| 1 | /* $Id: RTGzip.cpp 56978 2015-07-18 18:55:25Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - GZIP Utility.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2010-2015 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*******************************************************************************
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| 29 | * Header Files *
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| 30 | *******************************************************************************/
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| 31 | #include <iprt/zip.h>
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| 32 |
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| 33 | #include <iprt/buildconfig.h>
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| 34 | #include <iprt/file.h>
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| 35 | #include <iprt/getopt.h>
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| 36 | #include <iprt/initterm.h>
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| 37 | #include <iprt/message.h>
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| 38 | #include <iprt/param.h>
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| 39 | #include <iprt/path.h>
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| 40 | #include <iprt/stream.h>
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| 41 | #include <iprt/string.h>
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| 42 | #include <iprt/vfs.h>
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| 43 | #include <iprt/zip.h>
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| 44 |
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| 45 |
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| 46 | /*******************************************************************************
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| 47 | * Structures and Typedefs *
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| 48 | *******************************************************************************/
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| 49 | /**
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| 50 | * Gzip command options.
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| 51 | */
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| 52 | typedef struct RTGZIPCMDOPTS
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| 53 | {
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| 54 | bool fAscii;
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| 55 | bool fStdOut;
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| 56 | bool fDecompress;
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| 57 | bool fForce;
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| 58 | bool fKeep;
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| 59 | bool fList;
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| 60 | bool fName;
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| 61 | bool fQuiet;
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| 62 | bool fRecursive;
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| 63 | const char *pszSuff;
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| 64 | bool fTest;
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| 65 | unsigned uLevel;
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| 66 | /** The current output filename (for deletion). */
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| 67 | char szOutput[RTPATH_MAX];
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| 68 | /** The current input filename (for deletion and messages). */
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| 69 | const char *pszInput;
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| 70 | } RTGZIPCMDOPTS;
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| 71 | /** Pointer to GZIP options. */
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| 72 | typedef RTGZIPCMDOPTS *PRTGZIPCMDOPTS;
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| 73 | /** Pointer to const GZIP options. */
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| 74 | typedef RTGZIPCMDOPTS const *PCRTGZIPCMDOPTS;
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| 75 |
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| 76 |
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| 77 |
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| 78 | /**
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| 79 | * Checks if the given standard handle is a TTY.
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| 80 | *
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| 81 | * @returns true / false
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| 82 | * @param enmStdHandle The standard handle.
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| 83 | */
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| 84 | static bool gzipIsStdHandleATty(RTHANDLESTD enmStdHandle)
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| 85 | {
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| 86 | /** @todo Add isatty() to IPRT. */
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| 87 | return false;
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| 88 | }
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| 89 |
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| 90 |
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| 91 | /**
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| 92 | * Pushes data from the input to the output I/O streams.
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| 93 | *
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| 94 | * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE.
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| 95 | * @param hVfsSrc The source I/O stream.
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| 96 | * @param hVfsDst The destination I/O stream.
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| 97 | */
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| 98 | static RTEXITCODE gzipPush(RTVFSIOSTREAM hVfsSrc, RTVFSIOSTREAM hVfsDst)
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| 99 | {
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| 100 | for (;;)
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| 101 | {
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| 102 | uint8_t abBuf[_64K];
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| 103 | size_t cbRead;
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| 104 | int rc = RTVfsIoStrmRead(hVfsSrc, abBuf, sizeof(abBuf), true /*fBlocking*/, &cbRead);
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| 105 | if (RT_FAILURE(rc))
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| 106 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTVfsIoStrmRead failed: %Rrc", rc);
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| 107 | if (rc == VINF_EOF && cbRead == 0)
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| 108 | return RTEXITCODE_SUCCESS;
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| 109 |
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| 110 | rc = RTVfsIoStrmWrite(hVfsDst, abBuf, cbRead, true /*fBlocking*/, NULL /*cbWritten*/);
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| 111 | if (RT_FAILURE(rc))
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| 112 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTVfsIoStrmWrite failed: %Rrc", rc);
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| 113 | }
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| 114 | }
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| 115 |
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| 116 |
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| 117 | /**
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| 118 | * Pushes the bytes from the input to the output stream, flushes the output
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| 119 | * stream and closes both of them.
