aslfileio.c revision 1.2.10.2
1 1.2.10.2 tls /****************************************************************************** 2 1.2.10.2 tls * 3 1.2.10.2 tls * Module Name: aslfileio - File I/O support 4 1.2.10.2 tls * 5 1.2.10.2 tls *****************************************************************************/ 6 1.2.10.2 tls 7 1.2.10.2 tls /* 8 1.2.10.2 tls * Copyright (C) 2000 - 2013, Intel Corp. 9 1.2.10.2 tls * All rights reserved. 10 1.2.10.2 tls * 11 1.2.10.2 tls * Redistribution and use in source and binary forms, with or without 12 1.2.10.2 tls * modification, are permitted provided that the following conditions 13 1.2.10.2 tls * are met: 14 1.2.10.2 tls * 1. Redistributions of source code must retain the above copyright 15 1.2.10.2 tls * notice, this list of conditions, and the following disclaimer, 16 1.2.10.2 tls * without modification. 17 1.2.10.2 tls * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.2.10.2 tls * substantially similar to the "NO WARRANTY" disclaimer below 19 1.2.10.2 tls * ("Disclaimer") and any redistribution must be conditioned upon 20 1.2.10.2 tls * including a substantially similar Disclaimer requirement for further 21 1.2.10.2 tls * binary redistribution. 22 1.2.10.2 tls * 3. Neither the names of the above-listed copyright holders nor the names 23 1.2.10.2 tls * of any contributors may be used to endorse or promote products derived 24 1.2.10.2 tls * from this software without specific prior written permission. 25 1.2.10.2 tls * 26 1.2.10.2 tls * Alternatively, this software may be distributed under the terms of the 27 1.2.10.2 tls * GNU General Public License ("GPL") version 2 as published by the Free 28 1.2.10.2 tls * Software Foundation. 29 1.2.10.2 tls * 30 1.2.10.2 tls * NO WARRANTY 31 1.2.10.2 tls * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.2.10.2 tls * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.2.10.2 tls * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.2.10.2 tls * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.2.10.2 tls * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.2.10.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.2.10.2 tls * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.2.10.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.2.10.2 tls * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.2.10.2 tls * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.2.10.2 tls * POSSIBILITY OF SUCH DAMAGES. 42 1.2.10.2 tls */ 43 1.2.10.2 tls 44 1.2.10.2 tls #include "aslcompiler.h" 45 1.2.10.2 tls 46 1.2.10.2 tls #define _COMPONENT ACPI_COMPILER 47 1.2.10.2 tls ACPI_MODULE_NAME ("aslfileio") 48 1.2.10.2 tls 49 1.2.10.2 tls 50 1.2.10.2 tls /******************************************************************************* 51 1.2.10.2 tls * 52 1.2.10.2 tls * FUNCTION: AslAbort 53 1.2.10.2 tls * 54 1.2.10.2 tls * PARAMETERS: None 55 1.2.10.2 tls * 56 1.2.10.2 tls * RETURN: None 57 1.2.10.2 tls * 58 1.2.10.2 tls * DESCRIPTION: Dump the error log and abort the compiler. Used for serious 59 1.2.10.2 tls * I/O errors. 60 1.2.10.2 tls * 61 1.2.10.2 tls ******************************************************************************/ 62 1.2.10.2 tls 63 1.2.10.2 tls void 64 1.2.10.2 tls AslAbort ( 65 1.2.10.2 tls void) 66 1.2.10.2 tls { 67 1.2.10.2 tls 68 1.2.10.2 tls AePrintErrorLog (ASL_FILE_STDERR); 69 1.2.10.2 tls if (Gbl_DebugFlag) 70 1.2.10.2 tls { 71 1.2.10.2 tls /* Print error summary to stdout also */ 72 1.2.10.2 tls 73 1.2.10.2 tls AePrintErrorLog (ASL_FILE_STDOUT); 74 1.2.10.2 tls } 75 1.2.10.2 tls 76 1.2.10.2 tls exit (1); 77 1.2.10.2 tls } 78 1.2.10.2 tls 79 1.2.10.2 tls 80 1.2.10.2 tls /******************************************************************************* 81 1.2.10.2 tls * 82 1.2.10.2 tls * FUNCTION: FlFileError 83 1.2.10.2 tls * 84 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array 85 1.2.10.2 tls * ErrorId - Index into error message array 86 1.2.10.2 tls * 87 1.2.10.2 tls * RETURN: None 88 1.2.10.2 tls * 89 1.2.10.2 tls * DESCRIPTION: Decode errno to an error message and add the entire error 90 1.2.10.2 tls * to the error log. 91 1.2.10.2 tls * 92 1.2.10.2 tls ******************************************************************************/ 93 1.2.10.2 tls 94 1.2.10.2 tls void 95 1.2.10.2 tls FlFileError ( 96 1.2.10.2 tls UINT32 