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Add new mode for copy files

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(cherry picked from commit 00f6534367)
This commit is contained in:
Oleg.Korshul
2020-10-15 14:12:05 +03:00
committed by Oleg Korshul
parent a977623f7e
commit 1340447a23
1 changed files with 53 additions and 12 deletions
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65
DesktopEditor/common/File.cpp
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@ -57,6 +57,19 @@
#define MAX_PATH 1024
#endif
#ifdef __ANDROID__
#define USE_LINUX_SENDFILE_INSTEAD_STREAMS
// Available since API level 21.
// iostream operation throwing exception when exceptions not enabled
#endif
#ifdef USE_LINUX_SENDFILE_INSTEAD_STREAMS
#include <sys/sendfile.h>
#include <fcntl.h>
#include <unistd.h>
#endif
// реализация возможности подмены определения GetTempPath
std::wstring g_overrideTmpPath = L"";
@ -1204,6 +1217,43 @@ namespace NSFile
if (strSrc == strDst)
return true;
#if !defined(_WIN32) && !defined(_WIN32_WCE) && !defined(_WIN64)
std::string strSrcA = U_TO_UTF8(strSrc);
std::string strDstA = U_TO_UTF8(strDst);
#endif
#ifdef USE_LINUX_SENDFILE_INSTEAD_STREAMS
int src = open(strSrcA.c_str(), O_RDONLY);
int dst = open(strDstA.c_str(), O_WRONLY | O_CREAT);
// struct required, rationale: function stat() exists also
struct stat stat_source;
fstat(src, &stat_source);
if (stat_source.st_size > 0x7FFFFFFF)
return false;
off_t offset = 0;
long long file_size = stat_source.st_size;
long long file_size_tmp = file_size;
long long read_size = 0;
long long read_size_marker = (long long)sendfile(dst, src, &offset, file_size_tmp);
while (-1 != read_size_marker)
{
if (read_size == file_size)
break;
file_size_tmp -= read_size_marker;
read_size += read_size_marker;
if (read_size != file_size)
read_size_marker = (long long)sendfile(dst, src, &offset, file_size_tmp);
}
close(src);
close(dst);
return (-1 != read_size_marker) ? true : false;
#else
std::ifstream src;
std::ofstream dst;
@ -1240,18 +1290,8 @@ namespace NSFile
src.open(strSrc.c_str(), std::ios::binary);
dst.open(strDst.c_str(), std::ios::binary);
#else
BYTE* pUtf8Src = NULL;
LONG lLenSrc = 0;
CUtf8Converter::GetUtf8StringFromUnicode(strSrc.c_str(), strSrc.length(), pUtf8Src, lLenSrc, false);
BYTE* pUtf8Dst = NULL;
LONG lLenDst = 0;
CUtf8Converter::GetUtf8StringFromUnicode(strDst.c_str(), strDst.length(), pUtf8Dst, lLenDst, false);
src.open((char*)pUtf8Src, std::ios::binary);
dst.open((char*)pUtf8Dst, std::ios::binary);
delete [] pUtf8Src;
delete [] pUtf8Dst;
src.open(strSrcA.c_str(), std::ios::binary);
dst.open(strDstA.c_str(), std::ios::binary);
#endif
bool bRet = false;
@ -1267,6 +1307,7 @@ namespace NSFile
RELEASEARRAYOBJECTS(pBuffer_in);
RELEASEARRAYOBJECTS(pBuffer_out);
return bRet;
#endif
}
bool CFileBinary::Remove(const std::wstring& strFileName)
{