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| 120 | *
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| 121 | * On failure, we will delete the output file, if it's a file. The input file
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| 122 | * may be deleted, if we're not told to keep it (--keep, --to-stdout).
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| 123 | *
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| 124 | * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE.
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| 125 | * @param phVfsSrc The input stream. Set to NIL if closed.
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| 126 | * @param pOpts The options.
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| 127 | * @param phVfsDst The output stream. Set to NIL if closed.
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| 128 | */
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| 129 | static RTEXITCODE gzipPushFlushAndClose(PRTVFSIOSTREAM phVfsSrc, PCRTGZIPCMDOPTS pOpts, PRTVFSIOSTREAM phVfsDst)
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| 130 | {
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| 131 | /*
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| 132 | * Push bytes, flush and close the streams.
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| 133 | */
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| 134 | RTEXITCODE rcExit = gzipPush(*phVfsSrc, *phVfsDst);
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| 135 |
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| 136 | RTVfsIoStrmRelease(*phVfsSrc);
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| 137 | *phVfsSrc = NIL_RTVFSIOSTREAM;
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| 138 |
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| 139 | int rc = RTVfsIoStrmFlush(*phVfsDst);
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| 140 | if (RT_FAILURE(rc) && rc != VERR_INVALID_PARAMETER)
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| 141 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to flush the output file: %Rrc", rc);
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| 142 | RTVfsIoStrmRelease(*phVfsDst);
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| 143 | *phVfsDst = NIL_RTVFSIOSTREAM;
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| 144 |
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| 145 | /*
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| 146 | * Do the cleaning up, if needed. Remove the input file, if that's the
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| 147 | * desire of the user, or remove the output file on failure.
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| 148 | */
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| 149 | if (!pOpts->fStdOut)
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| 150 | {
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| 151 | if (rcExit == RTEXITCODE_SUCCESS)
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| 152 | {
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| 153 | if (!pOpts->fKeep)
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| 154 | {
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| 155 | rc = RTFileDelete(pOpts->pszInput);
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| 156 | if (RT_FAILURE(rc))
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| 157 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to delete '%s': %Rrc", pOpts->pszInput, rc);
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| 158 | }
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| 159 | }
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| 160 | else
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| 161 | {
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| 162 | rc = RTFileDelete(pOpts->szOutput);
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| 163 | if (RT_FAILURE(rc))
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| 164 | RTMsgError("Failed to delete '%s': %Rrc", pOpts->szOutput, rc);
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| 165 | }
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| 166 | }
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| 167 |
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| 168 | return rcExit;
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| 169 | }
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| 170 |
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| 171 |
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| 172 | /**
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| 173 | * Compresses one stream to another.
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| 174 | *
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| 175 | * @returns Exit code.
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| 176 | * @param phVfsSrc The input stream. Set to NIL if closed.
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| 177 | * @param pOpts The options.
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| 178 | * @param phVfsDst The output stream. Set to NIL if closed.
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| 179 | */
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| 180 | static RTEXITCODE gzipCompressFile(PRTVFSIOSTREAM phVfsSrc, PCRTGZIPCMDOPTS pOpts, PRTVFSIOSTREAM phVfsDst)
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| 181 | {
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| 182 | /*
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| 183 | * Attach the ompressor to the output stream.
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| 184 | */
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| 185 | RTVFSIOSTREAM hVfsGzip;
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| 186 | int rc = RTZipGzipCompressIoStream(*phVfsDst, 0 /*fFlags*/, pOpts->uLevel, &hVfsGzip);
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| 187 | if (RT_FAILURE(rc))
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| 188 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTZipGzipCompressIoStream failed: %Rrc", rc);
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| 189 |
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| 190 | uint32_t cRefs = RTVfsIoStrmRelease(*phVfsDst);
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| 191 | Assert(cRefs > 0);
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| 192 | *phVfsDst = hVfsGzip;
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| 193 |
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| 194 | return gzipPushFlushAndClose(phVfsSrc, pOpts, phVfsDst);
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| 195 | }
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| 196 |
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| 197 |
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| 198 | /**
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| 199 | * Attach a decompressor to the given source stream, replacing and releasing the
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| 200 | * input handle with the decompressor.
