[libc] Add ctype.h locale variants

libc/config/gpu/entrypoints.txt

@@ -4,21 +4,35 @@ set(TARGET_LIBC_ENTRYPOINTS
 
     # ctype.h entrypoints
     libc.src.ctype.isalnum
+    libc.src.ctype.isalnum_l
     libc.src.ctype.isalpha
+    libc.src.ctype.isalpha_l
     libc.src.ctype.isascii
     libc.src.ctype.isblank
+    libc.src.ctype.isblank_l
     libc.src.ctype.iscntrl
+    libc.src.ctype.iscntrl_l
     libc.src.ctype.isdigit
+    libc.src.ctype.isdigit_l
     libc.src.ctype.isgraph
+    libc.src.ctype.isgraph_l
     libc.src.ctype.islower
+    libc.src.ctype.islower_l
     libc.src.ctype.isprint
+    libc.src.ctype.isprint_l
     libc.src.ctype.ispunct
+    libc.src.ctype.ispunct_l
     libc.src.ctype.isspace
+    libc.src.ctype.isspace_l
     libc.src.ctype.isupper
+    libc.src.ctype.isupper_l
     libc.src.ctype.isxdigit
+    libc.src.ctype.isxdigit_l
     libc.src.ctype.toascii
     libc.src.ctype.tolower
+    libc.src.ctype.tolower_l
     libc.src.ctype.toupper
+    libc.src.ctype.toupper_l
 
     # string.h entrypoints
     libc.src.string.bcmp
@@ -231,6 +245,15 @@ set(TARGET_LIBC_ENTRYPOINTS
     # wchar.h entrypoints
     libc.src.wchar.wctob
 
+    # locale.h entrypoints
+    libc.src.locale.localeconv
+    libc.src.locale.duplocale
+    libc.src.locale.freelocale
+    libc.src.locale.localeconv
+    libc.src.locale.newlocale
+    libc.src.locale.setlocale
+    libc.src.locale.uselocale
+
     # gpu/rpc.h entrypoints
     libc.src.gpu.rpc_host_call
 )

libc/config/gpu/headers.txt

@@ -16,6 +16,7 @@ set(TARGET_PUBLIC_HEADERS
     libc.include.wchar
     libc.include.uchar
     libc.include.features
+    libc.include.locale
 
     # Header for RPC extensions
     libc.include.gpu_rpc

libc/config/linux/x86_64/entrypoints.txt

@@ -782,6 +782,22 @@ endif()
 
 if(LLVM_LIBC_FULL_BUILD)
   list(APPEND TARGET_LIBC_ENTRYPOINTS
+    # ctype.h entrypoints
+    libc.src.ctype.isalnum_l
+    libc.src.ctype.isalpha_l
+    libc.src.ctype.isblank_l
+    libc.src.ctype.iscntrl_l
+    libc.src.ctype.isdigit_l
+    libc.src.ctype.isgraph_l
+    libc.src.ctype.islower_l
+    libc.src.ctype.isprint_l
+    libc.src.ctype.ispunct_l
+    libc.src.ctype.isspace_l
+    libc.src.ctype.isupper_l
+    libc.src.ctype.isxdigit_l
+    libc.src.ctype.tolower_l
+    libc.src.ctype.toupper_l
+
     # assert.h entrypoints
     libc.src.assert.__assert_fail
 
@@ -982,6 +998,15 @@ if(LLVM_LIBC_FULL_BUILD)
     libc.src.time.nanosleep
     libc.src.time.time
 
+    # locale.h entrypoints
+    libc.src.locale.localeconv
+    libc.src.locale.duplocale
+    libc.src.locale.freelocale
+    libc.src.locale.localeconv
+    libc.src.locale.newlocale
+    libc.src.locale.setlocale
+    libc.src.locale.uselocale
+
     # unistd.h entrypoints
     libc.src.unistd.__llvm_libc_syscall
     libc.src.unistd._exit

libc/config/linux/x86_64/headers.txt

@@ -33,6 +33,7 @@ set(TARGET_PUBLIC_HEADERS
     libc.include.unistd
     libc.include.wchar
     libc.include.uchar
+    libc.include.locale
 
     libc.include.arpa_inet
 

libc/hdr/types/CMakeLists.txt

@@ -162,3 +162,12 @@ add_proxy_header_library(
     libc.include.llvm-libc-types.cookie_io_functions_t
     libc.include.stdio
 )
+
+add_proxy_header_library(
+  locale_t
+  HDRS
+    locale_t.h
+  FULL_BUILD_DEPENDS
+    libc.include.llvm-libc-types.locale_t
+    libc.include.locale
+)

libc/hdr/types/locale_t.h

@@ -0,0 +1,22 @@
+//===-- Definition of macros from locale_t.h ------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_HDR_LOCALE_T_H
+#define LLVM_LIBC_HDR_LOCALE_T_H
+
+#ifdef LIBC_FULL_BUILD
+
+#include "include/llvm-libc-types/locale_t.h"
+
+#else // overlay mode
+
+#error "type not available in overlay mode"
+
+#endif // LLVM_LIBC_FULL_BUILD
+
+#endif // LLVM_LIBC_HDR_LOCALE_T_H

libc/include/CMakeLists.txt

@@ -45,6 +45,7 @@ add_header_macro(
   ctype.h
   DEPENDS
     .llvm_libc_common_h
+    .llvm-libc-types.locale_t
 )
 
 add_header_macro(
@@ -717,6 +718,18 @@ add_header_macro(
     .llvm-libc-types.wchar_t
 )
 
