Merge pull request #7 from sba1/wchar-fixes

Wchar fixes

library/GNUmakefile.os4

@@ -29,7 +29,11 @@ RANLIB := ppc-amigaos-ranlib
 COPY := cp -p
 DELETE := rm -rf
 MAKEDIR := mkdir -p
-LOG_COMMAND := 2>&1 | tee -a compiler.log
+# Enabling the LOG_COMMAND has the consequence that a rule will not
+# fail on an error because only the exit status from the tee command
+# will be considered
+#LOG_COMMAND := 2>&1 | tee -a compiler.log
+LOG_COMMAND :=
 # You may need to request a specific compiler version in order to
 # build the baserel versions of the library. At this time of
 # writing (2008-11-06) GCC 4.0.4 and below support the -mbaserel

library/changes

@@ -1,3 +1,11 @@
+c.lib 1.216 (xxx)
+
+- Add some wchar and multbyte-string related functions to allow gcc
+  building a libstdc++ library with wide char support. For now, the
+  functions are mostly stub ones only. They can be implemented on
+  demand.
+
+
 c.lib 1.215 (26.6.2017)
 
 - Added -fno-aggressive-loop-optimizations option when building crtbegin.c

library/include/stddef.h

@@ -61,7 +61,11 @@ extern "C" {
 
 typedef int ptrdiff_t;
 typedef unsigned int size_t;
+
+/* wchar_t is a built-in type in C++ */
+#ifndef __cplusplus
 typedef unsigned short wchar_t;
+#endif
 
 /****************************************************************************/
 

library/include/wchar.h

@@ -43,6 +43,10 @@
 
 /****************************************************************************/
 
+#ifndef _SYS_CLIB2_STDC_H
+#include <sys/clib2_stdc.h>
+#endif /* _SYS_CLIB2_STDC_H */
+
 #ifndef _STDDEF_H
 #include <stddef.h>
 #endif /* _STDDEF_H */
@@ -63,6 +67,10 @@
 #include <locale.h>
 #endif /* _LOCALE_H */
 
+#ifndef _STDINT_H
+#include <stdint.h>
+#endif
+
 /****************************************************************************/
 
 #ifdef __cplusplus
@@ -72,8 +80,6 @@ extern "C" {
 /****************************************************************************/
 
 #define WEOF (-1)
-#define WCHAR_MAX 65535
-#define WCHAR_MIN 0
 
 /****************************************************************************/
 
@@ -164,7 +170,7 @@ extern int swprintf(wchar_t *s, const wchar_t *format, ...);
 
 extern int vfwprintf(FILE *stream,const wchar_t *format,va_list arg);
 extern int vwprintf(const wchar_t *format,va_list arg);
-extern int vswprintf(char *s, const wchar_t *format,va_list arg);
+extern int vswprintf(wchar_t *s, size_t maxlen, const wchar_t *format, va_list arg);
 
 /****************************************************************************/
 
@@ -177,7 +183,7 @@ extern size_t wcsftime(wchar_t *s, size_t maxsize, const wchar_t *format, const
 
 /****************************************************************************/
 
-#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
+#if (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || defined(__cplusplus)
 
 extern size_t mbrlen(const char *restrict s, size_t n, mbstate_t *restrict ps);
 extern size_t mbrtowc(wchar_t *restrict pwc, const char *restrict s, size_t n, mbstate_t *restrict ps);
@@ -186,8 +192,9 @@ extern size_t mbsnrtowcs(wchar_t *restrict dst, const char **restrict src, size_
 extern size_t mbsrtowcs(wchar_t *restrict dst, const char **restrict src, size_t len, mbstate_t *restrict ps);
 
