| 1 | /* $Id: submit.c 2840 2016-08-25 21:47:04Z bird $ */
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| 2 | /** @file
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| 3 | * kMk Builtin command - submit job to a kWorker.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (c) 2007-2016 knut st. osmundsen <bird-kBuild-spamx@anduin.net>
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| 8 | *
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| 9 | * This file is part of kBuild.
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| 10 | *
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| 11 | * kBuild is free software; you can redistribute it and/or modify
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| 12 | * it under the terms of the GNU General Public License as published by
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| 13 | * the Free Software Foundation; either version 3 of the License, or
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| 14 | * (at your option) any later version.
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| 15 | *
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| 16 | * kBuild is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with kBuild. If not, see <http://www.gnu.org/licenses/>
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| 23 | *
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| 24 | */
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| 25 |
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| 26 | /*******************************************************************************
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| 27 | * Header Files *
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| 28 | *******************************************************************************/
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| 29 | #ifdef __APPLE__
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| 30 | # define _POSIX_C_SOURCE 1 /* 10.4 sdk and unsetenv */
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| 31 | #endif
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| 32 | #include "make.h"
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| 33 | #include "job.h"
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| 34 | #include "variable.h"
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| 35 | #include "pathstuff.h"
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| 36 | #include <stdio.h>
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| 37 | #include <stdlib.h>
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| 38 | #include <string.h>
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| 39 | #include <errno.h>
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| 40 | #ifdef HAVE_ALLOCA_H
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| 41 | # include <alloca.h>
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| 42 | #endif
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| 43 | #if defined(_MSC_VER)
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| 44 | # include <ctype.h>
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| 45 | # include <io.h>
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| 46 | # include <direct.h>
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| 47 | # include <process.h>
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| 48 | #else
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| 49 | # include <unistd.h>
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| 50 | #endif
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| 51 |
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| 52 | #include "kmkbuiltin.h"
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| 53 | #include "err.h"
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| 54 |
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| 55 | #ifdef __OS2__
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| 56 | # define INCL_BASE
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| 57 | # include <os2.h>
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| 58 | # ifndef LIBPATHSTRICT
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| 59 | # define LIBPATHSTRICT 3
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| 60 | # endif
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| 61 | #endif
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| 62 |
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| 63 | /*********************************************************************************************************************************
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| 64 | * Structures and Typedefs *
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| 65 | *********************************************************************************************************************************/
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| 66 | typedef struct WORKERINSTANCE *PWORKERINSTANCE;
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| 67 | typedef struct WORKERINSTANCE
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| 68 | {
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| 69 | /** Pointer to the next worker instance. */
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| 70 | PWORKERINSTANCE pNext;
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| 71 | /** Pointer to the previous worker instance. */
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| 72 | PWORKERINSTANCE pPrev;
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| 73 | /** 32 or 64. */
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| 74 | unsigned cBits;
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| 75 | /** The process handle. */
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| 76 | HANDLE hProcess;
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| 77 |
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| 78 | } WORKERINSTANCE;
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| 79 |
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| 80 |
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| 81 | /*********************************************************************************************************************************
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| 82 | * Global Variables *
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| 83 | *********************************************************************************************************************************/
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| 84 | static PWORKERINSTANCE g_pIdleHead;
