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deps/icu-small/source/stubdata/BUILD.bazel

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+# © 2021 and later: Unicode, Inc. and others.
+# License & terms of use: http://www.unicode.org/copyright.html
+
+# This file defines Bazel targets for the ICU4C "stubdata" library header and source files.
+
+load("@rules_cc//cc:defs.bzl", "cc_library")
+
+package(
+    default_visibility = ["//visibility:public"],
+)
+
+# When compiling code in the `common` dir, the constant
+# `U_COMMON_IMPLEMENTATION` needs to be defined. See 
+# https://unicode-org.github.io/icu/userguide/howtouseicu#c-with-your-own-build-system .
+
+cc_library(
+    name = "stubdata",
+    srcs = ["stubdata.cpp"],
+    hdrs = ["stubdata.h"],
+    deps = ["//icu4c/source/common:headers"],
+    local_defines = [
+        "U_COMMON_IMPLEMENTATION",
+    ],
+)

deps/icu-small/source/stubdata/stubdata.cpp

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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/******************************************************************************
+*
+*   Copyright (C) 2001, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*   file name:  stubdata.cpp
+*
+*   Define initialized data that will build into a valid, but empty
+*   ICU data library.  Used to bootstrap the ICU build, which has these
+*   dependencies:
+*       ICU Common library depends on ICU data
+*       ICU data requires data building tools.
+*       ICU data building tools require the ICU common library.
+*
+*   The stub data library (for which this file is the source) is sufficient
+*   for running the data building tools.
+*/
+
+#include "stubdata.h"
+
+extern "C" U_EXPORT const ICU_Data_Header U_ICUDATA_ENTRY_POINT alignas(16) = {
+    32,          /* headerSize */
+    0xda,        /* magic1,  (see struct MappedData in udata.c)  */
+    0x27,        /* magic2     */
+    {            /*UDataInfo   */
+        sizeof(UDataInfo),      /* size        */
+        0,                      /* reserved    */
+
+#if U_IS_BIG_ENDIAN
+        1,
+#else
+        0,
+#endif
+
+        U_CHARSET_FAMILY,
+        sizeof(char16_t),
+        0,               /* reserved      */
+        {0x54, 0x6f, 0x43, 0x50},   /* data format identifier: "ToCP" */
+        {1, 0, 0, 0},   /* format version major, minor, milli, micro */
+        {0, 0, 0, 0}    /* dataVersion   */
+    },
+    { 's', 't', 'u', 'b', 'd', 'a', 't', 'a' },  /* Padding[8] */
+    0,                  /* count        */
+    0,                  /* Reserved     */
+    {                   /*  TOC structure */
+        0 , 0           /* name and data entries.  Count says there are none,  */
+                        /*  but put one in just in case.                       */
+    }
+};

deps/icu-small/source/stubdata/stubdata.h

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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/******************************************************************************
+*
+*   Copyright (C) 2001, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*   file name:  stubdata.h
+*
+*   This header file is intended to be internal and only included in the
+*   accompanying implementation file. This file declares a single entry
+*   point for visibility of tools like TAPI.
+*
+*   Define initialized data that will build into a valid, but empty
+*   ICU data library.  Used to bootstrap the ICU build, which has these
+*   dependencies:
+*       ICU Common library depends on ICU data
+*       ICU data requires data building tools.
+*       ICU data building tools require the ICU common library.
+*
+*   The stub data library (for which this file is the source) is sufficient
+*   for running the data building tools.
+*/
+
+#ifndef __STUBDATA_H__
+#define __STUBDATA_H__
+
+#include "unicode/utypes.h"
+#include "unicode/udata.h"
+#include "unicode/uversion.h"
+
+typedef struct alignas(16) {
+    uint16_t headerSize;
+    uint8_t magic1, magic2;
+    UDataInfo info;
+    char padding[8];
+    uint32_t count, reserved;
+    /*
+    const struct {
+    const char *const name;
+    const void *const data;
+    } toc[1];
+    */
+   uint64_t fakeNameAndData[2];    /* TODO:  Change this header type from */
+                                   /*        pointerTOC to OffsetTOC.     */
+} ICU_Data_Header;
+
+extern "C" U_EXPORT const ICU_Data_Header U_ICUDATA_ENTRY_POINT;
+
+#endif /* __STUBDATA_H__ */