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-rw-r--r--include/wctype.h1
-rw-r--r--lib/libc/locale/Makefile.inc4
-rw-r--r--lib/libc/locale/nextwctype.358
-rw-r--r--lib/libc/locale/nextwctype.c90
4 files changed, 151 insertions, 2 deletions
diff --git a/include/wctype.h b/include/wctype.h
index 3e2f694..330b5ed 100644
--- a/include/wctype.h
+++ b/include/wctype.h
@@ -85,6 +85,7 @@ wint_t iswnumber(wint_t);
wint_t iswphonogram(wint_t);
wint_t iswrune(wint_t);
wint_t iswspecial(wint_t);
+wint_t nextwctype(wint_t, wctype_t);
#endif
__END_DECLS
diff --git a/lib/libc/locale/Makefile.inc b/lib/libc/locale/Makefile.inc
index a3b85b3..1e8a363 100644
--- a/lib/libc/locale/Makefile.inc
+++ b/lib/libc/locale/Makefile.inc
@@ -9,7 +9,7 @@ SRCS+= big5.c btowc.c collate.c collcmp.c euc.c fix_grouping.c frune.c \
ldpart.c lmessages.c lmonetary.c lnumeric.c localeconv.c mblen.c \
mbrlen.c \
mbrtowc.c mbrune.c mbsinit.c mbsrtowcs.c mbtowc.c mbstowcs.c \
- mskanji.c nl_langinfo.c nomacros.c none.c rune.c \
+ mskanji.c nextwctype.c nl_langinfo.c nomacros.c none.c rune.c \
runetype.c setinvalidrune.c setlocale.c setrunelocale.c srune.c \
table.c \
tolower.c toupper.c utf2.c utf8.c wcrtomb.c wcsrtombs.c wcsftime.c \
@@ -27,7 +27,7 @@ MAN+= btowc.3 \
mbrtowc.3 \
mbrune.3 mbsinit.3 \
mbsrtowcs.3 mbstowcs.3 mbtowc.3 multibyte.3 \
- nl_langinfo.3 \
+ nextwctype.3 nl_langinfo.3 \
rune.3 \
setlocale.3 toascii.3 tolower.3 toupper.3 towlower.3 towupper.3 \
wcsftime.3 \
diff --git a/lib/libc/locale/nextwctype.3 b/lib/libc/locale/nextwctype.3
new file mode 100644
index 0000000..2d9acd1
--- /dev/null
+++ b/lib/libc/locale/nextwctype.3
@@ -0,0 +1,58 @@
+.\"
+.\" Copyright (c) 2004 Tim J. Robbins
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd July 8, 2004
+.Dt NEXTWCTYPE 3
+.Os
+.Sh NAME
+.Nm nextwctype
+.Nd "iterate through character classes"
+.Sh LIBRARY
+.Lb libc
+.Sh SYNOPSIS
+.In wctype.h
+.Ft wint_t
+.Fo nextwctype
+.Fa "wint_t ch" "wctype_t wct"
+.Fc
+.Sh DESCRIPTION
+The
+.Fn nextwctype
+function determines the next character after
+.Fa ch
+that is a member of character class
+.Fa wct .
+If
+.Fa ch
+is \-1, the search begins at the first member of
+.Fa wct .
+.Sh RETURN VALUES
+The
+.Fn nextwctype
+functions returns the next character, or \-1 if there are no more.
+.Sh SEE ALSO
+.Xr wctype 3
diff --git a/lib/libc/locale/nextwctype.c b/lib/libc/locale/nextwctype.c
new file mode 100644
index 0000000..9363b0a
--- /dev/null
+++ b/lib/libc/locale/nextwctype.c
@@ -0,0 +1,90 @@
+/*-
+ * Copyright (c) 2004 Tim J. Robbins.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
+__FBSDID("$FreeBSD$");
+
+#include <runetype.h>
+#include <wchar.h>
+#include <wctype.h>
+
+wint_t
+nextwctype(wint_t wc, wctype_t wct)
+{
+ size_t lim;
+ _RuneRange *rr = &_CurrentRuneLocale->__runetype_ext;
+ _RuneEntry *base, *re;
+ int noinc;
+
+ noinc = 0;
+ if (wc < _CACHED_RUNES) {
+ wc++;
+ while (wc < _CACHED_RUNES) {
+ if (_CurrentRuneLocale->__runetype[wc] & wct)
+ return (wc);
+ wc++;
+ }
+ wc--;
+ }
+ if (rr->__ranges != NULL && wc < rr->__ranges[0].__min) {
+ wc = rr->__ranges[0].__min;
+ noinc = 1;
+ }
+
+ /* Binary search -- see bsearch.c for explanation. */
+ base = rr->__ranges;
+ for (lim = rr->__nranges; lim != 0; lim >>= 1) {
+ re = base + (lim >> 1);
+ if (re->__min <= wc && wc <= re->__max)
+ goto found;
+ else if (wc > re->__max) {
+ base = re + 1;
+ lim--;
+ }
+ }
+ return (-1);
+found:
+ if (!noinc)
+ wc++;
+ if (re->__min <= wc && wc <= re->__max) {
+ if (re->__types != NULL) {
+ for (; wc <= re->__max; wc++)
+ if (re->__types[wc - re->__min] & wct)
+ return (wc);
+ } else if (re->__map & wct)
+ return (wc);
+ }
+ while (++re < rr->__ranges + rr->__nranges) {
+ wc = re->__min;
+ if (re->__types != NULL) {
+ for (; wc <= re->__max; wc++)
+ if (re->__types[wc - re->__min] & wct)
+ return (wc);
+ } else if (re->__map & wct)
+ return (wc);
+ }
+ return (-1);
+}
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