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| 201 | *
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| 202 | * @returns Exit code.
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| 203 | * @param phVfsSrc The input stream. Replaced on success.
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| 204 | */
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| 205 | static RTEXITCODE gzipSetupDecompressor(PRTVFSIOSTREAM phVfsSrc)
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| 206 | {
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| 207 | /*
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| 208 | * Attach the decompressor to the input stream.
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| 209 | */
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| 210 | uint32_t fFlags = 0;
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| 211 | fFlags |= RTZIPGZIPDECOMP_F_ALLOW_ZLIB_HDR;
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| 212 | RTVFSIOSTREAM hVfsGunzip;
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| 213 | int rc = RTZipGzipDecompressIoStream(*phVfsSrc, fFlags, &hVfsGunzip);
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| 214 | if (RT_FAILURE(rc))
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| 215 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTZipGzipDecompressIoStream failed: %Rrc", rc);
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| 216 |
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| 217 | uint32_t cRefs = RTVfsIoStrmRelease(*phVfsSrc);
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| 218 | Assert(cRefs > 0);
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| 219 | *phVfsSrc = hVfsGunzip;
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| 220 |
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| 221 | return RTEXITCODE_SUCCESS;
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| 222 | }
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| 223 |
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| 224 |
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| 225 | /**
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| 226 | * Decompresses one stream to another.
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| 227 | *
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| 228 | * @returns Exit code.
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| 229 | * @param phVfsSrc The input stream. Set to NIL if closed.
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| 230 | * @param pOpts The options.
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| 231 | * @param phVfsDst The output stream. Set to NIL if closed.
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| 232 | */
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| 233 | static RTEXITCODE gzipDecompressFile(PRTVFSIOSTREAM phVfsSrc, PCRTGZIPCMDOPTS pOpts, PRTVFSIOSTREAM phVfsDst)
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| 234 | {
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| 235 | RTEXITCODE rcExit = gzipSetupDecompressor(phVfsSrc);
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| 236 | if (rcExit == RTEXITCODE_SUCCESS)
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| 237 | rcExit = gzipPushFlushAndClose(phVfsSrc, pOpts, phVfsDst);
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| 238 | return rcExit;
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| 239 | }
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| 240 |
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| 241 |
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| 242 | /**
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| 243 | * For testing the archive (todo).
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| 244 | *
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| 245 | * @returns Exit code.
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| 246 | * @param phVfsSrc The input stream. Set to NIL if closed.
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| 247 | * @param pOpts The options.
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| 248 | */
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| 249 | static RTEXITCODE gzipTestFile(PRTVFSIOSTREAM phVfsSrc, PCRTGZIPCMDOPTS pOpts)
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| 250 | {
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| 251 | /*
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| 252 | * Read the whole stream.
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| 253 | */
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| 254 | RTEXITCODE rcExit = gzipSetupDecompressor(phVfsSrc);
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| 255 | if (rcExit == RTEXITCODE_SUCCESS)
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| 256 | {
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| 257 | for (;;)
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| 258 | {
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| 259 | uint8_t abBuf[_64K];
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| 260 | size_t cbRead;
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| 261 | int rc = RTVfsIoStrmRead(*phVfsSrc, abBuf, sizeof(abBuf), true /*fBlocking*/, &cbRead);
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| 262 | if (RT_FAILURE(rc))
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| 263 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTVfsIoStrmRead failed: %Rrc", rc);
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| 264 | if (rc == VINF_EOF && cbRead == 0)
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| 265 | return RTEXITCODE_SUCCESS;
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| 266 | }
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| 267 | }
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| 268 | return rcExit;
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| 269 | }
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| 270 |
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| 271 |
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| 272 | static RTEXITCODE gzipListFile(PRTVFSIOSTREAM phVfsSrc, PCRTGZIPCMDOPTS pOpts)
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| 273 | {
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| 274 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Listing has not been implemented");
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| 275 | }
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| 276 |
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| 277 |
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| 278 | /**
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| 279 | * Opens the output file.
