Add the remaining C99 wide character string to integer conversion functions.

Restrict qualifiers were added to the existing prototypes in <inttypes.h>
and the typedef for wchar_t was removed.

8 files changed, 558 insertions, 26 deletions

diff --git a/include/inttypes.h b/include/inttypes.h
index 99841b8..05171a6 100644
--- a/include/inttypes.h
+++ b/include/inttypes.h
@@ -32,13 +32,6 @@
 #include <machine/_inttypes.h>
 #include <sys/stdint.h>
 
-#ifndef	__cplusplus
-#ifndef _WCHAR_T_DECLARED
-typedef	__wchar_t	wchar_t;
-#define	_WCHAR_T_DECLARED
-#endif
-#endif
-
 typedef struct {
 	intmax_t	quot;		/* Quotient. */
 	intmax_t	rem;		/* Remainder. */
@@ -50,9 +43,10 @@ imaxdiv_t	imaxdiv(intmax_t, intmax_t) __pure2;
 
 intmax_t	strtoimax(const char * __restrict, char ** __restrict, int);
 uintmax_t	strtoumax(const char * __restrict, char ** __restrict, int);
-/* XXX: The following functions are missing the restrict type qualifier. */
-intmax_t	wcstoimax(const wchar_t *, wchar_t **, int);
-uintmax_t	wcstoumax(const wchar_t *, wchar_t **, int);
+intmax_t	wcstoimax(const __wchar_t * __restrict,
+		    __wchar_t ** __restrict, int);
+uintmax_t	wcstoumax(const __wchar_t * __restrict,
+		    __wchar_t ** __restrict, int);
 __END_DECLS
 
 #endif /* !_INTTYPES_H_ */
diff --git a/include/wchar.h b/include/wchar.h
index e490242..f322614 100644
--- a/include/wchar.h
+++ b/include/wchar.h
@@ -154,8 +154,12 @@ double	wcstod(const wchar_t * __restrict, wchar_t ** __restrict);
 wchar_t	*wcstok(wchar_t * __restrict, const wchar_t * __restrict,
 	    wchar_t ** __restrict);
 long	 wcstol(const wchar_t * __restrict, wchar_t ** __restrict, int);
+long long
+	wcstoll(const wchar_t * __restrict, wchar_t ** __restrict, int);
 unsigned long
 	 wcstoul(const wchar_t * __restrict, wchar_t ** __restrict, int);
+unsigned long long
+	 wcstoull(const wchar_t * __restrict, wchar_t ** __restrict, int);
 wchar_t	*wmemchr(const wchar_t *, wchar_t, size_t);
 int	wmemcmp(const wchar_t *, const wchar_t *, size_t);
 wchar_t	*wmemcpy(wchar_t * __restrict, const wchar_t * __restrict, size_t);
diff --git a/lib/libc/locale/Makefile.inc b/lib/libc/locale/Makefile.inc
index 7a4c558..b825465 100644
--- a/lib/libc/locale/Makefile.inc
+++ b/lib/libc/locale/Makefile.inc
@@ -12,9 +12,10 @@ SRCS+=	big5.c btowc.c collate.c collcmp.c euc.c fix_grouping.c frune.c \
 	mskanji.c nl_langinfo.c nomacros.c none.c rune.c \
 	runetype.c setinvalidrune.c setlocale.c setrunelocale.c table.c \
 	tolower.c toupper.c utf2.c wcrtomb.c wcsrtombs.c wcsftime.c wcstod.c \
-	wcstol.c \
+	wcstoimax.c wcstol.c wcstoll.c \
 	wcstombs.c \
-	wcstoul.c wctob.c wctomb.c wctrans.c wctype.c wcwidth.c
+	wcstoul.c wcstoull.c wcstoumax.c wctob.c wctomb.c wctrans.c wctype.c \
+	wcwidth.c
 
