skia2/third_party/icu/SkLoadICU.cpp
Hal Canary 6102192b96 SkLoadICU: simplify
Change-Id: I98cd1f36ca96a92b72974ae228465199638e4bea
Reviewed-on: https://skia-review.googlesource.com/c/189864
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
2019-02-06 21:20:49 +00:00

56 lines
1.7 KiB
C++

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "SkLoadICU.h"
#if defined(_WIN32) && defined(SK_USING_THIRD_PARTY_ICU)
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <cstdio>
#include <mutex>
#include "unicode/udata.h"
#define ICU_UTIL_DATA_SYMBOL "icudt" U_ICU_VERSION_SHORT "_dat"
#define ICU_UTIL_DATA_SHARED_MODULE_NAME "icudt.dll"
bool SkLoadICU() {
static bool good = false;
static std::once_flag flag;
std::call_once(flag, []() {
HMODULE module = LoadLibraryA(ICU_UTIL_DATA_SHARED_MODULE_NAME);
if (!module) {
fprintf(stderr, "Failed to load " ICU_UTIL_DATA_SHARED_MODULE_NAME "\n");
return;
}
FARPROC addr = GetProcAddress(module, ICU_UTIL_DATA_SYMBOL);
if (!addr) {
fprintf(stderr, "Symbol " ICU_UTIL_DATA_SYMBOL " missing in "
ICU_UTIL_DATA_SHARED_MODULE_NAME ".\n");
return;
}
UErrorCode err = U_ZERO_ERROR;
udata_setCommonData(reinterpret_cast<void*>(addr), &err);
if (err != U_ZERO_ERROR) {
fprintf(stderr, "udata_setCommonData() returned %d.\n", (int)err);
return;
}
udata_setFileAccess(UDATA_ONLY_PACKAGES, &err);
if (err != U_ZERO_ERROR) {
fprintf(stderr, "udata_setFileAccess() returned %d.\n", (int)err);
return;
}
good = true;
});
return good;
}
#undef ICU_UTIL_DATA_SHARED_MODULE_NAME
#undef ICU_UTIL_DATA_SYMBOL
#endif // defined(_WIN32) && defined(SK_USING_THIRD_PARTY_ICU)