* libc/include/wchar.h (wcscasecmp, wcsncasecmp): Declare.

	* libc/string/Makefile.am: Add wcscasecmp.c, wcsncasecmp.c
	* libc/stdio/Makefile.in: Regenerate.
	* libc/string/strings.tex: Add new documentation references.
	* libc/string/wcscasecmp.c: New file.
	* libc/string/wcsncasecmp.c: New file.

5 files changed, 165 insertions, 21 deletions

diff --git a/newlib/libc/string/Makefile.am b/newlib/libc/string/Makefile.am
index 1a3433e8d..6e630d3d3 100644
--- a/newlib/libc/string/Makefile.am
+++ b/newlib/libc/string/Makefile.am
@@ -98,7 +98,9 @@ if ELIX_LEVEL_3
 ELIX_4_SOURCES =
 else
 ELIX_4_SOURCES = \
-	memmem.c
+	memmem.c \
+	wcscasecmp.c \
+	wcsncasecmp.c
 endif !ELIX_LEVEL_3
 endif !ELIX_LEVEL_2
 endif !ELIX_LEVEL_1
@@ -127,9 +129,9 @@ memchr.def	strcat.def	strerror.def	strerror_r.def strrchr.def \
 memcmp.def	strchr.def	strlen.def	strnlen.def strspn.def \
 strcasecmp.def	strncasecmp.def strcasestr.def	strlwr.def  strupr.def \
 memccpy.def 	mempcpy.def	stpcpy.def	stpncpy.def \
-wcscat.def	wcschr.def	wcscmp.def	wcscoll.def \
+wcscasecmp.def	wcscat.def	wcschr.def	wcscmp.def wcscoll.def \
 wcscpy.def	wcscspn.def	wcpcpy.def	wcpncpy.def \
-wcslcat.def	wcslcpy.def	wcslen.def	wcsncat.def \
+wcslcat.def	wcslcpy.def	wcslen.def	wcsncasecmp.def wcsncat.def \
 wcsncmp.def	wcsncpy.def	wcsnlen.def	wcspbrk.def \
 wcsrchr.def	wcsspn.def	wcsstr.def 	wcstok.def  \
 wcswidth.def	wcsxfrm.def	wcwidth.def	wmemchr.def \
diff --git a/newlib/libc/string/Makefile.in b/newlib/libc/string/Makefile.in
index f4607e062..c28d000d6 100644
--- a/newlib/libc/string/Makefile.in
+++ b/newlib/libc/string/Makefile.in
@@ -38,6 +38,7 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
+LIBOBJDIR =
 DIST_COMMON = $(srcdir)/../../Makefile.shared $(srcdir)/Makefile.in \
 	$(srcdir)/Makefile.am
 subdir = string
@@ -100,7 +101,9 @@ am__objects_1 = lib_a-bcopy.$(OBJEXT) lib_a-bzero.$(OBJEXT) \
 @ELIX_LEVEL_1_FALSE@	lib_a-strndup_r.$(OBJEXT) \
 @ELIX_LEVEL_1_FALSE@	lib_a-wcpcpy.$(OBJEXT) \
 @ELIX_LEVEL_1_FALSE@	lib_a-wcpncpy.$(OBJEXT)
-@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@am__objects_3 = lib_a-memmem.$(OBJEXT)
+@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@am__objects_3 = lib_a-memmem.$(OBJEXT) \
+@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@	lib_a-wcscasecmp.$(OBJEXT) \
+@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@	lib_a-wcsncasecmp.$(OBJEXT)
 @USE_LIBTOOL_FALSE@am_lib_a_OBJECTS = $(am__objects_1) \
 @USE_LIBTOOL_FALSE@	$(am__objects_2) $(am__objects_3)
 lib_a_OBJECTS = $(am_lib_a_OBJECTS)
@@ -123,7 +126,9 @@ am__objects_4 = bcopy.lo bzero.lo index.lo memchr.lo memcmp.lo \
 @ELIX_LEVEL_1_FALSE@	stpcpy.lo stpncpy.lo strndup.lo \
 @ELIX_LEVEL_1_FALSE@	strcasestr.lo strndup_r.lo wcpcpy.lo \
 @ELIX_LEVEL_1_FALSE@	wcpncpy.lo
-@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@am__objects_6 = memmem.lo
+@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@am__objects_6 = memmem.lo \
+@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@	wcscasecmp.lo \
+@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@	wcsncasecmp.lo
 @USE_LIBTOOL_TRUE@am_libstring_la_OBJECTS = $(am__objects_4) \
 @USE_LIBTOOL_TRUE@	$(am__objects_5) $(am__objects_6)
 libstring_la_OBJECTS = $(am_libstring_la_OBJECTS)
@@ -252,20 +257,8 @@ STRIP = @STRIP@
 USE_LIBTOOL_FALSE = @USE_LIBTOOL_FALSE@
 USE_LIBTOOL_TRUE = @USE_LIBTOOL_TRUE@
 VERSION = @VERSION@
-ac_ct_AR = @ac_ct_AR@
-ac_ct_AS = @ac_ct_AS@
 ac_ct_CC = @ac_ct_CC@
-ac_ct_DLLTOOL = @ac_ct_DLLTOOL@
-ac_ct_DSYMUTIL = @ac_ct_DSYMUTIL@
 ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
-ac_ct_LIPO = @ac_ct_LIPO@
-ac_ct_NMEDIT = @ac_ct_NMEDIT@
-ac_ct_OBJDUMP = @ac_ct_OBJDUMP@
-ac_ct_OTOOL = @ac_ct_OTOOL@
-ac_ct_OTOOL64 = @ac_ct_OTOOL64@
-ac_ct_RANLIB = @ac_ct_RANLIB@
-ac_ct_READELF = @ac_ct_READELF@
-ac_ct_STRIP = @ac_ct_STRIP@
 aext = @aext@
 am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
 am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
@@ -281,6 +274,9 @@ build_cpu = @build_cpu@
 build_os = @build_os@
 build_vendor = @build_vendor@
 datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 extra_dir = @extra_dir@
 host = @host@
@@ -288,12 +284,14 @@ host_alias = @host_alias@
 host_cpu = @host_cpu@
 host_os = @host_os@
 host_vendor = @host_vendor@
+htmldir = @htmldir@
 includedir = @includedir@
 infodir = @infodir@
 install_sh = @install_sh@
 libdir = @libdir@
 libexecdir = @libexecdir@
 libm_machine_dir = @libm_machine_dir@
+localedir = @localedir@
 localstatedir = @localstatedir@
 lpfx = @lpfx@
 lt_ECHO = @lt_ECHO@
@@ -303,8 +301,10 @@ mkdir_p = @mkdir_p@
 newlib_basedir = @newlib_basedir@
 oext = @oext@
 oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
+psdir = @psdir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 subdirs = @subdirs@
@@ -395,7 +395,9 @@ GENERAL_SOURCES = \
 
