1 /****************************************************************************** 2 * 3 * Module Name: getopt 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 /* 153 * ACPICA getopt() implementation 154 * 155 * Option strings: 156 * "f" - Option has no arguments 157 * "f:" - Option requires an argument 158 * "f+" - Option has an optional argument 159 * "f^" - Option has optional single-char sub-options 160 * "f|" - Option has required single-char sub-options 161 */ 162 163 #include <contrib/dev/acpica/include/acpi.h> 164 #include <contrib/dev/acpica/include/accommon.h> 165 #include <contrib/dev/acpica/include/acapps.h> 166 167 #define ACPI_OPTION_ERROR(msg, badchar) \ 168 if (AcpiGbl_Opterr) {fprintf (stderr, "%s%c\n", msg, badchar);} 169 170 171 int AcpiGbl_Opterr = 1; 172 int AcpiGbl_Optind = 1; 173 int AcpiGbl_SubOptChar = 0; 174 char *AcpiGbl_Optarg; 175 176 static int CurrentCharPtr = 1; 177 178 179 /******************************************************************************* 180 * 181 * FUNCTION: AcpiGetoptArgument 182 * 183 * PARAMETERS: argc, argv - from main 184 * 185 * RETURN: 0 if an argument was found, -1 otherwise. Sets AcpiGbl_Optarg 186 * to point to the next argument. 187 * 188 * DESCRIPTION: Get the next argument. Used to obtain arguments for the 189 * two-character options after the original call to AcpiGetopt. 190 * Note: Either the argument starts at the next character after 191 * the option, or it is pointed to by the next argv entry. 192 * (After call to AcpiGetopt, we need to backup to the previous 193 * argv entry). 194 * 195 ******************************************************************************/ 196 197 int 198 AcpiGetoptArgument ( 199 int argc, 200 char **argv) 201 { 202 203 AcpiGbl_Optind--; 204 CurrentCharPtr++; 205 206 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 207 { 208 AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)]; 209 } 210 else if (++AcpiGbl_Optind >= argc) 211 { 212 ACPI_OPTION_ERROR ("\nOption requires an argument", 0); 213 214 CurrentCharPtr = 1; 215 return (-1); 216 } 217 else 218 { 219 AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; 220 } 221 222 CurrentCharPtr = 1; 223 return (0); 224 } 225 226 227 /******************************************************************************* 228 * 229 * FUNCTION: AcpiGetopt 230 * 231 * PARAMETERS: argc, argv - from main 232 * opts - options info list 233 * 234 * RETURN: Option character or ACPI_OPT_END 235 * 236 * DESCRIPTION: Get the next option 237 * 238 ******************************************************************************/ 239 240 int 241 AcpiGetopt( 242 int argc, 243 char **argv, 244 char *opts) 245 { 246 int CurrentChar; 247 char *OptsPtr; 248 249 250 if (CurrentCharPtr == 1) 251 { 252 if (AcpiGbl_Optind >= argc || 253 argv[AcpiGbl_Optind][0] != '-' || 254 argv[AcpiGbl_Optind][1] == '\0') 255 { 256 return (ACPI_OPT_END); 257 } 258 else if (strcmp (argv[AcpiGbl_Optind], "--") == 0) 259 { 260 AcpiGbl_Optind++; 261 return (ACPI_OPT_END); 262 } 263 } 264 265 /* Get the option */ 266 267 CurrentChar = argv[AcpiGbl_Optind][CurrentCharPtr]; 268 269 /* Make sure that the option is legal */ 270 271 if (CurrentChar == ':' || 272 (OptsPtr = strchr (opts, CurrentChar)) == NULL) 273 { 274 ACPI_OPTION_ERROR ("Illegal option: -", CurrentChar); 275 276 if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 277 { 278 AcpiGbl_Optind++; 279 CurrentCharPtr = 1; 280 } 281 282 return ('?'); 283 } 284 285 /* Option requires an argument? */ 286 287 if (*++OptsPtr == ':') 288 { 289 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 290 { 291 AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)]; 292 } 293 else if (++AcpiGbl_Optind >= argc) 294 { 295 ACPI_OPTION_ERROR ( 296 "Option requires an argument: -", CurrentChar); 297 298 CurrentCharPtr = 1; 299 return ('?'); 300 } 301 else 302 { 303 AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; 304 } 305 306 CurrentCharPtr = 1; 307 } 308 309 /* Option has an optional argument? */ 310 311 else if (*OptsPtr == '+') 312 { 313 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 314 { 315 AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)]; 316 } 317 else if (++AcpiGbl_Optind >= argc) 318 { 319 AcpiGbl_Optarg = NULL; 320 } 321 else 322 { 323 AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; 324 } 325 326 CurrentCharPtr = 1; 327 } 328 329 /* Option has optional single-char arguments? */ 330 331 else if (*OptsPtr == '^') 332 { 333 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 334 { 335 AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)]; 336 } 337 else 338 { 339 AcpiGbl_Optarg = "^"; 340 } 341 342 AcpiGbl_SubOptChar = AcpiGbl_Optarg[0]; 343 AcpiGbl_Optind++; 344 CurrentCharPtr = 1; 345 } 346 347 /* Option has a required single-char argument? */ 348 349 else if (*OptsPtr == '|') 350 { 351 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 352 { 353 AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)]; 354 } 355 else 356 { 357 ACPI_OPTION_ERROR ( 358 "Option requires a single-character suboption: -", 359 CurrentChar); 360 361 CurrentCharPtr = 1; 362 return ('?'); 363 } 364 365 AcpiGbl_SubOptChar = AcpiGbl_Optarg[0]; 366 AcpiGbl_Optind++; 367 CurrentCharPtr = 1; 368 } 369 370 /* Option with no arguments */ 371 372 else 373 { 374 if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 375 { 376 CurrentCharPtr = 1; 377 AcpiGbl_Optind++; 378 } 379 380 AcpiGbl_Optarg = NULL; 381 } 382 383 return (CurrentChar); 384 } 385