62f929ff4c
New code should use nullptr instead of NULL. This patch updates existing use of NULL to nullptr where applicable, making the code base more consistent. BUG=v8:6928,v8:6921 Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng;master.tryserver.v8:v8_linux_noi18n_rel_ng Change-Id: I4687f5b96fcfd88b41fa970a2b937b4f6538777c Reviewed-on: https://chromium-review.googlesource.com/718338 Commit-Queue: Mathias Bynens <mathias@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Reviewed-by: Toon Verwaest <verwaest@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#48557}
120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
// Copyright 2013 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/icu_util.h"
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#if defined(_WIN32)
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#include <windows.h>
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#endif
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#if defined(V8_INTL_SUPPORT)
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#include <stdio.h>
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#include <stdlib.h>
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#include "unicode/putil.h"
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#include "unicode/udata.h"
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#include "src/base/build_config.h"
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#include "src/base/file-utils.h"
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#define ICU_UTIL_DATA_FILE 0
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#define ICU_UTIL_DATA_SHARED 1
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#define ICU_UTIL_DATA_STATIC 2
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#define ICU_UTIL_DATA_SYMBOL "icudt" U_ICU_VERSION_SHORT "_dat"
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#define ICU_UTIL_DATA_SHARED_MODULE_NAME "icudt.dll"
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#endif
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namespace v8 {
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namespace internal {
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#if defined(V8_INTL_SUPPORT) && (ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE)
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namespace {
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char* g_icu_data_ptr = nullptr;
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void free_icu_data_ptr() {
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delete[] g_icu_data_ptr;
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}
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} // namespace
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#endif
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bool InitializeICUDefaultLocation(const char* exec_path,
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const char* icu_data_file) {
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#if !defined(V8_INTL_SUPPORT)
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return true;
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#else
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#if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
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if (icu_data_file) {
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return InitializeICU(icu_data_file);
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}
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char* icu_data_file_default;
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#if defined(V8_TARGET_LITTLE_ENDIAN)
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base::RelativePath(&icu_data_file_default, exec_path, "icudtl.dat");
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#elif defined(V8_TARGET_BIG_ENDIAN)
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base::RelativePath(&icu_data_file_default, exec_path, "icudtb.dat");
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#else
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#error Unknown byte ordering
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#endif
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bool result = InitializeICU(icu_data_file_default);
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free(icu_data_file_default);
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return result;
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#else
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return InitializeICU(nullptr);
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#endif
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#endif
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}
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bool InitializeICU(const char* icu_data_file) {
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#if !defined(V8_INTL_SUPPORT)
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return true;
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#else
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#if ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_SHARED
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// We expect to find the ICU data module alongside the current module.
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HMODULE module = LoadLibraryA(ICU_UTIL_DATA_SHARED_MODULE_NAME);
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if (!module) return false;
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FARPROC addr = GetProcAddress(module, ICU_UTIL_DATA_SYMBOL);
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if (!addr) return false;
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UErrorCode err = U_ZERO_ERROR;
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udata_setCommonData(reinterpret_cast<void*>(addr), &err);
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return err == U_ZERO_ERROR;
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#elif ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_STATIC
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// Mac/Linux bundle the ICU data in.
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return true;
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#elif ICU_UTIL_DATA_IMPL == ICU_UTIL_DATA_FILE
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if (!icu_data_file) return false;
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if (g_icu_data_ptr) return true;
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FILE* inf = fopen(icu_data_file, "rb");
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if (!inf) return false;
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fseek(inf, 0, SEEK_END);
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size_t size = ftell(inf);
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rewind(inf);
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g_icu_data_ptr = new char[size];
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if (fread(g_icu_data_ptr, 1, size, inf) != size) {
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delete[] g_icu_data_ptr;
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g_icu_data_ptr = nullptr;
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fclose(inf);
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return false;
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}
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fclose(inf);
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atexit(free_icu_data_ptr);
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UErrorCode err = U_ZERO_ERROR;
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udata_setCommonData(reinterpret_cast<void*>(g_icu_data_ptr), &err);
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return err == U_ZERO_ERROR;
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#endif
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#endif
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}
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} // namespace internal
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} // namespace v8
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