 @ELIX_LEVEL_1_TRUE@ELIX_2_SOURCES = 
 @ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ELIX_4_SOURCES = \
-@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@	memmem.c
+@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@	memmem.c \
+@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@	wcscasecmp.c \
+@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@	wcsncasecmp.c
 
 @ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_TRUE@ELIX_4_SOURCES = 
 @ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_TRUE@ELIX_4_SOURCES = 
@@ -417,9 +419,9 @@ memchr.def	strcat.def	strerror.def	strerror_r.def strrchr.def \
 memcmp.def	strchr.def	strlen.def	strnlen.def strspn.def \
 strcasecmp.def	strncasecmp.def strcasestr.def	strlwr.def  strupr.def \
 memccpy.def 	mempcpy.def	stpcpy.def	stpncpy.def \
-wcscat.def	wcschr.def	wcscmp.def	wcscoll.def \
+wcscasecmp.def	wcscat.def	wcschr.def	wcscmp.def wcscoll.def \
 wcscpy.def	wcscspn.def	wcpcpy.def	wcpncpy.def \
-wcslcat.def	wcslcpy.def	wcslen.def	wcsncat.def \
+wcslcat.def	wcslcpy.def	wcslen.def	wcsncasecmp.def wcsncat.def \
 wcsncmp.def	wcsncpy.def	wcsnlen.def	wcspbrk.def \
 wcsrchr.def	wcsspn.def	wcsstr.def 	wcstok.def  \
 wcswidth.def	wcsxfrm.def	wcwidth.def	wmemchr.def \
@@ -959,6 +961,18 @@ lib_a-memmem.o: memmem.c
 lib_a-memmem.obj: memmem.c
 	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-memmem.obj `if test -f 'memmem.c'; then $(CYGPATH_W) 'memmem.c'; else $(CYGPATH_W) '$(srcdir)/memmem.c'; fi`
 
+lib_a-wcscasecmp.o: wcscasecmp.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-wcscasecmp.o `test -f 'wcscasecmp.c' || echo '$(srcdir)/'`wcscasecmp.c
+
+lib_a-wcscasecmp.obj: wcscasecmp.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-wcscasecmp.obj `if test -f 'wcscasecmp.c'; then $(CYGPATH_W) 'wcscasecmp.c'; else $(CYGPATH_W) '$(srcdir)/wcscasecmp.c'; fi`
+
+lib_a-wcsncasecmp.o: wcsncasecmp.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-wcsncasecmp.o `test -f 'wcsncasecmp.c' || echo '$(srcdir)/'`wcsncasecmp.c
+
+lib_a-wcsncasecmp.obj: wcsncasecmp.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-wcsncasecmp.obj `if test -f 'wcsncasecmp.c'; then $(CYGPATH_W) 'wcsncasecmp.c'; else $(CYGPATH_W) '$(srcdir)/wcsncasecmp.c'; fi`
+
 mostlyclean-libtool:
 	-rm -f *.lo
 
@@ -966,7 +980,7 @@ clean-libtool:
 	-rm -rf .libs _libs
 
 distclean-libtool:
-	-rm -f libtool
+	-rm -f libtool config.lt
 uninstall-info-am:
 
