From f073896133731d086a2b75153ba22cdbbe08e5d6 Mon Sep 17 00:00:00 2001
From: huangyu <huangyu76@huawei.com>
Date: Mon, 9 Jan 2023 14:08:33 +0800
Subject: [PATCH] fixed 7ba3725 from
 https://gitee.com/huangyu76/arkcompiler_ets_frontend/pulls/776 Fix failed to
 operate file of length over 260 issue on Windows

Signed-off-by: huangyu <huangyu76@huawei.com>
Change-Id: I92855d7cbf25659457303a0565b85ea2b53d63d2
---
 merge_abc/src/protobufSnapshotGenerator.cpp | 25 +++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/merge_abc/src/protobufSnapshotGenerator.cpp b/merge_abc/src/protobufSnapshotGenerator.cpp
index daeee4716cf..1197bf59811 100644
--- a/merge_abc/src/protobufSnapshotGenerator.cpp
+++ b/merge_abc/src/protobufSnapshotGenerator.cpp
@@ -18,13 +18,27 @@
 #include "protobufSnapshotGenerator.h"
 
 namespace panda::proto {
+static void GetFileStream(const std::string &path, std::ios::openmode mode, std::fstream &fs)
+{
+#ifdef PANDA_TARGET_WINDOWS
+    if (path.length() < _MAX_PATH) {
+        fs = std::fstream(path, mode);
+    } else {
+        fs = std::fstream(panda::os::file::File::GetExtendedLengthStylePath(path), mode);
+    }
+#else
+    fs = std::fstream(path, mode);
+#endif  // PANDA_TARGET_WINDOWS
+}
+
 void ProtobufSnapshotGenerator::GenerateSnapshot(const panda::pandasm::Program &program, const std::string &outputName)
 {
     protoPanda::Program protoProgram;
 
     Program::Serialize(program, protoProgram);
 
-    std::fstream output(outputName, std::ios::out | std::ios::trunc | std::ios::binary);
+    std::fstream output;
+    GetFileStream(outputName, std::ios::out | std::ios::trunc | std::ios::binary, output);
     if (!output) {
         std::cerr << "Failed to create: " << outputName << std::endl;
         return;
@@ -36,7 +50,8 @@ void ProtobufSnapshotGenerator::GenerateSnapshot(const panda::pandasm::Program &
 void ProtobufSnapshotGenerator::GenerateProgram(const std::string &inputName, panda::pandasm::Program &prog,
                                                 panda::ArenaAllocator *allocator)
 {
-    std::fstream input(inputName, std::ios::in | std::ios::binary);
+    std::fstream input;
+    GetFileStream(inputName, std::ios::in | std::ios::binary, input);
     if (!input) {
         std::cerr << "Failed to open: " << inputName << std::endl;
         return;
@@ -55,7 +70,8 @@ void ProtobufSnapshotGenerator::UpdateCacheFile(
 {
     protoPanda::CompositeProgram protoCompositeProgram;
     CompositeProgram::Serialize(compositeProgramMap, isDebug, protoCompositeProgram);
-    std::fstream output(cacheFilePath, std::ios::out | std::ios::trunc | std::ios::binary);
+    std::fstream output;
+    GetFileStream(cacheFilePath, std::ios::out | std::ios::trunc | std::ios::binary, output);
     if (!output) {
         std::cerr << "Failed to create cache file: " << cacheFilePath << std::endl;
         return;
@@ -67,7 +83,8 @@ void ProtobufSnapshotGenerator::UpdateCacheFile(
 std::map<std::string, panda::es2panda::util::ProgramCache*> *ProtobufSnapshotGenerator::GetCacheContext(
     const std::string &cacheFilePath, bool isDebug, panda::ArenaAllocator *allocator)
 {
-    std::fstream input(cacheFilePath, std::ios::in | std::ios::binary);
+    std::fstream input;
+    GetFileStream(cacheFilePath, std::ios::in | std::ios::binary, input);
     if (!input) {
         std::cerr << "Cache file: " << cacheFilePath << " doesn't exist" << std::endl;
         return nullptr;
-- 
Gitee