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| 85 | static PWORKERINSTANCE g_pIdleTail;
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| 86 |
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| 87 |
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| 88 |
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| 89 | static int usage(FILE *pOut, const char *argv0)
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| 90 | {
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| 91 | fprintf(pOut,
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| 92 | "usage: %s [-Z|--zap-env] [-E|--set <var=val>] [-U|--unset <var=val>]\n"
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| 93 | " [-C|--chdir <dir>] [--wcc-brain-damage]\n"
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| 94 | " [-3|--32-bit] [-6|--64-bit] [-v] -- <program> [args]\n"
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| 95 | " or: %s --help\n"
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| 96 | " or: %s --version\n"
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| 97 | "\n"
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| 98 | "Options:\n"
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| 99 | " -Z, --zap-env, -i, --ignore-environment\n"
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| 100 | " Zaps the environment. Position dependent.\n"
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| 101 | " -E, --set <var>=[value]\n"
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| 102 | " Sets an enviornment variable putenv fashion. Position dependent.\n"
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| 103 | " -U, --unset <var>\n"
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| 104 | " Removes an environment variable. Position dependent.\n"
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| 105 | " -C, --chdir <dir>\n"
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| 106 | " Specifies the current directory for the program. Relative paths\n"
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| 107 | " are relative to the previous -C option. Default is getcwd value.\n"
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| 108 | " -3, --32-bit\n"
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| 109 | " Selects a 32-bit kWorker process. Default: kmk bit count\n"
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| 110 | " -6, --64-bit\n"
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| 111 | " Selects a 64-bit kWorker process. Default: kmk bit count\n"
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| 112 | " --wcc-brain-damage\n"
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| 113 | " Works around wcc and wcc386 (Open Watcom) not following normal\n"
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| 114 | " quoting conventions on Windows, OS/2, and DOS.\n"
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| 115 | " -v,--verbose\n"
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| 116 | " More verbose execution.\n"
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| 117 | " -V,--version\n"
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| 118 | " Show the version number.\n"
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| 119 | " -h,--help\n"
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| 120 | " Show this usage information.\n"
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| 121 | "\n"
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| 122 | ,
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| 123 | argv0, argv0, argv0);
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| 124 | return 1;
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| 125 | }
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| 126 |
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| 127 |
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| 128 | int kmk_builtin_kSubmit(int argc, char **argv, char **envp, struct child *pChild)
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| 129 | {
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| 130 | int rcExit = 0;
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| 131 | int iArg;
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| 132 | unsigned cAllocatedEnvVars;
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| 133 | unsigned iEnvVar;
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| 134 | unsigned cEnvVars;
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| 135 | char **papszEnv = NULL;
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| 136 | const char *pszCwd = NULL;
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| 137 | unsigned cBitsWorker = 0;
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| 138 | int fWatcomBrainDamage = 0;
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| 139 | int cVerbosity = 0;
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| 140 | size_t const cbCwdBuf = GET_PATH_MAX;
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| 141 | PATH_VAR(szCwd);
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| 142 |
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| 143 | g_progname = argv[0];
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| 144 |
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| 145 | /*
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| 146 | * Create default program environment.
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| 147 | */
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| 148 | if (getcwd_fs(szCwd, cbCwdBuf) != NULL)
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| 149 | { /* likely */ }
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| 150 | else
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| 151 | return err(1, "getcwd_fs failed\n");
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| 152 |
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| 153 | papszEnv = pChild->environment;
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| 154 | if (papszEnv)
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| 155 | pChild->environment = papszEnv = target_environment(pChild->file);
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| 156 | cEnvVars = 0;
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| 157 | while (papszEnv[cEnvVars] != NULL)
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| 158 | cEnvVars++;
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| 159 | cAllocatedEnvVars = cEnvVars;
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| 160 |
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| 161 | /*
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| 162 | * Parse the command line.
