Adding upstream version 6.1.22-dfsg.upstream/6.1.22-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 174 insertions, 0 deletions

diff --git a/include/iprt/tar.h b/include/iprt/tar.h
new file mode 100644
index 00000000..a0f70b41
--- /dev/null
+++ b/include/iprt/tar.h
@@ -0,0 +1,174 @@
+/** @file
+ * IPRT - Tar archive I/O.
+ */
+
+/*
+ * Copyright (C) 2009-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#ifndef IPRT_INCLUDED_tar_h
+#define IPRT_INCLUDED_tar_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/cdefs.h>
+#include <iprt/types.h>
+#include <iprt/time.h>
+
+RT_C_DECLS_BEGIN
+
+/** @defgroup grp_rt_tar    RTTar - Tar archive I/O
+ * @ingroup grp_rt
+ *
+ * @deprecated  Only used for legacy code and writing.  Migrate new code to the
+ *              VFS interface, add the write part when needed.
+ *
+ * @{
+ */
+
+/** A tar handle */
+typedef R3PTRTYPE(struct RTTARINTERNAL *)        RTTAR;
+/** Pointer to a RTTAR interface handle. */
+typedef RTTAR                                   *PRTTAR;
+/** Nil RTTAR interface handle. */
+#define NIL_RTTAR                                ((RTTAR)0)
+
+/** A tar file handle */
+typedef R3PTRTYPE(struct RTTARFILEINTERNAL *)    RTTARFILE;
+/** Pointer to a RTTARFILE interface handle. */
+typedef RTTARFILE                               *PRTTARFILE;
+/** Nil RTTARFILE interface handle. */
+#define NIL_RTTARFILE                            ((RTTARFILE)0)
+
+/** Maximum length of a tar filename, excluding the terminating '\0'. More
+ * does not fit into a tar record. */
+#define RTTAR_NAME_MAX                           99
+
+/**
+ * Creates a Tar archive.
+ *
+ * Use the mask to specify the access type.
+ *
+ * @returns IPRT status code.
+ *
+ * @param   phTar          Where to store the RTTAR handle.
+ * @param   pszTarname     The file name of the tar archive to create.  Should
+ *                         not exist.
+ * @param   fMode          Open flags, i.e a combination of the RTFILE_O_* defines.
+ *                         The ACCESS, ACTION and DENY flags are mandatory!
+ */
+RTR3DECL(int) RTTarOpen(PRTTAR phTar, const char *pszTarname, uint32_t fMode);
+
+/**
+ * Close the Tar archive.
+ *
+ * @returns IPRT status code.
+ *
+ * @param   hTar           Handle to the RTTAR interface.
+ */
+RTR3DECL(int) RTTarClose(RTTAR hTar);
+
+/**
+ * Open a file in the Tar archive.
+ *
+ * @returns IPRT status code.
+ *
+ * @param   hTar           The handle of the tar archive.
+ * @param   phFile         Where to store the handle to the opened file.
+ * @param   pszFilename    Path to the file which is to be opened. (UTF-8)
+ * @param   fOpen          Open flags, i.e a combination of the RTFILE_O_* defines.
+ *                         The ACCESS, ACTION flags are mandatory! DENY flags
+ *                         are currently not supported.
+ *
+ * @remarks Write mode means append mode only. It is not possible to make
+ *          changes to existing files.
+ *
+ * @remarks Currently it is not possible to open more than one file in write
+ *          mode. Although open more than one file in read only mode (even when
+ *          one file is opened in write mode) is always possible.
+ */
+RTR3DECL(int) RTTarFileOpen(RTTAR hTar, PRTTARFILE phFile, const char *pszFilename, uint32_t fOpen);
+
+/**
+ * Close the file opened by RTTarFileOpen.
+ *
+ * @returns IPRT status code.
+ *
+ * @param   hFile          The file handle to close.
+ */
+RTR3DECL(int) RTTarFileClose(RTTARFILE hFile);
+
+/**
+ * Read bytes from a file at a given offset.
+ * This function may modify the file position.
+ *
+ * @returns IPRT status code.
+ *
+ * @param   hFile          Handle to the file.
+ * @param   off            Where to read.
+ * @param   pvBuf          Where to put the bytes we read.
+ * @param   cbToRead       How much to read.
+ * @param   pcbRead        Where to return how much we actually read.  If NULL
+ *                         an error will be returned for a partial read.
+ */
+RTR3DECL(int) RTTarFileReadAt(RTTARFILE hFile, uint64_t off, void *pvBuf, size_t cbToRead, size_t *pcbRead);
+
+/**
+ * Write bytes to a file at a given offset.
+ * This function may modify the file position.
+ *
+ * @returns IPRT status code.
+ *
+ * @param   hFile          Handle to the file.
+ * @param   off            Where to write.
+ * @param   pvBuf          What to write.
+ * @param   cbToWrite      How much to write.
+ * @param   pcbWritten     Where to return how much we actually wrote.  If NULL
+ *                         an error will be returned for a partial write.
+ */
+RTR3DECL(int) RTTarFileWriteAt(RTTARFILE hFile, uint64_t off, const void *pvBuf, size_t cbToWrite, size_t *pcbWritten);
+
+/**
+ * Query the size of the file.
+ *
+ * @returns IPRT status code.
+ *
+ * @param   hFile          Handle to the file.
+ * @param   pcbSize        Where to store the filesize.
+ */
+RTR3DECL(int) RTTarFileGetSize(RTTARFILE hFile, uint64_t *pcbSize);
+
+/**
+ * Set the size of the file.
+ *
+ * @returns IPRT status code.
+ *
+ * @param   hFile          Handle to the file.
+ * @param   cbSize         The new file size.
+ */
+RTR3DECL(int) RTTarFileSetSize(RTTARFILE hFile, uint64_t cbSize);
+
+/** @} */
+
+RT_C_DECLS_END
+
+#endif /* !IPRT_INCLUDED_tar_h */
+