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authorTim J. Robbins <tjr@FreeBSD.org>2002-09-22 08:06:45 +0000
committerTim J. Robbins <tjr@FreeBSD.org>2002-09-22 08:06:45 +0000
commit1302dabd28a369708901ba5eb79d0646cc544644 (patch)
tree5ee7bfdb36ea94c32bdd040617940cdebb4326a1
parent04a42d5ee0a27708c0b934aca0a1cddcc7743487 (diff)
downloadsrc-1302dabd28a369708901ba5eb79d0646cc544644.tar.gz
src-1302dabd28a369708901ba5eb79d0646cc544644.zip
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.
Notes
Notes: svn path=/head/; revision=103793
-rw-r--r--include/inttypes.h14
-rw-r--r--include/wchar.h4
-rw-r--r--lib/libc/locale/Makefile.inc8
-rw-r--r--lib/libc/locale/wcstoimax.c128
-rw-r--r--lib/libc/locale/wcstol.351
-rw-r--r--lib/libc/locale/wcstoll.c127
-rw-r--r--lib/libc/locale/wcstoull.c126
-rw-r--r--lib/libc/locale/wcstoumax.c126
8 files changed, 558 insertions, 26 deletions
diff --git a/include/inttypes.h b/include/inttypes.h
index 99841b8f957d..05171a6c9d42 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 e490242c2d93..f322614352f4 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 7a4c5588a8b1..b825465ef2ab 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 000000000000..f145f546d099
--- /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 83bd15a18984..8128c503f8a8 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 000000000000..feddbdfad4bd
--- /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 000000000000..e57a37a13195
--- /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 000000000000..9793ba3098d7
--- /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);
+}