 .if ${LIB} == "c"
 MAN+=	btowc.3 \
@@ -48,7 +49,8 @@ MLINKS+=rune.3 fgetrune.3 rune.3 fputrune.3 rune.3 fungetrune.3 \
 	rune.3 sputrune.3
 MLINKS+=setlocale.3 localeconv.3
 MLINKS+=towlower.3 towupper.3
-MLINKS+=wcstol.3 wcstoul.3
+MLINKS+=wcstol.3 wcstoul.3 wcstol.3 wcstoll.3 wcstol.3 wcstoull.3 \
+	wcstol.3 wcstoimax.3 wcstol.3 wcstoumax.3
 MLINKS+=wctrans.3 towctrans.3
 MLINKS+=wctype.3 iswctype.3
 .endif
diff --git a/lib/libc/locale/wcstoimax.c b/lib/libc/locale/wcstoimax.c
new file mode 100644
index 0000000..f145f54
--- /dev/null
+++ b/lib/libc/locale/wcstoimax.c
@@ -0,0 +1,128 @@
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#if 0
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "from @(#)strtol.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+__FBSDID("FreeBSD: src/lib/libc/stdlib/strtoimax.c,v 1.8 2002/09/06 11:23:59 tjr Exp ");
+#endif
+__FBSDID("$FreeBSD$");
+
+#include <errno.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include <wctype.h>
+
+/*
+ * Convert a wide character string to a intmax_t integer.
+ */
+intmax_t
+wcstoimax(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr,
+    int base)
+{
+	const wchar_t *s;
+	uintmax_t acc;
+	wchar_t c;
+	uintmax_t cutoff;
+	int neg, any, cutlim;
+
+	/*
+	 * See strtoimax for comments as to the logic used.
+	 */
+	s = nptr;
+	do {
+		c = *s++;
+	} while (iswspace(c));
+	if (c == L'-') {
+		neg = 1;
+		c = *s++;
+	} else {
+		neg = 0;
+		if (c == L'+')
+			c = *s++;
+	}
+	if ((base == 0 || base == 16) &&
+	    c == L'0' && (*s == L'x' || *s == L'X')) {
+		c = s[1];
+		s += 2;
+		base = 16;
+	}
+	if (base == 0)
+		base = c == L'0' ? 8 : 10;
+	acc = any = 0;
+	if (base < 2 || base > 36)
+		goto noconv;
+
+	cutoff = neg ? (uintmax_t)-(INTMAX_MIN + INTMAX_MAX) + INTMAX_MAX
+	    : INTMAX_MAX;
+	cutlim = cutoff % base;
+	cutoff /= base;
+	for ( ; ; c = *s++) {
+#ifdef notyet
+		if (iswdigit(c))
+			c = digittoint(c);
+		else
+#endif
+		if (c >= L'0' && c <= L'9')
+			c -= L'0';
+		else if (c >= L'A' && c <= L'Z')
+			c -= L'A' - 10;
+		else if (c >= 'a' && c <= 'z')
+			c -= L'a' - 10;
+		else
+			break;
+		if (c >= base)
+			break;
+		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+			any = -1;
+		else {
+			any = 1;
+			acc *= base;
+			acc += c;
+		}
+	}
+	if (any < 0) {
+		acc = neg ? INTMAX_MIN : INTMAX_MAX;
+		errno = ERANGE;
+	} else if (!any) {
+noconv:
+		errno = EINVAL;
+	} else if (neg)
+		acc = -acc;
+	if (endptr != NULL)
+		*endptr = (wchar_t *)(any ? s - 1 : nptr);
+	return (acc);
+}
diff --git a/lib/libc/locale/wcstol.3 b/lib/libc/locale/wcstol.3
index 83bd15a..8128c50 100644
--- a/lib/libc/locale/wcstol.3
+++ b/lib/libc/locale/wcstol.3
@@ -28,11 +28,17 @@
 .Dt WCSTOL 3
 .Os
 .Sh NAME
-.Nm wcstol , wcstoul
+.Nm wcstol , wcstoul ,
+.Nm wcstoll , wcstoull ,
+.Nm wcstoimax , wcstoumax
 .Nd "convert a wide character string value to a"
-.Vt long
+.Vt long ,
+.Vt "unsigned long" ,
+.Vt "long long" ,
+.Vt "unsigned long long" ,
+.Vt intmax_t
 or
-.Vt "unsigned long"
+.Vt uintmax_t
 integer
 .Sh LIBRARY
 .Lb libc
@@ -42,28 +48,47 @@ integer
 .Fn wcstol "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" "int base"
 .Ft "unsigned long"
 .Fn wcstoul "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" "int base"
+.Ft "long long"
+.Fn wcstoll "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" "int base"
+.Ft "unsigned long long"
+.Fn wcstoull "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" "int base"
+.In inttypes.h
+.Ft intmax_t
