| 1 | /** $Id: VBoxReplaceDll.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBoxReplaceDll - helper for replacing a dll when it's in use by the system
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2013-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 |
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| 29 | /*********************************************************************************************************************************
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| 30 | * Header Files *
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| 31 | *********************************************************************************************************************************/
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| 32 | #define INCL_BASE
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| 33 | #include <os2.h>
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| 34 | #include <stdio.h>
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| 35 | #include <string.h>
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| 36 |
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| 37 |
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| 38 | static int usage(const char *argv0)
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| 39 | {
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| 40 | char *psz1 = strrchr(argv0, '\\');
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| 41 | if (psz1)
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| 42 | argv0 = psz1 + 1;
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| 43 | psz1 = strrchr(argv0, '/');
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| 44 | if (psz1)
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| 45 | argv0 = psz1 + 1;
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| 46 | psz1 = strrchr(argv0, ':');
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| 47 | if (psz1)
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| 48 | argv0 = psz1 + 1;
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| 49 |
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| 50 | printf("Usage: %s <dll1> [dll2 ...[dllN]]\n"
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| 51 | "\n"
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| 52 | "Tells the kernel to cache the specified DLLs in memory and close the\n"
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| 53 | "files on disk, allowing new DLL versions to be installed.\n"
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| 54 | "\n"
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| 55 | "Copyright (C) 2013-2020 Oracle Corporation\n",
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| 56 | argv0);
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| 57 | return 0;
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| 58 | }
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| 59 |
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| 60 | int main(int argc, char **argv)
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| 61 | {
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| 62 | int fOptions = 1;
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| 63 | int cProcessed = 0;
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| 64 | int i;
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| 65 | for (i = 1; i < argc; i++)
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| 66 | {
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| 67 | if ( fOptions
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| 68 | && argv[i][0] == '-')
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| 69 | {
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| 70 | if (!strcmp(argv[i], "--"))
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| 71 | fOptions = 0;
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| 72 | else if ( !strcmp(argv[i], "--help")
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| 73 | || !strcmp(argv[i], "-help")
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| 74 | || !strcmp(argv[i], "-h")
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| 75 | || !strcmp(argv[i], "-?") )
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| 76 | return usage(argv[0]);
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| 77 | else if ( !strcmp(argv[i], "--version")
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| 78 | || !strcmp(argv[i], "-V") )
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| 79 | {
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| 80 | printf("$Revision: 98103 $\n");
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| 81 | return 0;
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| 82 | }
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| 83 | else
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| 84 | {
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| 85 | fprintf(stderr, "syntax error: Invalid option '%s'!\n", argv[i]);
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| 86 | return 2;
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| 87 | }
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| 88 | }
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| 89 | else
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| 90 | {
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| 91 | /*
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| 92 | * Replace the specified DLL.
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| 93 | */
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| 94 | APIRET rc = DosReplaceModule((PCSZ)argv[i], NULL, NULL);
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| 95 | if (rc == NO_ERROR)
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| 96 | printf("info: Successfully cached '%s'.\n", argv[i]);
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| 97 | else
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| 98 | {
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| 99 | fprintf(stderr, "error: DosReplaceModule failed with rc=%lu on '%s'.\n", rc, argv[i]);
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| 100 | return 1;
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| 101 | }
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| 102 | cProcessed++;
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| 103 | }
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| 104 | }
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| 105 |
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| 106 | if (cProcessed == 0)
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| 107 | {
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| 108 | fprintf(stderr, "syntax error: No DLLs specified. (Consult --help for usage.)\n");
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| 109 | return 1;
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| 110 | }
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| 111 |
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| 112 | return 0;
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| 113 | }
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| 114 |
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