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| 280 | *
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| 281 | * @returns Command exit, error messages written using RTMsg*.
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| 282 | *
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| 283 | * @param pszFile The input filename.
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| 284 | * @param pOpts The options, szOutput will be filled in by this
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| 285 | * function on success.
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| 286 | * @param phVfsIos Where to return the output stream handle.
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| 287 | *
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| 288 | * @remarks This is actually not quite the way we need to do things.
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| 289 | *
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| 290 | * First of all, we need a GZIP file system stream for a real GZIP
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| 291 | * implementation, since there may be more than one file in the gzipped
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| 292 | * file.
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| 293 | *
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| 294 | * Second, we need to open the output files as we encounter files in the input
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| 295 | * file system stream. The gzip format contains timestamp and usually a
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| 296 | * filename, the default is to use this name (see the --no-name
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| 297 | * option).
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| 298 | */
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| 299 | static RTEXITCODE gzipOpenOutput(const char *pszFile, PRTGZIPCMDOPTS pOpts, PRTVFSIOSTREAM phVfsIos)
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| 300 | {
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| 301 | int rc;
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| 302 | if (!strcmp(pszFile, "-") || pOpts->fStdOut)
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| 303 | {
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| 304 | strcpy(pOpts->szOutput, "-");
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| 305 |
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| 306 | if ( !pOpts->fForce
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| 307 | && !pOpts->fDecompress
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| 308 | && gzipIsStdHandleATty(RTHANDLESTD_OUTPUT))
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| 309 | return RTMsgErrorExit(RTEXITCODE_SYNTAX,
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| 310 | "Yeah, right. I'm not writing any compressed data to the terminal without --force.\n");
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| 311 |
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| 312 | rc = RTVfsIoStrmFromStdHandle(RTHANDLESTD_OUTPUT,
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| 313 | RTFILE_O_WRITE | RTFILE_O_OPEN | RTFILE_O_DENY_NONE,
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| 314 | true /*fLeaveOpen*/,
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| 315 | phVfsIos);
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| 316 | if (RT_FAILURE(rc))
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| 317 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error opening standard output: %Rrc", rc);
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| 318 | }
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| 319 | else
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| 320 | {
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| 321 | Assert(!RTVfsChainIsSpec(pszFile));
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| 322 |
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| 323 | /* Construct an output filename. */
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| 324 | rc = RTStrCopy(pOpts->szOutput, sizeof(pOpts->szOutput), pszFile);
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| 325 | if (RT_FAILURE(rc))
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| 326 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error constructing output filename: %Rrc", rc);
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| 327 | if (pOpts->fDecompress)
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| 328 | {
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| 329 | /** @todo take filename from archive? */
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| 330 | size_t cchSuff = strlen(pOpts->pszSuff); Assert(cchSuff > 0);
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| 331 | size_t cch = strlen(pOpts->szOutput);
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| 332 | if ( cch <= cchSuff
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| 333 | || strcmp(&pOpts->szOutput[cch - cchSuff], pOpts->pszSuff))
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| 334 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Input file does not end with: '%s'", pOpts->pszSuff);
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| 335 | pOpts->szOutput[cch - cchSuff] = '\0';
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| 336 | if (!RTPathFilename(pOpts->szOutput))
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| 337 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error constructing output filename: Input file name is all suffix.");
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| 338 | }
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| 339 | else
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| 340 | {
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| 341 | rc = RTStrCat(pOpts->szOutput, sizeof(pOpts->szOutput), pOpts->pszSuff);
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| 342 | if (RT_FAILURE(rc))
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| 343 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error constructing output filename: %Rrc", rc);
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| 344 | }
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| 345 |
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| 346 | /* Open the output file. */
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| 347 | uint32_t fOpen = RTFILE_O_WRITE | RTFILE_O_DENY_WRITE;
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| 348 | if (pOpts->fForce)
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| 349 | fOpen |= RTFILE_O_CREATE_REPLACE;
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| 350 | else
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| 351 | fOpen |= RTFILE_O_CREATE;
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| 352 | rc = RTVfsIoStrmOpenNormal(pOpts->szOutput, fOpen, phVfsIos);
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| 353 | if (RT_FAILURE(rc))
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| 354 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error opening output file '%s': %Rrc", pOpts->szOutput, rc);
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| 355 | }
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| 356 |
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| 357 | return RTEXITCODE_SUCCESS;
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| 358 | }
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| 359 |
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| 360 |
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| 361 | /**
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| 362 | * Opens the input file.