+add_header_macro(
+  locale
+  ../libc/newhdrgen/yaml/locale.yaml
+  locale.h.def
+  locale.h
+  DEPENDS
+    .llvm_libc_common_h
+    .llvm-libc-macros.locale_macros
+    .llvm-libc-types.locale_t
+    .llvm-libc-types.struct_lconv
+)
+
 if(LIBC_TARGET_OS_IS_GPU)
   file(MAKE_DIRECTORY ${LIBC_INCLUDE_DIR}/gpu)
 

libc/include/llvm-libc-macros/CMakeLists.txt

@@ -295,3 +295,9 @@ add_macro_header(
   HDR
     elf-macros.h
 )
+
+add_macro_header(
+  locale_macros
+  HDR
+    locale-macros.h
+)

libc/include/llvm-libc-macros/locale-macros.h

@@ -0,0 +1,32 @@
+//===-- Definition of macros from locale.h --------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_MACROS_LOCALE_MACROS_H
+#define LLVM_LIBC_MACROS_LOCALE_MACROS_H
+
+#include "../llvm-libc-types/locale_t.h"
+
+#define LC_CTYPE 0
+#define LC_NUMERIC 1
+#define LC_TIME 2
+#define LC_COLLATE 3
+#define LC_MONETARY 4
+#define LC_MESSAGES 5
+#define LC_ALL 6
+
+#define LC_GLOBAL_LOCALE ((locale_t)(-1))
+
+#define LC_CTYPE_MASK (1 << LC_CTYPE)
+#define LC_NUMERIC_MASK (1 << LC_NUMERIC)
+#define LC_TIME_MASK (1 << LC_TIME)
+#define LC_COLLATE_MASK (1 << LC_COLLATE)
+#define LC_MONETARY_MASK (1 << LC_MONETARY)
+#define LC_MESSAGES_MASK (1 << LC_MESSAGES)
+#define LC_ALL_MASK 0x7fffffff
+
+#endif // LLVM_LIBC_MACROS_LOCALE_MACROS_H

libc/include/llvm-libc-types/CMakeLists.txt

@@ -142,3 +142,5 @@ DEPENDS
   .fsblkcnt_t
   .fsfilcnt_t
 )
+add_header(locale_t HDR locale_t.h)
+add_header(struct_lconv HDR struct_lconv.h)

libc/include/llvm-libc-types/locale_t.h

@@ -0,0 +1,22 @@
+//===-- Definition of type locale_t ---------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_TYPES_LOCALE_T_H
+#define LLVM_LIBC_TYPES_LOCALE_T_H
+
+#define NUM_LOCALE_CATEGORIES 6
+
+struct __locale_data;
+
+struct __locale_t {
+  struct __locale_data *data[NUM_LOCALE_CATEGORIES];
+};
+
+typedef struct __locale_t *locale_t;
+
+#endif // LLVM_LIBC_TYPES_LOCALE_T_H

libc/include/llvm-libc-types/struct_lconv.h

@@ -0,0 +1,39 @@
+//===-- Definition of type lconv ------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_TYPES_LCONV_H
+#define LLVM_LIBC_TYPES_LCONV_H
+
+struct lconv {
+  char *decimal_point;
+  char *thousands_sep;
+  char *grouping;
+  char *mon_decimal_point;
+  char *mon_thousands_sep;
+  char *mon_grouping;
+  char *positive_sign;
+  char *negative_sign;
+  char *currency_symbol;
+  char frac_digits;
+  char p_cs_precedes;
+  char n_cs_precedes;
+  char p_sep_by_space;
+  char n_sep_by_space;
+  char p_sign_posn;
+  char n_sign_posn;
+  char *int_curr_symbol;
+  char int_frac_digits;
+  char int_p_cs_precedes;
+  char int_n_cs_precedes;
+  char int_p_sep_by_space;
+  char int_n_sep_by_space;
+  char int_p_sign_posn;
+  char int_n_sign_posn;
+};
+
+#endif // LLVM_LIBC_TYPES_LCONV_H

libc/include/locale.h.def

@@ -0,0 +1,20 @@
+//===-- C standard library header locale.h --------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_LOCALE_H
+#define LLVM_LIBC_LOCALE_H
+
+#include "__llvm-libc-common.h"
+
+#include "llvm-libc-macros/locale-macros.h"
+#include "llvm-libc-types/locale_t.h"
+#include "llvm-libc-types/struct_lconv.h"
+
+%%public_api()
+
+#endif // LLVM_LIBC_LOCALE_H