Add locale aware APIs.

Since we only support the C locale, we can just forward all of these to
their non-locale equivalents for correct behavior.

Change-Id: Ib7be71b7f636309c0cc3be1096a4c1f693f04fbb
diff --git a/libc/bionic/ctype.cpp b/libc/bionic/ctype.cpp
new file mode 100644
index 0000000..3960d9d
--- /dev/null
+++ b/libc/bionic/ctype.cpp
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ * 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.
+ *  * 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 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.
+ */
+
+#include <ctype.h>
+
+int isalnum_l(int c, locale_t) {
+  return isalnum(c);
+}
+
+int isalpha_l(int c, locale_t) {
+  return isalpha(c);
+}
+
+int isascii_l(int c, locale_t) {
+  return isascii(c);
+}
+
+int isblank_l(int c, locale_t) {
+  return isblank(c);
+}
+
+int iscntrl_l(int c, locale_t) {
+  return iscntrl(c);
+}
+
+int isdigit_l(int c, locale_t) {
+  return isdigit(c);
+}
+
+int isgraph_l(int c, locale_t) {
+  return isgraph(c);
+}
+
+int islower_l(int c, locale_t) {
+  return islower(c);
+}
+
+int isprint_l(int c, locale_t) {
+  return isprint(c);
+}
+
+int ispunct_l(int c, locale_t) {
+  return ispunct(c);
+}
+
+int isspace_l(int c, locale_t) {
+  return isspace(c);
+}
+
+int isupper_l(int c, locale_t) {
+  return isupper(c);
+}
+
+int isxdigit_l(int c, locale_t) {
+  return isxdigit(c);
+}
+
+int toupper_l(int c, locale_t) {
+  return toupper(c);
+}
+
+int tolower_l(int c, locale_t) {
+  return tolower(c);
+}
diff --git a/libc/bionic/strcoll_l.cpp b/libc/bionic/strcoll_l.cpp
new file mode 100644
index 0000000..7d7c28b
--- /dev/null
+++ b/libc/bionic/strcoll_l.cpp
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ * 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.
+ *  * 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 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.
+ */
+
+#include <string.h>
+
+int strcoll_l(const char *s1, const char *s2, locale_t) {
+  return strcoll(s1, s2);
+}
diff --git a/libc/bionic/strftime_l.cpp b/libc/bionic/strftime_l.cpp
new file mode 100644
index 0000000..fb01da5
--- /dev/null
+++ b/libc/bionic/strftime_l.cpp
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ * 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.
+ *  * 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 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.
+ */
+
+#include <time.h>
+
+size_t strftime_l(char *s, size_t max, const char *format, const struct tm *tm,
+                  locale_t) {
+  return strftime(s, max, format, tm);
+}
diff --git a/libc/bionic/strtold_l.cpp b/libc/bionic/strtold_l.cpp
new file mode 100644
index 0000000..4b230b9
--- /dev/null
+++ b/libc/bionic/strtold_l.cpp
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ * 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.
+ *  * 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 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.
+ */
+
+#include <stdlib.h>
+
+long double strtold_l(const char *nptr, char **endptr, locale_t) {
+  return strtold(nptr, endptr);
+}
diff --git a/libc/bionic/strtoll_l.cpp b/libc/bionic/strtoll_l.cpp
new file mode 100644
index 0000000..05fb760
--- /dev/null
+++ b/libc/bionic/strtoll_l.cpp
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ * 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.
+ *  * 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 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.
+ */
+
+#include <stdlib.h>
+
+long long strtoll_l(const char *nptr, char **endptr, size_t base, locale_t) {
+  return strtoll(nptr, endptr, base);
+}
diff --git a/libc/bionic/strtoull_l.cpp b/libc/bionic/strtoull_l.cpp
new file mode 100644
index 0000000..ba0bc6a
--- /dev/null
+++ b/libc/bionic/strtoull_l.cpp
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ * 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.
+ *  * 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 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.
+ */
+
+#include <stdlib.h>
+
+unsigned long long strtoull_l(const char *nptr, char **endptr, size_t base,
+                              locale_t) {
+  return strtoull(nptr, endptr, base);
+}
diff --git a/libc/bionic/strxfrm_l.cpp b/libc/bionic/strxfrm_l.cpp
new file mode 100644
index 0000000..afe3b96
--- /dev/null
+++ b/libc/bionic/strxfrm_l.cpp
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ * 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.
+ *  * 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 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.
+ */
+
+#include <string.h>
+
+size_t strxfrm_l(char *dest, const char *src, size_t n, locale_t) {
+  return strxfrm(dest, src, n);
+}
diff --git a/libc/bionic/wchar.cpp b/libc/bionic/wchar.cpp
index acb2761..ecb8b33 100644
--- a/libc/bionic/wchar.cpp
+++ b/libc/bionic/wchar.cpp
@@ -219,3 +219,25 @@
 size_t wcsrtombs(char* dst, const wchar_t** src, size_t len, mbstate_t* ps) {
   return wcsnrtombs(dst, src, SIZE_MAX, len, ps);
 }
+
+int wcscoll_l(const wchar_t *ws1, const wchar_t *ws2, locale_t) {
+  return wcscoll(ws1, ws2);
+}
+
+size_t wcsxfrm_l(wchar_t *dest, const wchar_t *src, size_t n, locale_t) {
+  return wcsxfrm(dest, src, n);
+}
+
+long long wcstoll_l(const wchar_t *nptr, wchar_t **endptr, size_t base,
+                    locale_t) {
+  return wcstoll(nptr, endptr, base);
+}
+
+unsigned long long wcstoull_l(const wchar_t *nptr, wchar_t **endptr,
+                              size_t base, locale_t) {
+  return wcstoull(nptr, endptr, base);
+}
+
+long double wcstold_l(const wchar_t *nptr, wchar_t **endptr, locale_t) {
+  return wcstold(nptr, endptr);
+}
diff --git a/libc/bionic/wctype.cpp b/libc/bionic/wctype.cpp
index 673402d..f2d7861 100644
--- a/libc/bionic/wctype.cpp
+++ b/libc/bionic/wctype.cpp
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <wchar.h>
+#include <wctype.h>
 