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| 163 | */
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| 164 | for (iArg = 1; iArg < argc; iArg++)
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| 165 | {
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| 166 | const char *pszArg = argv[iArg];
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| 167 | if (*pszArg == '-')
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| 168 | {
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| 169 | char chOpt = *++pszArg;
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| 170 | if (chOpt != '-')
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| 171 | {
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| 172 | if (chOpt != '\0')
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| 173 | { /* likely */ }
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| 174 | else
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| 175 | {
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| 176 | errx(1, "Incomplete option: '-'");
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| 177 | return usage(stderr, argv[0]);
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| 178 | }
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| 179 | }
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| 180 | else
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| 181 | {
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| 182 | pszArg++;
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| 183 |
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| 184 | /* '--' indicates where the bits to execute start. */
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| 185 | if (*pszArg == '\0')
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| 186 | {
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| 187 | iArg++;
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| 188 | break;
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| 189 | }
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| 190 |
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| 191 | if (strcmp(pszArg, "watcom-brain-damage") == 0)
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| 192 | {
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| 193 | fWatcomBrainDamage = 1;
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| 194 | continue;
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| 195 | }
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| 196 |
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| 197 | /* convert to short. */
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| 198 | if (strcmp(pszArg, "help") == 0)
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| 199 | chOpt = 'h';
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| 200 | else if (strcmp(pszArg, "version") == 0)
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| 201 | chOpt = 'V';
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| 202 | else if (strcmp(pszArg, "set") == 0)
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| 203 | chOpt = 'E';
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| 204 | else if (strcmp(pszArg, "unset") == 0)
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| 205 | chOpt = 'U';
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| 206 | else if ( strcmp(pszArg, "zap-env") == 0
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| 207 | || strcmp(pszArg, "ignore-environment") == 0 /* GNU env compatibility. */ )
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| 208 | chOpt = 'Z';
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| 209 | else if (strcmp(pszArg, "chdir") == 0)
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| 210 | chOpt = 'C';
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| 211 | else if (strcmp(pszArg, "32-bit") == 0)
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| 212 | chOpt = '3';
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| 213 | else if (strcmp(pszArg, "64-bit") == 0)
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| 214 | chOpt = '6';
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| 215 | else if (strcmp(pszArg, "verbose") == 0)
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| 216 | chOpt = 'v';
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| 217 | else
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| 218 | {
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| 219 | errx(1, "Unknown option: '%s'", pszArg - 2);
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| 220 | return usage(stderr, argv[0]);
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| 221 | }
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| 222 | pszArg = "";
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| 223 | }
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| 224 |
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| 225 | do
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| 226 | {
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| 227 | /* Get option value first, if the option takes one. */
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| 228 | const char *pszValue = NULL;
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| 229 | switch (chOpt)
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| 230 | {
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| 231 | case 'E':
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| 232 | case 'U':
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| 233 | case 'C':
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| 234 | if (*pszArg != '\0')
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| 235 | pszValue = pszArg + (*pszArg == ':' || *pszArg == '=');
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| 236 | else if (++iArg < argc)
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| 237 | pszValue = argv[iArg];
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| 238 | else
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| 239 | {
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| 240 | errx(1, "Option -%c requires an value!", chOpt);
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| 241 | return usage(stderr, argv[0]);
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| 242 | }
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| 243 | break;
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| 244 | }
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| 245 |
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| 246 | switch (chOpt)
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| 247 | {
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| 248 | case 'Z':
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| 249 | case 'i': /* GNU env compatibility. */
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| 250 | for (iEnvVar = 0; iEnvVar < cEnvVars; iEnvVar++)
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| 251 | free(papszEnv[iEnvVar]);
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| 252 | papszEnv[0] = NULL;
