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Mac impl progress

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This commit is contained in:
Wojtek Figat
2021-12-28 18:45:40 +01:00
parent a1ef7ddcf7
commit 378ddc66c7
12 changed files with 111 additions and 326 deletions
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44
Source/Engine/Platform/Mac/MacFileSystem.cpp
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@@ -12,7 +12,6 @@
#include "Engine/Utilities/StringConverter.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/sendfile.h>
#include <unistd.h>
#include <stdio.h>
#include <cerrno>
@@ -309,37 +308,24 @@ bool MacFileSystem::CopyFile(const StringView& dst, const StringView& src)
if (dstFile < 0)
goto out_error;
// first try the kernel method
struct stat statBuf;
fstat(srcFile, &statBuf);
readSize = 1;
while (readSize > 0)
while (readSize = read(srcFile, buffer, sizeof(buffer)), readSize > 0)
{
readSize = sendfile(dstFile, srcFile, 0, statBuf.st_size);
}
// sendfile could fail for example if the input file is not nmap'able
// in this case we fall back to the read/write loop
if (readSize < 0)
{
while (readSize = read(srcFile, buffer, sizeof(buffer)), readSize > 0)
{
char* ptr = buffer;
ssize_t writeSize;
char* ptr = buffer;
ssize_t writeSize;
do
do
{
writeSize = write(dstFile, ptr, readSize);
if (writeSize >= 0)
{
writeSize = write(dstFile, ptr, readSize);
if (writeSize >= 0)
{
readSize -= writeSize;
ptr += writeSize;
}
else if (errno != EINTR)
{
goto out_error;
}
} while (readSize > 0);
}
readSize -= writeSize;
ptr += writeSize;
}
else if (errno != EINTR)
{
goto out_error;
}
} while (readSize > 0);
}
if (readSize == 0)