 // TODO: these only work for the ASCII range; rewrite to dlsym icu4c? http://b/14499654
 
@@ -46,6 +47,19 @@
 int iswupper(wint_t wc) { return isupper(wc); }
 int iswxdigit(wint_t wc) { return isxdigit(wc); }
 
+int iswalnum_l(wint_t c, locale_t) { return iswalnum(c); }
+int iswalpha_l(wint_t c, locale_t) { return iswalpha(c); }
+int iswblank_l(wint_t c, locale_t) { return iswblank(c); }
+int iswcntrl_l(wint_t c, locale_t) { return iswcntrl(c); }
+int iswdigit_l(wint_t c, locale_t) { return iswdigit(c); }
+int iswgraph_l(wint_t c, locale_t) { return iswgraph(c); }
+int iswlower_l(wint_t c, locale_t) { return iswlower(c); }
+int iswprint_l(wint_t c, locale_t) { return iswprint(c); }
+int iswpunct_l(wint_t c, locale_t) { return iswpunct(c); }
+int iswspace_l(wint_t c, locale_t) { return iswspace(c); }
+int iswupper_l(wint_t c, locale_t) { return iswupper(c); }
+int iswxdigit_l(wint_t c, locale_t) { return iswxdigit(c); }
+
 int iswctype(wint_t wc, wctype_t char_class) {
   switch (char_class) {
     case WC_TYPE_ALNUM: return iswalnum(wc);
@@ -64,9 +78,16 @@
   }
 }
 
+int iswctype_l(wint_t wc, wctype_t char_class, locale_t) {
+  return iswctype(wc, char_class);
+}
+
 wint_t towlower(wint_t wc) { return tolower(wc); }
 wint_t towupper(wint_t wc) { return toupper(wc); }
 
+int towupper_l(int c, locale_t) { return towupper(c); }
+int towlower_l(int c, locale_t) { return towlower(c); }
+
 wctype_t wctype(const char* property) {
   static const char* const  properties[WC_TYPE_MAX] = {
     "<invalid>",
@@ -81,6 +102,10 @@
   return static_cast<wctype_t>(0);
 }
 
+wctype_t wctype_l(const char* property, locale_t) {
+  return wctype(property);
+}
+
 int wcwidth(wchar_t wc) {
   return (wc > 0);
 }