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| 253 | cEnvVars = 0;
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| 254 | break;
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| 255 |
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| 256 | case 'E':
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| 257 | {
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| 258 | const char *pszEqual = strchr(pszValue, '=');
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| 259 | if (pszEqual)
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| 260 | {
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| 261 | size_t const cchVar = pszValue - pszEqual;
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| 262 | for (iEnvVar = 0; iEnvVar < cEnvVars; iEnvVar++)
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| 263 | if ( strncmp(papszEnv[iEnvVar], pszValue, cchVar) == 0
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| 264 | && papszEnv[iEnvVar][cchVar] == '=')
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| 265 | {
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| 266 | if (cVerbosity > 0)
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| 267 | fprintf(stderr, "kSubmit: replacing '%s' with '%s'\n", papszEnv[iEnvVar], pszValue);
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| 268 | free(papszEnv[iEnvVar]);
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| 269 | papszEnv[iEnvVar] = xstrdup(pszValue);
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| 270 | break;
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| 271 | }
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| 272 | if (iEnvVar == cEnvVars)
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| 273 | {
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| 274 | /* Append new variable. We probably need to resize the vector. */
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| 275 | if ((cEnvVars + 2) > cAllocatedEnvVars)
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| 276 | {
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| 277 | cAllocatedEnvVars = (cEnvVars + 2 + 0xf) & ~(unsigned)0xf;
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| 278 | pChild->environment = papszEnv = (char **)xrealloc(papszEnv,
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| 279 | cAllocatedEnvVars * sizeof(papszEnv[0]));
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| 280 | }
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| 281 | papszEnv[cEnvVars++] = xstrdup(pszValue);
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| 282 | papszEnv[cEnvVars] = NULL;
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| 283 | if (cVerbosity > 0)
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| 284 | fprintf(stderr, "kSubmit: added '%s'\n", papszEnv[iEnvVar]);
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| 285 | }
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| 286 | else
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| 287 | {
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| 288 | /* Check for duplicates. */
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| 289 | for (iEnvVar++; iEnvVar < cEnvVars; iEnvVar++)
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| 290 | if ( strncmp(papszEnv[iEnvVar], pszValue, cchVar) == 0
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| 291 | && papszEnv[iEnvVar][cchVar] == '=')
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| 292 | {
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| 293 | if (cVerbosity > 0)
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| 294 | fprintf(stderr, "kSubmit: removing duplicate '%s'\n", papszEnv[iEnvVar]);
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| 295 | free(papszEnv[iEnvVar]);
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| 296 | cEnvVars--;
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| 297 | if (iEnvVar != cEnvVars)
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| 298 | papszEnv[iEnvVar] = papszEnv[cEnvVars];
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| 299 | papszEnv[cEnvVars] = NULL;
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| 300 | iEnvVar--;
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| 301 | }
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| 302 | }
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| 303 | }
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| 304 | else
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| 305 | return errx(1, "Missing '=': -E %s", pszValue);
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| 306 | break;
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| 307 | }
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| 308 |
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| 309 | case 'U':
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| 310 | {
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| 311 | if (strchr(pszValue, '=') == NULL)
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| 312 | {
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| 313 | unsigned cRemoved = 0;
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| 314 | size_t const cchVar = strlen(pszValue);
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| 315 | for (iEnvVar = 0; iEnvVar < cEnvVars; iEnvVar++)
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| 316 | if ( strncmp(papszEnv[iEnvVar], pszValue, cchVar) == 0
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| 317 | && papszEnv[iEnvVar][cchVar] == '=')
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| 318 | {
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| 319 | if (cVerbosity > 0)
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| 320 | fprintf(stderr, !cRemoved ? "kSubmit: removing '%s'\n"
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| 321 | : "kSubmit: removing duplicate '%s'\n", papszEnv[iEnvVar]);
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| 322 | free(papszEnv[iEnvVar]);
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| 323 | cEnvVars--;
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| 324 | if (iEnvVar != cEnvVars)
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| 325 | papszEnv[iEnvVar] = papszEnv[cEnvVars];
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| 326 | papszEnv[cEnvVars] = NULL;
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| 327 | cRemoved++;
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| 328 | iEnvVar--;
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| 329 | }
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| 330 | if (cVerbosity > 0 && !cRemoved)
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| 331 | fprintf(stderr, "kSubmit: not found '%s'\n", pszValue);
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| 332 | }
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| 333 | else
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| 334 | return errx(1, "Found invalid variable name character '=' in: -U %s", pszValue);