 extern size_t wcrtomb(char *restrict s, wchar_t wc, mbstate_t *restrict ps);
+extern int wcscoll(const wchar_t *ws1, const wchar_t *ws2);
 extern int wcscoll_l(const wchar_t *ws1, const wchar_t *ws2, locale_t loc);
-extern size_t wcscspn(const wchar_t *ws1, const wchar_t *ws2);
+extern size_t wcscspn(const wchar_t *s, const wchar_t *c);
 extern size_t wcsnrtombs(char *restrict dst, const wchar_t **restrict src, size_t nwc, size_t len, mbstate_t *restrict ps);
 extern wchar_t * wcsrchr(const wchar_t *ws, wchar_t wc);
 extern size_t wcsrtombs(char *restrict dst, const wchar_t **restrict src, size_t len, mbstate_t *restrict ps);

library/libc.gmk

@@ -234,6 +234,7 @@ C_LIB := \
 	stdlib_main_stub.o \
 	stdlib_malloc.o \
 	stdlib_math.o \
+	stdlib_mbtowc.o \
 	stdlib_mkdtemp.o \
 	stdlib_mkstemp.o \
 	stdlib_mktemp.o \
@@ -374,7 +375,78 @@ C_LIB := \
 	unistd_unlink.o \
 	unistd_usleep.o \
 	utime_utime.o \
-	utsname_uname.o
+	utsname_uname.o \
+	wchar_btowc.o \
+	wchar_fgetwc.o \
+	wchar_fgetws.o \
+	wchar_fputwc.o \
+	wchar_fputws.o \
+	wchar_fwide.o \
+	wchar_fwprintf.o \
+	wchar_fwscanf.o \
+	wchar_getwc.o \
+	wchar_getwchar.o \
+	wchar_mbrlen.o \
+	wchar_mbrtowc.o \
+	wchar_mbsinit.o \
+	wchar_mbsrtowcs.o \
+	wchar_putwc.o \
+	wchar_putwchar.o \
+	wchar_swprintf.o \
+	wchar_swscanf.o \
+	wchar_ungetwc.o \
+	wchar_vfwprintf.o \
+	wchar_vswprintf.o \
+	wchar_vwprintf.o \
+	wchar_wcrtomb.o \
+	wchar_wcscat.o \
+	wchar_wcschr.o \
+	wchar_wcscmp.o \
+	wchar_wcscpy.o \
+	wchar_wcscspn.o \
+	wchar_wcsftime.o \
+	wchar_wcslen.o \
+	wchar_wcsncat.o \
+	wchar_wcsncmp.o \
+	wchar_wcsncpy.o \
+	wchar_wscoll.o \
+	wchar_wcspbrk.o \
+	wchar_wcsrtombs.o \
+	wchar_wcsspn.o \
+	wchar_wcstod.o \
+	wchar_wcstok.o \
+	wchar_wcstol.o \
+	wchar_wcstoll.o \
+	wchar_wcstoul.o \
+	wchar_wcstoull.o \
+	wchar_wcsxfrm.o \
+	wchar_wctob.o \
+	wchar_wmemchr.o \
+	wchar_wmemcmp.o \
+	wchar_wmemcpy.o \
+	wchar_wmemmove.o \
+	wchar_wmemset.o \
+	wchar_wprintf.o \
+	wchar_wscanf.o \
+	wchar_wscoll.o \
+	wctype_iswalnum.o \
+	wctype_iswalpha.o \
+	wctype_iswblank.o \
+	wctype_iswcntrl.o \
+	wctype_iswctype.o \
+	wctype_iswdigit.o \
+	wctype_iswgraph.o \
+	wctype_iswlower.o \
+	wctype_iswprint.o \
+	wctype_iswpunc.o \
+	wctype_iswspace.o \
+	wctype_iswupper.o \
+	wctype_iswxdigit.o \
+	wctype_towctrans.o \
+	wctype_towlower.o \
+	wctype_towupper.o \
+	wctype_wctrans.o \
+	wctype_wctype.o
 
 ##############################################################################
 

library/stdlib_mbtowc.c

@@ -37,13 +37,13 @@
 
 /****************************************************************************/
 
-#if defined(defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L))
+#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
 
 int
 mbtowc(wchar_t *restrict pwc, const char *restrict s, size_t n)
 {
-	/* ZZZ unimplemented */
-	return(-1);
+	errno = EILSEQ;
+	return -1;
 }
 