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| 363 | *
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| 364 | * @returns Command exit, error messages written using RTMsg*.
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| 365 | *
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| 366 | * @param pszFile The input filename.
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| 367 | * @param pOpts The options, szOutput will be filled in by this
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| 368 | * function on success.
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| 369 | * @param phVfsIos Where to return the input stream handle.
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| 370 | */
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| 371 | static RTEXITCODE gzipOpenInput(const char *pszFile, PRTGZIPCMDOPTS pOpts, PRTVFSIOSTREAM phVfsIos)
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| 372 | {
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| 373 | int rc;
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| 374 |
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| 375 | pOpts->pszInput = pszFile;
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| 376 | if (!strcmp(pszFile, "-"))
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| 377 | {
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| 378 | if ( !pOpts->fForce
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| 379 | && pOpts->fDecompress
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| 380 | && gzipIsStdHandleATty(RTHANDLESTD_OUTPUT))
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| 381 | return RTMsgErrorExit(RTEXITCODE_SYNTAX,
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| 382 | "Yeah, right. I'm not reading any compressed data from the terminal without --force.\n");
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|---|
| 383 |
|
|---|
| 384 | rc = RTVfsIoStrmFromStdHandle(RTHANDLESTD_INPUT,
|
|---|
| 385 | RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE,
|
|---|
| 386 | true /*fLeaveOpen*/,
|
|---|
| 387 | phVfsIos);
|
|---|
| 388 | if (RT_FAILURE(rc))
|
|---|
| 389 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error opening standard input: %Rrc", rc);
|
|---|
| 390 | }
|
|---|
| 391 | else
|
|---|
| 392 | {
|
|---|
| 393 | const char *pszError;
|
|---|
| 394 | rc = RTVfsChainOpenIoStream(pszFile, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_WRITE, phVfsIos, &pszError);
|
|---|
| 395 | if (RT_FAILURE(rc))
|
|---|
| 396 | {
|
|---|
| 397 | if (pszError && *pszError)
|
|---|
| 398 | return RTMsgErrorExit(RTEXITCODE_FAILURE,
|
|---|
| 399 | "RTVfsChainOpenIoStream failed with rc=%Rrc:\n"
|
|---|
| 400 | " '%s'\n"
|
|---|
| 401 | " %*s^\n",
|
|---|
| 402 | rc, pszFile, pszError - pszFile, "");
|
|---|
| 403 | return RTMsgErrorExit(RTEXITCODE_FAILURE,
|
|---|
| 404 | "RTVfsChainOpenIoStream failed with rc=%Rrc: '%s'",
|
|---|
| 405 | rc, pszFile);
|
|---|
| 406 | }
|
|---|
| 407 | }
|
|---|
| 408 |
|
|---|
| 409 | return RTEXITCODE_SUCCESS;
|
|---|
| 410 |
|
|---|
| 411 | }
|
|---|
| 412 |
|
|---|
| 413 |
|
|---|
| 414 | /**
|
|---|
| 415 | * A mini GZIP program.