+.Fn wcstoimax "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" "int base"
+.Ft uintmax_t
+.Fn wcstoumax "const wchar_t * restrict nptr" "wchar_t ** restrict endptr" "int base"
 .Sh DESCRIPTION
 The
-.Fn wcstol
+.Fn wcstol ,
+.Fn wcstoul ,
+.Fn wcstoll ,
+.Fn wcstoull ,
+.Fn wcstoimax
 and
-.Fn wcstoul
+.Fn wcstoumax
 functions are wide-character versions of the
-.Fn strtol
+.Fn strtol ,
+.Fn strtoul ,
+.Fn strtoll ,
+.Fn strtoull ,
+.Fn strtoimax
 and
-.Fn strtoul
+.Fn strtoumax
 functions.
-Refer to
-.Xr strtol 3
-and
-.Xr strtoul 3
+Refer to their manual pages (for example
+.Xr strtol 3 )
 for details.
 .Sh SEE ALSO
 .Xr strtol 3 ,
 .Xr strtoul 3
 .Sh STANDARDS
 The
-.Fn wcstol
+.Fn wcstol ,
+.Fn wcstoul ,
+.Fn wcstoll ,
+.Fn wcstoull ,
+.Fn wcstoimax
 and
-.Fn wcstoul
+.Fn wcstoumax
 functions conform to
 .St -isoC-99 .
diff --git a/lib/libc/locale/wcstoll.c b/lib/libc/locale/wcstoll.c
new file mode 100644
index 0000000..feddbdf
--- /dev/null
+++ b/lib/libc/locale/wcstoll.c
@@ -0,0 +1,127 @@
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#if 0
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)strtoq.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+__FBSDID("FreeBSD: src/lib/libc/stdlib/strtoll.c,v 1.19 2002/09/06 11:23:59 tjr Exp ");
+#endif
+__FBSDID("$FreeBSD$");
+
+#include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include <wctype.h>
+
+/*
+ * Convert a wide character string to a long long integer.
+ */
+long long
+wcstoll(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr, int base)
+{
+	const wchar_t *s;
+	unsigned long long acc;
+	wchar_t c;
+	unsigned long long cutoff;
+	int neg, any, cutlim;
+
+	/*
+	 * See strtoll for comments as to the logic used.
+	 */
+	s = nptr;
+	do {
+		c = *s++;
+	} while (iswspace(c));
+	if (c == L'-') {
+		neg = 1;
+		c = *s++;
+	} else {
+		neg = 0;
+		if (c == L'+')
+			c = *s++;
+	}
+	if ((base == 0 || base == 16) &&
+	    c == L'0' && (*s == L'x' || *s == L'X')) {
+		c = s[1];
+		s += 2;
+		base = 16;
+	}
+	if (base == 0)
+		base = c == L'0' ? 8 : 10;
+	acc = any = 0;
+	if (base < 2 || base > 36)
+		goto noconv;
+
+	cutoff = neg ? (unsigned long long)-(LLONG_MIN + LLONG_MAX) + LLONG_MAX
+	    : LLONG_MAX;
+	cutlim = cutoff % base;
+	cutoff /= base;
+	for ( ; ; c = *s++) {
+#ifdef notyet
+		if (iswdigit(c))
+			c = digittoint(c);
+		else
+#endif
+		if (c >= L'0' && c <= L'9')
+			c -= L'0';
+		else if (c >= L'A' && c <= L'Z')
+			c -= L'A' - 10;
+		else if (c >= L'a' && c <= L'z')
+			c -= L'a' - 10;
+		else
+			break;
+		if (c >= base)
+			break;
+		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+			any = -1;
+		else {
+			any = 1;
+			acc *= base;
+			acc += c;
+		}
+	}
+	if (any < 0) {
+		acc = neg ? LLONG_MIN : LLONG_MAX;
+		errno = ERANGE;
+	} else if (!any) {
+noconv:
+		errno = EINVAL;
+	} else if (neg)
+		acc = -acc;
+	if (endptr != NULL)
+		*endptr = (wchar_t *)(any ? s - 1 : nptr);
+	return (acc);
+}
diff --git a/lib/libc/locale/wcstoull.c b/lib/libc/locale/wcstoull.c
new file mode 100644
index 0000000..e57a37a
--- /dev/null
+++ b/lib/libc/locale/wcstoull.c
@@ -0,0 +1,126 @@
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#if 0
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)strtouq.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+__FBSDID("FreeBSD: src/lib/libc/stdlib/strtoull.c,v 1.18 2002/09/06 11:23:59 tjr Exp ");
+#endif
+__FBSDID("$FreeBSD$");
+
+#include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include <wctype.h>
+
+/*