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
diff --git a/newlib/libc/string/strings.tex b/newlib/libc/string/strings.tex
index 6750f3eb0..0ad6137b6 100644
--- a/newlib/libc/string/strings.tex
+++ b/newlib/libc/string/strings.tex
@@ -46,6 +46,8 @@ managing areas of memory.  The corresponding declarations are in
 * strupr::	Convert string to upper case
 * strxfrm::     Transform string
 * swab::        Swap adjacent bytes
+* wcscasecmp::  Compare wide character strings ignoring case
+* wcsncasecmp:: Compare wide character strings ignoring case
 @end menu
 
 @page
@@ -167,3 +169,9 @@ managing areas of memory.  The corresponding declarations are in
 
 @page
 @include string/swab.def
+
+@page
+@include string/wcscasecmp.def
+
+@page
+@include string/wcsncasecmp.def
diff --git a/newlib/libc/string/wcscasecmp.c b/newlib/libc/string/wcscasecmp.c
new file mode 100644
index 000000000..f9f169f8b
--- /dev/null
+++ b/newlib/libc/string/wcscasecmp.c
@@ -0,0 +1,56 @@
+/*
+FUNCTION
+	<<wcscasecmp>>---case-insensitive wide character string compare
+	
+INDEX
+	wcscasecmp
+
+ANSI_SYNOPSIS
+	#include <wchar.h>
+	int wcscasecmp(const wchar_t *<[a]>, const wchar_t *<[b]>);
+
+TRAD_SYNOPSIS
+	#include <wchar.h>
+	int wcscasecmp(<[a]>, <[b]>)
+	wchar_t *<[a]>;
+	wchar_t *<[b]>;
+
+DESCRIPTION
+	<<wcscasecmp>> compares the wide character string at <[a]> to
+	the wide character string at <[b]> in a case-insensitive manner.
+
+RETURNS 
+
+	If <<*<[a]>>> sorts lexicographically after <<*<[b]>>> (after
+	both are converted to uppercase), <<wcscasecmp>> returns a
+	number greater than zero.  If the two strings match,
+	<<wcscasecmp>> returns zero.  If <<*<[a]>>> sorts
+	lexicographically before <<*<[b]>>>, <<wcscasecmp>> returns a
+	number less than zero.
+
+PORTABILITY
+POSIX-1.2008
+
+<<wcscasecmp>> requires no supporting OS subroutines. It uses
+tolower() from elsewhere in this library.
+
+QUICKREF
+	wcscasecmp 
+*/
+
+#include <wchar.h>
+#include <wctype.h>
+
+int
+_DEFUN (wcscasecmp, (s1, s2),
+	_CONST wchar_t *s1 _AND
+	_CONST wchar_t *s2)
+{
+  while (*s1 != '\0' && towlower(*s1) == towlower(*s2))
+    {
+      s1++;
+      s2++;
+    }
+
+  return towlower(*s1) - towlower(*s2);
+}
diff --git a/newlib/libc/string/wcsncasecmp.c b/newlib/libc/string/wcsncasecmp.c
new file mode 100644
index 000000000..1634ca195
--- /dev/null
+++ b/newlib/libc/string/wcsncasecmp.c
@@ -0,0 +1,64 @@
+/*
+FUNCTION
+	<<wcsncasecmp>>---case-insensitive wide character string compare
+	
+INDEX
+	wcsncasecmp
+
+ANSI_SYNOPSIS
+	#include <wchar.h>
+	int wcsncasecmp(const wchar_t *<[a]>, const wchar_t * <[b]>, size_t <[length]>);
+
+TRAD_SYNOPSIS
+	#include <wchar.h>
+	int wcsncasecmp(<[a]>, <[b]>, <[length]>)
+	wchar_t *<[a]>;
+	wchar_t *<[b]>;
+	size_t <[length]>
+
+DESCRIPTION
+	<<wcsncasecmp>> compares up to <[length]> wide characters
+	from the string at <[a]> to the string at <[b]> in a 
+	case-insensitive manner.
+
+RETURNS
+
+	If <<*<[a]>>> sorts lexicographically after <<*<[b]>>> (after
+	both are converted to uppercase), <<wcsncasecmp>> returns a
+	number greater than zero.  If the two strings are equivalent,
+	<<wcsncasecmp>> returns zero.  If <<*<[a]>>> sorts
+	lexicographically before <<*<[b]>>>, <<wcsncasecmp>> returns a
+	number less than zero.
+
+PORTABILITY
+POSIX-1.2008
+
+<<wcsncasecmp>> requires no supporting OS subroutines. It uses
+tolower() from elsewhere in this library.
+
+QUICKREF
+	wcsncasecmp
+*/
+
+#include <wchar.h>
+#include <wctype.h>
+
+int 
+_DEFUN (wcsncasecmp, (s1, s2, n),
+	_CONST wchar_t *s1 _AND
+	_CONST wchar_t *s2 _AND
+	size_t n)
+{
+  if (n == 0)
+    return 0;
+
+  while (n-- != 0 && towlower(*s1) == towlower(*s2))
+    {
+      if (n == 0 || *s1 == '\0' || *s2 == '\0')
+	break;
+      s1++;
+      s2++;
+    }
+
+  return towlower(*s1) - towlower(*s2);
+}