 #endif

library/wchar_mbrtowc.c

@@ -0,0 +1,64 @@
+/*
+ * $Id: wchar_mbrlen.c,v 1.3 2006-01-08 12:04:27 obarthel Exp $
+ *
+ * :ts=4
+ *
+ * Portable ISO 'C' (1994) runtime library for the Amiga computer
+ * Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Neither the name of Olaf Barthel nor the names of contributors
+ *     may be used to endorse or promote products derived from this
+ *     software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
+ */
+
+#ifndef _WCHAR_HEADERS_H
+#include "wchar_headers.h"
+#endif /* _WCHAR_HEADERS_H */
+
+/****************************************************************************/
+
+/* Mostly non-working stub based on bionic */
+
+#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
+size_t
+mbrtowc(wchar_t *restrict pwc, const char *restrict s, size_t n, mbstate_t *restrict ps)
+{
+	if (s == NULL)
+	{
+		s = "";
+		pwc = NULL;
+	}
+
+	if (n == 0)
+	{
+		if (pwc)
+			*pwc = 0;
+		return 0;
+	}
+
+	if (pwc)
+		*pwc = *s;
+
+	return (*s != 0);
+}
+#endif /* __STDC_VERSION__ && __STDC_VERSION__ >= 199901L */

library/wchar_mbsinit.c

@@ -40,6 +40,5 @@
 int
 mbsinit(const mbstate_t *ps)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return !ps || !*(unsigned *)ps;
 }

library/wchar_vswprintf.c

@@ -38,7 +38,7 @@
 /****************************************************************************/
 
 int
-vswprintf(char *s, const wchar_t *format,va_list arg)
+vswprintf(wchar_t *s, size_t maxlen, const wchar_t *format, va_list arg)
 {
 	/* ZZZ unimplemented */
 	return(0);

library/wchar_wcscat.c

@@ -35,11 +35,13 @@
 #include "wchar_headers.h"
 #endif /* _WCHAR_HEADERS_H */
 
+/* Implementation based on musl */
+
 /****************************************************************************/
 
 wchar_t *
 wcscat(wchar_t *dest, const wchar_t *src)
 {
-	/* ZZZ unimplemented */
-	return(NULL);
+	wcscpy(dest + wcslen(dest), src);
+	return dest;
 }

library/wchar_wcschr.c

@@ -37,9 +37,12 @@
 
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 wchar_t *
 wcschr(const wchar_t *s, wchar_t c)
 {
-	/* ZZZ unimplemented */
-	return(NULL);
+	if (!c) return (wchar_t *)s + wcslen(s);
+	for (; *s && *s != c; s++);
+	return *s ? (wchar_t *)s : 0;
 }

library/wchar_wcscmp.c

@@ -40,6 +40,6 @@
 int
 wcscmp(const wchar_t *s1, const wchar_t * s2)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	for (; *s1==*s2 && *s1 && *s2; s1++, s2++);
+	return *s1 - *s2;
 }

library/wchar_wcscpy.c

@@ -40,6 +40,7 @@
 wchar_t *
 wcscpy(wchar_t *dest, const wchar_t *src)
 {
-	/* ZZZ unimplemented */
-	return(NULL);
+	wchar_t *a = dest;
+	while ((*dest++ = *src++));
+	return a;
 }

library/wchar_wcscspn.c

@@ -0,0 +1,50 @@
+/*
+ * $Id: wchar_wcsspn.c,v 1.3 2006-01-08 12:04:27 obarthel Exp $
+ *
+ * :ts=4
+ *
+ * Portable ISO 'C' (1994) runtime library for the Amiga computer
+ * Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Neither the name of Olaf Barthel nor the names of contributors
+ *     may be used to endorse or promote products derived from this
+ *     software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
+ */
+
+#ifndef _WCHAR_HEADERS_H
+#include "wchar_headers.h"
+#endif /* _WCHAR_HEADERS_H */
+
+/****************************************************************************/
+
+/* Implementation based on musl */
+
+size_t
+wcscspn(const wchar_t *s, const wchar_t *c)
+{
+	const wchar_t *a;
+	if (!c[0]) return wcslen(s);
+	if (!c[1]) return (s=wcschr(a=s, *c)) ? (size_t)(s-a) : wcslen(a);
+	for (a=s; *s && !wcschr(c, *s); s++);
+	return s-a;
+}

