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-rw-r--r--source/Host/common/FileSystem.cpp141
1 files changed, 70 insertions, 71 deletions
diff --git a/source/Host/common/FileSystem.cpp b/source/Host/common/FileSystem.cpp
index 5a5dbc79fe11..88f29b46f360 100644
--- a/source/Host/common/FileSystem.cpp
+++ b/source/Host/common/FileSystem.cpp
@@ -9,6 +9,7 @@
#include "lldb/Host/FileSystem.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MD5.h"
#include <algorithm>
@@ -20,84 +21,82 @@ using namespace lldb_private;
namespace {
-bool
-CalcMD5(const FileSpec &file_spec, uint64_t offset, uint64_t length, llvm::MD5::MD5Result &md5_result)
-{
- llvm::MD5 md5_hash;
- std::ifstream file(file_spec.GetPath(), std::ios::binary);
- if (!file.is_open())
- return false;
-
- if (offset > 0)
- file.seekg(offset, file.beg);
-
- std::vector<char> read_buf(4096);
- uint64_t total_read_bytes = 0;
- while (!file.eof())
- {
- const uint64_t to_read = (length > 0) ?
- std::min(static_cast<uint64_t>(read_buf.size()), length - total_read_bytes) :
- read_buf.size();
- if (to_read == 0)
- break;
-
- file.read(&read_buf[0], to_read);
- const auto read_bytes = file.gcount();
- if (read_bytes == 0)
- break;
-
- md5_hash.update(llvm::StringRef(&read_buf[0], read_bytes));
- total_read_bytes += read_bytes;
- }
-
- md5_hash.final(md5_result);
- return true;
+bool CalcMD5(const FileSpec &file_spec, uint64_t offset, uint64_t length,
+ llvm::MD5::MD5Result &md5_result) {
+ llvm::MD5 md5_hash;
+ std::ifstream file(file_spec.GetPath(), std::ios::binary);
+ if (!file.is_open())
+ return false;
+
+ if (offset > 0)
+ file.seekg(offset, file.beg);
+
+ std::vector<char> read_buf(4096);
+ uint64_t total_read_bytes = 0;
+ while (!file.eof()) {
+ const uint64_t to_read =
+ (length > 0) ? std::min(static_cast<uint64_t>(read_buf.size()),
+ length - total_read_bytes)
+ : read_buf.size();
+ if (to_read == 0)
+ break;
+
+ file.read(&read_buf[0], to_read);
+ const auto read_bytes = file.gcount();
+ if (read_bytes == 0)
+ break;
+
+ md5_hash.update(llvm::StringRef(&read_buf[0], read_bytes));
+ total_read_bytes += read_bytes;
+ }
+
+ md5_hash.final(md5_result);
+ return true;
}
-} // namespace
+} // namespace
-bool
-FileSystem::CalculateMD5(const FileSpec &file_spec, uint64_t &low, uint64_t &high)
-{
- return CalculateMD5(file_spec, 0, 0, low, high);
+bool FileSystem::CalculateMD5(const FileSpec &file_spec, uint64_t &low,
+ uint64_t &high) {
+ return CalculateMD5(file_spec, 0, 0, low, high);
}
-bool
-FileSystem::CalculateMD5(const FileSpec &file_spec,
- uint64_t offset,
- uint64_t length,
- uint64_t &low,
- uint64_t &high)
-{
- llvm::MD5::MD5Result md5_result;
- if (!CalcMD5(file_spec, offset, length, md5_result))
- return false;
-
- const auto uint64_res = reinterpret_cast<const uint64_t*>(md5_result);
- high = uint64_res[0];
- low = uint64_res[1];
-
- return true;
+bool FileSystem::CalculateMD5(const FileSpec &file_spec, uint64_t offset,
+ uint64_t length, uint64_t &low, uint64_t &high) {
+ llvm::MD5::MD5Result md5_result;
+ if (!CalcMD5(file_spec, offset, length, md5_result))
+ return false;
+
+ const auto uint64_res = reinterpret_cast<const uint64_t *>(md5_result);
+ high = uint64_res[0];
+ low = uint64_res[1];
+
+ return true;
+}
+
+bool FileSystem::CalculateMD5AsString(const FileSpec &file_spec,
+ std::string &digest_str) {
+ return CalculateMD5AsString(file_spec, 0, 0, digest_str);
}
-bool
-FileSystem::CalculateMD5AsString(const FileSpec &file_spec, std::string& digest_str)
-{
- return CalculateMD5AsString(file_spec, 0, 0, digest_str);
+bool FileSystem::CalculateMD5AsString(const FileSpec &file_spec,
+ uint64_t offset, uint64_t length,
+ std::string &digest_str) {
+ llvm::MD5::MD5Result md5_result;
+ if (!CalcMD5(file_spec, offset, length, md5_result))
+ return false;
+
+ llvm::SmallString<32> result_str;
+ llvm::MD5::stringifyResult(md5_result, result_str);
+ digest_str = result_str.c_str();
+ return true;
}
-bool
-FileSystem::CalculateMD5AsString(const FileSpec &file_spec,
- uint64_t offset,
- uint64_t length,
- std::string& digest_str)
-{
- llvm::MD5::MD5Result md5_result;
- if (!CalcMD5(file_spec, offset, length, md5_result))
- return false;
-
- llvm::SmallString<32> result_str;
- llvm::MD5::stringifyResult(md5_result, result_str);
- digest_str = result_str.c_str();
- return true;
+llvm::sys::TimePoint<>
+FileSystem::GetModificationTime(const FileSpec &file_spec) {
+ llvm::sys::fs::file_status status;
+ std::error_code ec = llvm::sys::fs::status(file_spec.GetPath(), status);
+ if (ec)
+ return llvm::sys::TimePoint<>();
+ return status.getLastModificationTime();
}