|
|---|
| 416 | *
|
|---|
| 417 | * @returns Program exit code.
|
|---|
| 418 | *
|
|---|
| 419 | * @param cArgs The number of arguments.
|
|---|
| 420 | * @param papszArgs The argument vector. (Note that this may be
|
|---|
| 421 | * reordered, so the memory must be writable.)
|
|---|
| 422 | */
|
|---|
| 423 | RTEXITCODE RTZipGzipCmd(unsigned cArgs, char **papszArgs)
|
|---|
| 424 | {
|
|---|
| 425 |
|
|---|
| 426 | /*
|
|---|
| 427 | * Parse the command line.
|
|---|
| 428 | */
|
|---|
| 429 | static const RTGETOPTDEF s_aOptions[] =
|
|---|
| 430 | {
|
|---|
| 431 | { "--ascii", 'a', RTGETOPT_REQ_NOTHING },
|
|---|
| 432 | { "--stdout", 'c', RTGETOPT_REQ_NOTHING },
|
|---|
| 433 | { "--to-stdout", 'c', RTGETOPT_REQ_NOTHING },
|
|---|
| 434 | { "--decompress", 'd', RTGETOPT_REQ_NOTHING },
|
|---|
| 435 | { "--uncompress", 'd', RTGETOPT_REQ_NOTHING },
|
|---|
| 436 | { "--force", 'f', RTGETOPT_REQ_NOTHING },
|
|---|
| 437 | { "--keep", 'k', RTGETOPT_REQ_NOTHING },
|
|---|
| 438 | { "--list", 'l', RTGETOPT_REQ_NOTHING },
|
|---|
| 439 | { "--no-name", 'n', RTGETOPT_REQ_NOTHING },
|
|---|
| 440 | { "--name", 'N', RTGETOPT_REQ_NOTHING },
|
|---|
| 441 | { "--quiet", 'q', RTGETOPT_REQ_NOTHING },
|
|---|
| 442 | { "--recursive", 'r', RTGETOPT_REQ_NOTHING },
|
|---|
| 443 | { "--suffix", 'S', RTGETOPT_REQ_STRING },
|
|---|
| 444 | { "--test", 't', RTGETOPT_REQ_NOTHING },
|
|---|
| 445 | { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
|
|---|
| 446 | { "--fast", '1', RTGETOPT_REQ_NOTHING },
|
|---|
| 447 | { "-1", '1', RTGETOPT_REQ_NOTHING },
|
|---|
| 448 | { "-2", '2', RTGETOPT_REQ_NOTHING },
|
|---|
| 449 | { "-3", '3', RTGETOPT_REQ_NOTHING },
|
|---|
| 450 | { "-4", '4', RTGETOPT_REQ_NOTHING },
|
|---|
| 451 | { "-5", '5', RTGETOPT_REQ_NOTHING },
|
|---|
| 452 | { "-6", '6', RTGETOPT_REQ_NOTHING },
|
|---|
| 453 | { "-7", '7', RTGETOPT_REQ_NOTHING },
|
|---|
| 454 | { "-8", '8', RTGETOPT_REQ_NOTHING },
|
|---|
| 455 | { "-9", '9', RTGETOPT_REQ_NOTHING },
|
|---|
| 456 | { "--best", '9', RTGETOPT_REQ_NOTHING }
|
|---|
| 457 | };
|
|---|
| 458 |
|
|---|
| 459 | RTGZIPCMDOPTS Opts;
|
|---|
| 460 | Opts.fAscii = false;
|
|---|
| 461 | Opts.fStdOut = false;
|
|---|
| 462 | Opts.fDecompress = false;
|
|---|
| 463 | Opts.fForce = false;
|
|---|
| 464 | Opts.fKeep = false;
|
|---|
| 465 | Opts.fList = false;
|
|---|
| 466 | Opts.fName = true;
|
|---|
| 467 | Opts.fQuiet = false;
|
|---|
| 468 | Opts.fRecursive = false;
|
|---|
| 469 | Opts.pszSuff = ".gz";
|
|---|
| 470 | Opts.fTest = false;
|
|---|
| 471 | Opts.uLevel = 6;
|
|---|
| 472 |
|
|---|
| 473 | RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