library/wchar_wcslen.c

@@ -37,9 +37,12 @@
 
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 size_t
 wcslen(const wchar_t *s)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	const wchar_t *a;
+	for (a=s; *s; s++);
+	return s-a;
 }

library/wchar_wcsncat.c

@@ -37,9 +37,14 @@
 
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 wchar_t *
 wcsncat(wchar_t *dest, const wchar_t *src, size_t n)
 {
-	/* ZZZ unimplemented */
-	return(NULL);
+	wchar_t *a = dest;
+	dest += wcslen(dest);
+	while (n && *src) n--, *dest++ = *src++;
+	*dest++ = 0;
+	return a;
 }

library/wchar_wcsncmp.c

@@ -37,9 +37,11 @@
 
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 int
 wcsncmp(const wchar_t *s1, const wchar_t *s2, size_t n)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	for (; n && *s1==*s2 && *s1 && *s2; n--, s1++, s2++);
+	return n ? *s1 - *s2 : 0;
 }

library/wchar_wcsncpy.c

@@ -37,9 +37,13 @@
 
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 wchar_t *
 wcsncpy(wchar_t *dest, const wchar_t *src, size_t n)
 {
-	/* ZZZ unimplemented */
-	return(NULL);
+	wchar_t *a = dest;
+	while (n && *src) n--, *dest++ = *src++;
+	wmemset(dest, 0, n);
+	return a;
 }

library/wchar_wcspbrk.c

@@ -37,7 +37,7 @@
 
 /****************************************************************************/
 
-wchar_t
+wchar_t *
 wcspbrk(const wchar_t *s, const wchar_t *set)
 {
 	/* ZZZ unimplemented */

library/wchar_wctob.c

@@ -0,0 +1,45 @@
+/*
+ * $Id: wchar_wmemchr.c,v 1.3 2006-01-08 12:04:27 obarthel Exp $
+ *
+ * :ts=4
+ *
+ * Portable ISO 'C' (1994) runtime library for the Amiga computer
+ * Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Neither the name of Olaf Barthel nor the names of contributors
+ *     may be used to endorse or promote products derived from this
+ *     software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
+ */
+
+#ifndef _WCHAR_HEADERS_H
+#include "wchar_headers.h"
+#endif /* _WCHAR_HEADERS_H */
+
+/****************************************************************************/
+
+int
+wctob(wint_t c)
+{
+	if (c < 128U) return c;
+	return EOF;
+}

library/wchar_wmemchr.c

@@ -37,9 +37,11 @@
 
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 wchar_t *
 wmemchr(const wchar_t *ptr, wchar_t val, size_t len)
 {
-	/* ZZZ unimplemented */
-	return(NULL);
+	for (; len && *ptr != val; len--, ptr++);
+	return len ? (wchar_t *)ptr : 0;
 }

library/wchar_wmemcmp.c

@@ -37,9 +37,11 @@
 
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 int
 wmemcmp(const wchar_t *ptr1, const wchar_t *ptr2, size_t len)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	for (; len && *ptr1==*ptr2; len--, ptr1++, ptr2++);
+	return len ? *ptr1-*ptr2 : 0;
 }

library/wchar_wmemcpy.c

@@ -37,9 +37,12 @@
 
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 wchar_t *
 wmemcpy(wchar_t *dest, const wchar_t *src, size_t len)
 {
-	/* ZZZ unimplemented */
-	return(NULL);
+	wchar_t *a = dest;
+	while (len--) *dest++ = *src++;
+	return a;
 }

