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 - 2016, 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/* 117 * ACPICA getopt() implementation 118 * 119 * Option strings: 120 * "f" - Option has no arguments 121 * "f:" - Option requires an argument 122 * "f+" - Option has an optional argument 123 * "f^" - Option has optional single-char sub-options 124 * "f|" - Option has required single-char sub-options 125 */ 126 127#include "acpi.h" 128#include "accommon.h" 129#include "acapps.h" 130 131#define ACPI_OPTION_ERROR(msg, badchar) \ 132 if (AcpiGbl_Opterr) {AcpiLogError ("%s%c\n", msg, badchar);} 133 134 135int AcpiGbl_Opterr = 1; 136int AcpiGbl_Optind = 1; 137int AcpiGbl_SubOptChar = 0; 138char *AcpiGbl_Optarg; 139 140static int CurrentCharPtr = 1; 141 142 143/******************************************************************************* 144 * 145 * FUNCTION: AcpiGetoptArgument 146 * 147 * PARAMETERS: argc, argv - from main 148 * 149 * RETURN: 0 if an argument was found, -1 otherwise. Sets AcpiGbl_Optarg 150 * to point to the next argument. 151 * 152 * DESCRIPTION: Get the next argument. Used to obtain arguments for the 153 * two-character options after the original call to AcpiGetopt. 154 * Note: Either the argument starts at the next character after 155 * the option, or it is pointed to by the next argv entry. 156 * (After call to AcpiGetopt, we need to backup to the previous 157 * argv entry). 158 * 159 ******************************************************************************/ 160 161int 162AcpiGetoptArgument ( 163 int argc, 164 char **argv) 165{ 166 167 AcpiGbl_Optind--; 168 CurrentCharPtr++; 169 170 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 171 { 172 AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)]; 173 } 174 else if (++AcpiGbl_Optind >= argc) 175 { 176 ACPI_OPTION_ERROR ("\nOption requires an argument", 0); 177 178 CurrentCharPtr = 1; 179 return (-1); 180 } 181 else 182 { 183 AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; 184 } 185 186 CurrentCharPtr = 1; 187 return (0); 188} 189 190 191/******************************************************************************* 192 * 193 * FUNCTION: AcpiGetopt 194 * 195 * PARAMETERS: argc, argv - from main 196 * opts - options info list 197 * 198 * RETURN: Option character or ACPI_OPT_END 199 * 200 * DESCRIPTION: Get the next option 201 * 202 ******************************************************************************/ 203 204int 205AcpiGetopt( 206 int argc, 207 char **argv, 208 char *opts) 209{ 210 int CurrentChar; 211 char *OptsPtr; 212 213 214 if (CurrentCharPtr == 1) 215 { 216 if (AcpiGbl_Optind >= argc || 217 argv[AcpiGbl_Optind][0] != '-' || 218 argv[AcpiGbl_Optind][1] == '\0') 219 { 220 return (ACPI_OPT_END); 221 } 222 else if (strcmp (argv[AcpiGbl_Optind], "--") == 0) 223 { 224 AcpiGbl_Optind++; 225 return (ACPI_OPT_END); 226 } 227 } 228 229 /* Get the option */ 230 231 CurrentChar = argv[AcpiGbl_Optind][CurrentCharPtr]; 232 233 /* Make sure that the option is legal */ 234 235 if (CurrentChar == ':' || 236 (OptsPtr = strchr (opts, CurrentChar)) == NULL) 237 { 238 ACPI_OPTION_ERROR ("Illegal option: -", CurrentChar); 239 240 if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 241 { 242 AcpiGbl_Optind++; 243 CurrentCharPtr = 1; 244 } 245 246 return ('?'); 247 } 248 249 /* Option requires an argument? */ 250 251 if (*++OptsPtr == ':') 252 { 253 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 254 { 255 AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)]; 256 } 257 else if (++AcpiGbl_Optind >= argc) 258 { 259 ACPI_OPTION_ERROR ( 260 "Option requires an argument: -", CurrentChar); 261 262 CurrentCharPtr = 1; 263 return ('?'); 264 } 265 else 266 { 267 AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; 268 } 269 270 CurrentCharPtr = 1; 271 } 272 273 /* Option has an optional argument? */ 274 275 else if (*OptsPtr == '+') 276 { 277 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 278 { 279 AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)]; 280 } 281 else if (++AcpiGbl_Optind >= argc) 282 { 283 AcpiGbl_Optarg = NULL; 284 } 285 else 286 { 287 AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; 288 } 289 290 CurrentCharPtr = 1; 291 } 292 293 /* Option has optional single-char arguments? */ 294 295 else if (*OptsPtr == '^') 296 { 297 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 298 { 299 AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)]; 300 } 301 else 302 { 303 AcpiGbl_Optarg = "^"; 304 } 305 306 AcpiGbl_SubOptChar = AcpiGbl_Optarg[0]; 307 AcpiGbl_Optind++; 308 CurrentCharPtr = 1; 309 } 310 311 /* Option has a required single-char argument? */ 312 313 else if (*OptsPtr == '|') 314 { 315 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 316 { 317 AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)]; 318 } 319 else 320 { 321 ACPI_OPTION_ERROR ( 322 "Option requires a single-character suboption: -", 323 CurrentChar); 324 325 CurrentCharPtr = 1; 326 return ('?'); 327 } 328 329 AcpiGbl_SubOptChar = AcpiGbl_Optarg[0]; 330 AcpiGbl_Optind++; 331 CurrentCharPtr = 1; 332 } 333 334 /* Option with no arguments */ 335 336 else 337 { 338 if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 339 { 340 CurrentCharPtr = 1; 341 AcpiGbl_Optind++; 342 } 343 344 AcpiGbl_Optarg = NULL; 345 } 346 347 return (CurrentChar); 348} 349