|
|---|
| 474 | unsigned cProcessed = 0;
|
|---|
| 475 | RTVFSIOSTREAM hVfsStdOut= NIL_RTVFSIOSTREAM;
|
|---|
| 476 |
|
|---|
| 477 | RTGETOPTSTATE GetState;
|
|---|
| 478 | int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1,
|
|---|
| 479 | RTGETOPTINIT_FLAGS_OPTS_FIRST);
|
|---|
| 480 | if (RT_FAILURE(rc))
|
|---|
| 481 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "RTGetOptInit: %Rrc", rc);
|
|---|
| 482 |
|
|---|
| 483 | for (;;)
|
|---|
| 484 | {
|
|---|
| 485 | RTGETOPTUNION ValueUnion;
|
|---|
| 486 | int chOpt = RTGetOpt(&GetState, &ValueUnion);
|
|---|
| 487 | switch (chOpt)
|
|---|
| 488 | {
|
|---|
| 489 | case 0:
|
|---|
| 490 | /*
|
|---|
| 491 | * If we've processed any files we're done. Otherwise take
|
|---|
| 492 | * input from stdin and write the output to stdout.
|
|---|
| 493 | */
|
|---|
| 494 | if (cProcessed > 0)
|
|---|
| 495 | return rcExit;
|
|---|
| 496 | ValueUnion.psz = "-";
|
|---|
| 497 | Opts.fStdOut = true;
|
|---|
| 498 | /* Fall thru. */
|
|---|
| 499 | case VINF_GETOPT_NOT_OPTION:
|
|---|
| 500 | {
|
|---|
| 501 | if (!*Opts.pszSuff && !Opts.fStdOut)
|
|---|
| 502 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "The --suffix option specified an empty string");
|
|---|
| 503 | if (!Opts.fStdOut && RTVfsChainIsSpec(ValueUnion.psz))
|
|---|
| 504 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Must use standard out with VFS chain specifications");
|
|---|
| 505 | if (Opts.fName)
|
|---|
| 506 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "The --name option has not yet been implemented. Use --no-name.");
|
|---|
| 507 | if (Opts.fAscii)
|
|---|
| 508 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "The --ascii option has not yet been implemented.");
|
|---|
| 509 | if (Opts.fRecursive)
|
|---|
| 510 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "The --recursive option has not yet been implemented.");
|
|---|
| 511 |
|
|---|
| 512 | /* Open the input file. */
|
|---|
| 513 | RTVFSIOSTREAM hVfsSrc;
|
|---|
| 514 | RTEXITCODE rcExit2 = gzipOpenInput(ValueUnion.psz, &Opts, &hVfsSrc);
|
|---|
| 515 | if (rcExit2 == RTEXITCODE_SUCCESS)
|
|---|
| 516 | {
|
|---|
| 517 | if (Opts.fList)
|
|---|
| 518 | rcExit2 = gzipListFile(&hVfsSrc, &Opts);
|
|---|
| 519 | else if (Opts.fTest)
|
|---|
| 520 | rcExit2 = gzipTestFile(&hVfsSrc, &Opts);
|
|---|
| 521 | else
|
|---|
| 522 | {
|
|---|
| 523 | RTVFSIOSTREAM hVfsDst;
|
|---|
| 524 | rcExit2 = gzipOpenOutput(ValueUnion.psz, &Opts, &hVfsDst);
|
|---|
| 525 | if (rcExit2 == RTEXITCODE_SUCCESS)
|
|---|
| 526 | {
|
|---|
| 527 | if (Opts.fDecompress)
|
|---|