library/wchar_wmemmove.c

@@ -37,9 +37,15 @@
 
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 wchar_t *
 wmemmove(wchar_t *dest, const wchar_t * src, size_t len)
 {
-	/* ZZZ unimplemented */
-	return(NULL);
+	wchar_t *d0 = dest;
+	if ((size_t)(dest-src) < len)
+		while (len--) dest[len] = src[len];
+	else
+		while (len--) *dest++ = *src++;
+	return d0;
 }

library/wchar_wmemset.c

@@ -37,9 +37,12 @@
 
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 wchar_t *
 wmemset(wchar_t *ptr, int val, size_t len)
 {
-	/* ZZZ unimplemented */
-	return(NULL);
+	wchar_t *ret = ptr;
+	while (len--) *ptr++ = val;
+	return ret;
 }

library/wctype_iswalnum.c

@@ -37,9 +37,10 @@
 
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 int
 iswalnum(wint_t c)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return iswdigit(c) || iswalpha(c);
 }

library/wctype_iswalpha.c

@@ -35,11 +35,12 @@
 #include <wctype.h>
 #endif /* _WCTYPE_HEADERS_H */
 
+#include <ctype.h>
+
 /****************************************************************************/
 
 int
 iswalpha(wint_t c)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return isalpha(c);
 }

library/wctype_iswblank.c

@@ -35,11 +35,14 @@
 #include <wctype.h>
 #endif /* _WCTYPE_HEADERS_H */
 
+#include <ctype.h>
+
 /****************************************************************************/
 
+/* Implementation based on musl */
+
 int
 iswblank(wint_t c)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return isblank(c);
 }

library/wctype_iswcntrl.c

@@ -35,11 +35,12 @@
 #include <wctype.h>
 #endif /* _WCTYPE_HEADERS_H */
 
+#include <ctype.h>
+
 /****************************************************************************/
 
 int
 iswcntrl(wint_t c)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return iscntrl(c);
 }

library/wctype_iswdigit.c

@@ -35,11 +35,12 @@
 #include <wctype.h>
 #endif /* _WCTYPE_HEADERS_H */
 
+#include <ctype.h>
+
 /****************************************************************************/
 
 int
 iswdigit(wint_t c)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return isdigit(c);
 }

library/wctype_iswgraph.c

@@ -35,11 +35,12 @@
 #include <wctype.h>
 #endif /* _WCTYPE_HEADERS_H */
 
+#include <ctype.h>
+
 /****************************************************************************/
 
 int
 iswgraph(wint_t c)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return isgraph(c);
 }

library/wctype_iswlower.c

@@ -35,11 +35,12 @@
 #include <wctype.h>
 #endif /* _WCTYPE_HEADERS_H */
 
+#include <ctype.h>
+
 /****************************************************************************/
 
 int
 iswlower(wint_t c)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return islower(c);
 }

library/wctype_iswpunc.c

@@ -35,11 +35,12 @@
 #include <wctype.h>
 #endif /* _WCTYPE_HEADERS_H */
 
+#include <ctype.h>
+
 /****************************************************************************/
 
 int
-iswpunc(wint_t c)
+iswpunct(wint_t c)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return ispunct(c);
 }

library/wctype_iswspace.c

@@ -35,11 +35,12 @@
 #include <wctype.h>
 #endif /* _WCTYPE_HEADERS_H */
 
+#include <ctype.h>
+
 /****************************************************************************/
 
 int
 iswspace(wint_t c)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return isspace(c);
 }

library/wctype_iswupper.c

@@ -35,11 +35,12 @@
 #include <wctype.h>
 #endif /* _WCTYPE_HEADERS_H */
 
+#include <ctype.h>
+
 /****************************************************************************/
 
 int
 iswupper(wint_t c)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return isupper(c);
 }

library/wctype_iswxdigit.c

@@ -35,11 +35,12 @@
 #include <wctype.h>
 #endif /* _WCTYPE_HEADERS_H */
 
+#include <ctype.h>
+
 /****************************************************************************/
 
 int
 iswxdigit(wint_t c)
 {
-	/* ZZZ unimplemented */
-	return(0);
+	return isxdigit(c);
 }