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| 335 | break;
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| 336 | }
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| 337 |
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| 338 | case 'C':
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| 339 | {
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| 340 | size_t cchNewCwd = strlen(pszValue);
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| 341 | size_t offDst;
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| 342 | if (cchNewCwd)
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| 343 | {
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| 344 | #ifdef HAVE_DOS_PATHS
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| 345 | if (*pszValue == '/' || *pszValue == '\\')
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| 346 | {
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| 347 | if (pszValue[1] == '/' || pszValue[1] == '\\')
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| 348 | offDst = 0; /* UNC */
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| 349 | else if (szCwd[1] == ':' && isalpha(szCwd[0]))
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| 350 | offDst = 2; /* Take drive letter from CWD. */
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| 351 | else
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| 352 | return errx(1, "UNC relative CWD not implemented: cur='%s' new='%s'", szCwd, pszValue);
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| 353 | }
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| 354 | else if ( pszValue[1] == ':'
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| 355 | && isalpha(pszValue[0]))
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| 356 | {
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| 357 | if (pszValue[2] == '/'|| pszValue[2] == '\\')
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| 358 | offDst = 0; /* DOS style absolute path. */
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| 359 | else if ( szCwd[1] == ':'
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| 360 | && tolower(szCwd[0]) == tolower(pszValue[0]) )
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| 361 | {
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| 362 | pszValue += 2; /* Same drive as CWD, append drive relative path from value. */
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| 363 | cchNewCwd -= 2;
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| 364 | offDst = strlen(szCwd);
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| 365 | }
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| 366 | else
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| 367 | {
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| 368 | /* Get current CWD on the specified drive and append value. */
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| 369 | int iDrive = tolower(pszValue[0]) - 'a' + 1;
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| 370 | if (!_getdcwd(iDrive, szCwd, cbCwdBuf))
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| 371 | return err(1, "_getdcwd(%d,,) failed", iDrive);
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| 372 | pszValue += 2;
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| 373 | cchNewCwd -= 2;
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| 374 | }
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| 375 | }
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| 376 | #else
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| 377 | if (*pszValue == '/')
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| 378 | offDst = 0;
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| 379 | #endif
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| 380 | else
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| 381 | offDst = strlen(szCwd); /* Relative path, append to the existing CWD value. */
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| 382 |
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| 383 | /* Do the copying. */
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| 384 | #ifdef HAVE_DOS_PATHS
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| 385 | if (offDst > 0 && szCwd[offDst - 1] != '/' && szCwd[offDst - 1] != '\\')
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| 386 | #else
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| 387 | if (offDst > 0 && szCwd[offDst - 1] != '/')
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| 388 | #endif
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| 389 | szCwd[offDst++] = '/';
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| 390 | if (offDst + cchNewCwd >= cbCwdBuf)
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| 391 | return errx(1, "Too long CWD: %*.*s%s", offDst, offDst, szCwd, pszValue);
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| 392 | memcpy(&szCwd[offDst], pszValue, cchNewCwd + 1);
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| 393 | }
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| 394 | /* else: relative, no change - quitely ignore. */
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| 395 | break;
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| 396 | }
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| 397 |
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| 398 | case '3':
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| 399 | cBitsWorker = 32;
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| 400 | break;
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| 401 |
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|---|
| 402 | case '6':
|
|---|
| 403 | cBitsWorker = 64;
|
|---|
| 404 | break;
|
|---|
| 405 |
|
|---|
| 406 | case 'v':
|
|---|
| 407 | cVerbosity++;
|
|---|
| 408 | break;
|
|---|
| 409 |
|
|---|
| 410 | case 'h':
|
|---|
| 411 | usage(stdout, argv[0]);
|
|---|
| 412 | return 0;
|
|---|
| 413 |
|
|---|
| 414 | case 'V':
|
|---|
| 415 | printf("kmk_submit - kBuild version %d.%d.%d (r%u)\n"
|
|---|
| 416 | "Copyright (C) 2007-2016 knut st. osmundsen\n",
|
|---|
| 417 | KBUILD_VERSION_MAJOR, KBUILD_VERSION_MINOR, KBUILD_VERSION_PATCH,
|
|---|
| 418 | KBUILD_SVN_REV);
|
|---|
| 419 | return 0;
|
|---|
| 420 | }
|
|---|
| 421 | } while ((chOpt = *pszArg++) != '\0');
|
|---|
| 422 | }
|
|---|
| 423 | else
|
|---|
| 424 | {
|
|---|
| 425 | errx(1, "Unknown argument: '%s'", pszArg);
|
|---|
| 426 | return usage(stderr, argv[0]);
|
|---|
| 427 | }
|
|---|
| 428 | }
|
|---|
| 429 |
|
|---|
| 430 | /*
|
|---|
| 431 | * Check that we've got something to execute.
|
|---|
| 432 | */
|
|---|
| 433 | if (iArg < argc)
|
|---|
| 434 | {
|
|---|
| 435 |
|
|---|
| 436 | }
|
|---|
| 437 | else
|
|---|
| 438 | {
|
|---|
| 439 | errx(1, "Nothing to executed!");
|
|---|
| 440 | rcExit = usage(stderr, argv[0]);
|
|---|
| 441 | }
|
|---|
| 442 |
|
|---|
| 443 | return rcExit;
|
|---|
| 444 | }
|
|---|
| 445 |
|
|---|
| 446 |
|
|---|
| 447 |
|
|---|