+ * Convert a wide character string to an unsigned long long integer.
+ */
+unsigned long long
+wcstoull(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr,
+    int base)
+{
+	const wchar_t *s;
+	unsigned long long acc;
+	wchar_t c;
+	unsigned long long cutoff;
+	int neg, any, cutlim;
+
+	/*
+	 * See strtoull for comments as to the logic used.
+	 */
+	s = nptr;
+	do {
+		c = *s++;
+	} while (iswspace(c));
+	if (c == L'-') {
+		neg = 1;
+		c = *s++;
+	} else {
+		neg = 0;
+		if (c == L'+')
+			c = *s++;
+	}
+	if ((base == 0 || base == 16) &&
+	    c == L'0' && (*s == L'x' || *s == L'X')) {
+		c = s[1];
+		s += 2;
+		base = 16;
+	}
+	if (base == 0)
+		base = c == L'0' ? 8 : 10;
+	acc = any = 0;
+	if (base < 2 || base > 36)
+		goto noconv;
+
+	cutoff = ULLONG_MAX / base;
+	cutlim = ULLONG_MAX % base;
+	for ( ; ; c = *s++) {
+#ifdef notyet
+		if (iswdigit(c))
+			c = digittoint(c);
+		else
+#endif
+		if (c >= L'0' && c <= L'9')
+			c -= L'0';
+		else if (c >= L'A' && c <= L'Z')
+			c -= L'A' - 10;
+		else if (c >= L'a' && c <= L'z')
+			c -= L'a' - 10;
+		else
+			break;
+		if (c >= base)
+			break;
+		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+			any = -1;
+		else {
+			any = 1;
+			acc *= base;
+			acc += c;
+		}
+	}
+	if (any < 0) {
+		acc = ULLONG_MAX;
+		errno = ERANGE;
+	} else if (!any) {
+noconv:
+		errno = EINVAL;
+	} else if (neg)
+		acc = -acc;
+	if (endptr != NULL)
+		*endptr = (wchar_t *)(any ? s - 1 : nptr);
+	return (acc);
+}
diff --git a/lib/libc/locale/wcstoumax.c b/lib/libc/locale/wcstoumax.c
new file mode 100644
index 0000000..9793ba3
--- /dev/null
+++ b/lib/libc/locale/wcstoumax.c
@@ -0,0 +1,126 @@
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#if 0
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "from @(#)strtoul.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+__FBSDID("FreeBSD: src/lib/libc/stdlib/strtoumax.c,v 1.8 2002/09/06 11:23:59 tjr Exp ");
+#endif
+__FBSDID("$FreeBSD$");
+
+#include <errno.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include <wctype.h>
+
+/*
+ * Convert a wide character string to a uintmax_t integer.
+ */
+uintmax_t
+wcstoumax(const wchar_t * __restrict nptr, wchar_t ** __restrict endptr,
+    int base)
+{
+	const wchar_t *s;
+	uintmax_t acc;
+	wchar_t c;
+	uintmax_t cutoff;
+	int neg, any, cutlim;
+
+	/*
+	 * See strtoimax for comments as to the logic used.
+	 */
+	s = nptr;
+	do {
+		c = *s++;
+	} while (iswspace(c));
+	if (c == L'-') {
+		neg = 1;
+		c = *s++;
+	} else {
+		neg = 0;
+		if (c == L'+')
+			c = *s++;
+	}
+	if ((base == 0 || base == 16) &&
+	    c == L'0' && (*s == L'x' || *s == L'X')) {
+		c = s[1];
+		s += 2;
+		base = 16;
+	}
+	if (base == 0)
+		base = c == L'0' ? 8 : 10;
+	acc = any = 0;
+	if (base < 2 || base > 36)
+		goto noconv;
+
+	cutoff = UINTMAX_MAX / base;
+	cutlim = UINTMAX_MAX % base;
+	for ( ; ; c = *s++) {
+#ifdef notyet
+		if (iswdigit(c))
+			c = digittoint(c);
+		else
+#endif
+		if (c >= L'0' && c <= L'9')
+			c -= L'0';
+		else if (c >= L'A' && c <= L'Z')
+			c -= L'A' - 10;
+		else if (c >= L'a' && c <= L'z')
+			c -= L'a' - 10;
+		else
+			break;
+		if (c >= base)
+			break;
+		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+			any = -1;
+		else {
+			any = 1;
+			acc *= base;
+			acc += c;
+		}
+	}
+	if (any < 0) {
+		acc = UINTMAX_MAX;
+		errno = ERANGE;
+	} else if (!any) {
+noconv:
+		errno = EINVAL;
+	} else if (neg)
+		acc = -acc;
+	if (endptr != NULL)
+		*endptr = (wchar_t *)(any ? s - 1 : nptr);
+	return (acc);
+}