_t)-1 || nconv == (size_t)-2)
+ break;
+ wcp++;
+@@ -418,6 +448,8 @@
+ /*
+ * MT-safe version
+ */
++__private_extern__ const char *__fix_nogrouping(const char *);