| 528 | rcExit2 = gzipDecompressFile(&hVfsSrc, &Opts, &hVfsDst);
|
|---|
| 529 | else
|
|---|
| 530 | rcExit2 = gzipCompressFile(&hVfsSrc, &Opts, &hVfsDst);
|
|---|
| 531 | RTVfsIoStrmRelease(hVfsDst);
|
|---|
| 532 | }
|
|---|
| 533 | }
|
|---|
| 534 | RTVfsIoStrmRelease(hVfsSrc);
|
|---|
| 535 | }
|
|---|
| 536 | if (rcExit2 != RTEXITCODE_SUCCESS)
|
|---|
| 537 | rcExit = rcExit2;
|
|---|
| 538 |
|
|---|
| 539 | cProcessed++;
|
|---|
| 540 | break;
|
|---|
| 541 | }
|
|---|
| 542 |
|
|---|
| 543 | case 'a': Opts.fAscii = true; break;
|
|---|
| 544 | case 'c':
|
|---|
| 545 | Opts.fStdOut = true;
|
|---|
| 546 | Opts.fKeep = true;
|
|---|
| 547 | break;
|
|---|
| 548 | case 'd': Opts.fDecompress = true; break;
|
|---|
| 549 | case 'f': Opts.fForce = true; break;
|
|---|
| 550 | case 'k': Opts.fKeep = true; break;
|
|---|
| 551 | case 'l': Opts.fList = true; break;
|
|---|
| 552 | case 'n': Opts.fName = false; break;
|
|---|
| 553 | case 'N': Opts.fName = true; break;
|
|---|
| 554 | case 'q': Opts.fQuiet = true; break;
|
|---|
| 555 | case 'r': Opts.fRecursive = true; break;
|
|---|
| 556 | case 'S': Opts.pszSuff = ValueUnion.psz; break;
|
|---|
| 557 | case 't': Opts.fTest = true; break;
|
|---|
| 558 | case 'v': Opts.fQuiet = false; break;
|
|---|
| 559 | case '1': Opts.uLevel = 1; break;
|
|---|
| 560 | case '2': Opts.uLevel = 2; break;
|
|---|
| 561 | case '3': Opts.uLevel = 3; break;
|
|---|
| 562 | case '4': Opts.uLevel = 4; break;
|
|---|
| 563 | case '5': Opts.uLevel = 5; break;
|
|---|
| 564 | case '6': Opts.uLevel = 6; break;
|
|---|
| 565 | case '7': Opts.uLevel = 7; break;
|
|---|
| 566 | case '8': Opts.uLevel = 8; break;
|
|---|
| 567 | case '9': Opts.uLevel = 9; break;
|
|---|
| 568 |
|
|---|
| 569 | case 'h':
|
|---|
| 570 | RTPrintf("Usage: to be written\nOption dump:\n");
|
|---|
| 571 | for (unsigned i = 0; i < RT_ELEMENTS(s_aOptions); i++)
|
|---|
| 572 | RTPrintf(" -%c,%s\n", s_aOptions[i].iShort, s_aOptions[i].pszLong);
|
|---|
| 573 | return RTEXITCODE_SUCCESS;
|
|---|
| 574 |
|
|---|
| 575 | case 'V':
|
|---|
| 576 | RTPrintf("%sr%d\n", RTBldCfgVersion(), RTBldCfgRevision());
|
|---|
| 577 | return RTEXITCODE_SUCCESS;
|
|---|
| 578 |
|
|---|
| 579 | default:
|
|---|
| 580 | return RTGetOptPrintError(chOpt, &ValueUnion);
|
|---|
| 581 | }
|
|---|
| 582 | }
|
|---|
| 583 | }
|
|---|
| 584 |
|
|---|
| 585 |
|
|---|
| 586 | int main(int argc, char **argv)
|
|---|
| 587 | {
|
|---|
| 588 | int rc = RTR3InitExe(argc, &argv, 0);
|
|---|
| 589 | if (RT_FAILURE(rc))
|
|---|
| 590 | return RTMsgInitFailure(rc);
|
|---|
| 591 | return RTZipGzipCmd(argc, argv);
|
|---|
| 592 | }
|
|---|
| 593 |
|
|---|
