//===----------------------------------------------------------------------===//
#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Config/config.h"
#include "llvm/Support/Errno.h"
#include <cstdio>
#include <cstring>
#include <new>
-#include <sys/stat.h>
#include <sys/types.h>
#if !defined(_MSC_VER) && !defined(__MINGW32__)
#include <unistd.h>
#else
#include <io.h>
-// Simplistic definitinos of these macros for use in getOpenFile.
-#ifndef S_ISREG
-#define S_ISREG(x) (1)
-#endif
-#ifndef S_ISBLK
-#define S_ISBLK(x) (0)
-#endif
#endif
using namespace llvm;
return getFile(Filename, Result, FileSize);
}
-error_code MemoryBuffer::getFileOrSTDIN(StringRef Filename,
- OwningPtr<MemoryBuffer> &Result,
- int64_t FileSize) {
- std::unique_ptr<MemoryBuffer> MB;
- error_code ec = getFileOrSTDIN(Filename, MB, FileSize);
- Result = std::move(MB);
- return ec;
-}
-
//===----------------------------------------------------------------------===//
// MemoryBuffer::getFile implementation.
} while (ReadBytes != 0);
Result.reset(MemoryBuffer::getMemBufferCopy(Buffer, BufferName));
- return error_code::success();
+ return error_code();
}
static error_code getFileAux(const char *Filename,
RequiresNullTerminator, IsVolatileSize);
}
-error_code MemoryBuffer::getFile(Twine Filename,
- OwningPtr<MemoryBuffer> &Result,
- int64_t FileSize,
- bool RequiresNullTerminator,
- bool IsVolatileSize) {
- std::unique_ptr<MemoryBuffer> MB;
- error_code ec = getFile(Filename, MB, FileSize, RequiresNullTerminator,
- IsVolatileSize);
- Result = std::move(MB);
- return ec;
-}
-
static error_code getOpenFileImpl(int FD, const char *Filename,
std::unique_ptr<MemoryBuffer> &Result,
uint64_t FileSize, uint64_t MapSize,
// RequiresNullTerminator = false and MapSize != -1.
if (FileSize == size_t(-1)) {
sys::fs::file_status Status;
- error_code EC = sys::fs::status(FD, Status);
- if (EC)
- return EC;
+ if (sys::fs::status(FD, Status))
+ return false;
FileSize = Status.getSize();
}
if (End != FileSize)
return false;
-#if defined(_WIN32) || defined(__CYGWIN__)
- // Don't peek the next page if file is multiple of *physical* pagesize(4k)
- // but is not multiple of AllocationGranularity(64k),
- // when a null terminator is required.
- // FIXME: It's not good to hardcode 4096 here. dwPageSize shows 4096.
- if ((FileSize & (4096 - 1)) == 0)
- return false;
-#endif
-
// Don't try to map files that are exactly a multiple of the system page size
// if we need a null terminator.
if ((FileSize & (PageSize -1)) == 0)
Result.reset(new (NamedBufferAlloc(Filename)) MemoryBufferMMapFile(
RequiresNullTerminator, FD, MapSize, Offset, EC));
if (!EC)
- return error_code::success();
+ return error_code();
}
MemoryBuffer *Buf = MemoryBuffer::getNewUninitMemBuffer(MapSize, Filename);
}
Result.swap(SB);
- return error_code::success();
+ return error_code();
}
error_code MemoryBuffer::getOpenFile(int FD, const char *Filename,
RequiresNullTerminator, IsVolatileSize);
}
-error_code MemoryBuffer::getOpenFile(int FD, const char *Filename,
- OwningPtr<MemoryBuffer> &Result,
- uint64_t FileSize,
- bool RequiresNullTerminator,
- bool IsVolatileSize) {
- std::unique_ptr<MemoryBuffer> MB;
- error_code ec = getOpenFileImpl(FD, Filename, MB, FileSize, FileSize, 0,
- RequiresNullTerminator, IsVolatileSize);
- Result = std::move(MB);
- return ec;
-}
-
error_code MemoryBuffer::getOpenFileSlice(int FD, const char *Filename,
std::unique_ptr<MemoryBuffer> &Result,
uint64_t MapSize, int64_t Offset,
IsVolatileSize);
}
-error_code MemoryBuffer::getOpenFileSlice(int FD, const char *Filename,
- OwningPtr<MemoryBuffer> &Result,
- uint64_t MapSize, int64_t Offset,
- bool IsVolatileSize) {
- std::unique_ptr<MemoryBuffer> MB;
- error_code ec = getOpenFileImpl(FD, Filename, MB, -1, MapSize, Offset, false,
- IsVolatileSize);
- Result = std::move(MB);
- return ec;
-}
-
//===----------------------------------------------------------------------===//
// MemoryBuffer::getSTDIN implementation.
//===----------------------------------------------------------------------===//
return getMemoryBufferForStream(0, "<stdin>", Result);
}
-
-error_code MemoryBuffer::getSTDIN(OwningPtr<MemoryBuffer> &Result) {
- std::unique_ptr<MemoryBuffer> MB;
- error_code ec = getSTDIN(MB);
- Result = std::move(MB);
- return ec;
-}