FileId, 97 1.2.10.2 tls UINT8 ErrorId) 98 1.2.10.2 tls { 99 1.2.10.2 tls 100 1.2.10.2 tls snprintf (MsgBuffer, sizeof(MsgBuffer), "\"%s\" (%s)", Gbl_Files[FileId].Filename, 101 1.2.10.2 tls strerror (errno)); 102 1.2.10.2 tls AslCommonError (ASL_ERROR, ErrorId, 0, 0, 0, 0, NULL, MsgBuffer); 103 1.2.10.2 tls } 104 1.2.10.2 tls 105 1.2.10.2 tls 106 1.2.10.2 tls /******************************************************************************* 107 1.2.10.2 tls * 108 1.2.10.2 tls * FUNCTION: FlOpenFile 109 1.2.10.2 tls * 110 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array 111 1.2.10.2 tls * Filename - file pathname to open 112 1.2.10.2 tls * Mode - Open mode for fopen 113 1.2.10.2 tls * 114 1.2.10.2 tls * RETURN: None 115 1.2.10.2 tls * 116 1.2.10.2 tls * DESCRIPTION: Open a file. 117 1.2.10.2 tls * NOTE: Aborts compiler on any error. 118 1.2.10.2 tls * 119 1.2.10.2 tls ******************************************************************************/ 120 1.2.10.2 tls 121 1.2.10.2 tls void 122 1.2.10.2 tls FlOpenFile ( 123 1.2.10.2 tls UINT32 FileId, 124 1.2.10.2 tls char *Filename, 125 1.2.10.2 tls char *Mode) 126 1.2.10.2 tls { 127 1.2.10.2 tls FILE *File; 128 1.2.10.2 tls 129 1.2.10.2 tls 130 1.2.10.2 tls File = fopen (Filename, Mode); 131 1.2.10.2 tls if (!File) 132 1.2.10.2 tls { 133 1.2.10.2 tls FlFileError (FileId, ASL_MSG_OPEN); 134 1.2.10.2 tls AslAbort (); 135 1.2.10.2 tls } 136 1.2.10.2 tls 137 1.2.10.2 tls Gbl_Files[FileId].Filename = Filename; 138 1.2.10.2 tls Gbl_Files[FileId].Handle = File; 139 1.2.10.2 tls } 140 1.2.10.2 tls 141 1.2.10.2 tls 142 1.2.10.2 tls /******************************************************************************* 143 1.2.10.2 tls * 144 1.2.10.2 tls * FUNCTION: FlGetFileSize 145 1.2.10.2 tls * 146 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array 147 1.2.10.2 tls * 148 1.2.10.2 tls * RETURN: File Size 149 1.2.10.2 tls * 150 1.2.10.2 tls * DESCRIPTION: Get current file size. Uses seek-to-EOF. File must be open. 151 1.2.10.2 tls * 152 1.2.10.2 tls ******************************************************************************/ 153 1.2.10.2 tls 154 1.2.10.2 tls UINT32 155 1.2.10.2 tls FlGetFileSize ( 156 1.2.10.2 tls UINT32 FileId) 157 1.2.10.2 tls { 158 1.2.10.2 tls FILE *fp; 159 1.2.10.2 tls UINT32 FileSize; 160 1.2.10.2 tls long Offset; 161 1.2.10.2 tls 162 1.2.10.2 tls 163 1.2.10.2 tls fp = Gbl_Files[FileId].Handle; 164 1.2.10.2 tls Offset = ftell (fp); 165 1.2.10.2 tls 166 1.2.10.2 tls fseek (fp, 0, SEEK_END); 167 1.2.10.2 tls FileSize = (UINT32) ftell (fp); 168 1.2.10.2 tls 169 1.2.10.2 tls /* Restore file pointer */ 170 1.2.10.2 tls 171 1.2.10.2 tls fseek (fp, Offset, SEEK_SET); 172 1.2.10.2 tls return (FileSize); 173 1.2.10.2 tls } 174 1.2.10.2 tls 175 1.2.10.2 tls 176 1.2.10.2 tls /******************************************************************************* 177 1.2.10.2 tls * 178 1.2.10.2 tls * FUNCTION: FlReadFile 179 1.2.10.2 tls * 180 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array 181 1.2.10.2 tls * Buffer - Where to place the data 182 1.2.10.2 tls * Length - Amount to read 183 1.2.10.2 tls * 184 1.2.10.2 tls * RETURN: Status. AE_ERROR indicates EOF. 185 1.2.10.2 tls * 186 1.2.10.2 tls * DESCRIPTION: Read data from an open file. 187 1.2.10.2 tls * NOTE: Aborts compiler on any error. 188 1.2.10.2 tls * 189 1.2.10.2 tls ******************************************************************************/ 190 1.2.10.2 tls 191 1.2.10.2 tls ACPI_STATUS 192 1.2.10.2 tls FlReadFile ( 193 1.2.10.2 tls UINT32 FileId, 194 1.2.10.2 tls void *Buffer, 195 1.2.10.2 tls UINT32 Length) 196 1.2.10.2 tls { 197 1.2.10.2 tls UINT32 Actual; 198 1.2.10.2 tls 199 1.2.10.2 tls 200 1.2.10.2 tls /* Read and check for error */ 201 1.2.10.2 tls 202 1.2.10.2 tls Actual = fread (Buffer, 1, Length, Gbl_Files[FileId].Handle); 203 1.2.10.2 tls if (Actual < Length) 204 1.2.10.2 tls { 205 1.2.10.2 tls if (feof (Gbl_Files[FileId].Handle)) 206 1.2.10.2 tls { 207 1.2.10.2 tls /* End-of-file, just return error */ 208 1.2.10.2 tls 209 1.2.10.2 tls return (AE_ERROR); 210 1.2.10.2 tls } 211 1.2.10.2 tls 212 1.2.10.2 tls FlFileError (FileId, ASL_MSG_READ); 213 1.2.10.2 tls AslAbort (); 214 1.2.10.2 tls } 215 1.2.10.2 tls 216 1.2.10.2 tls return (AE_OK); 217 1.2.10.2 tls } 218 1.2.10.2 tls 219 1.2.10.2 tls 220 1.2.10.2 tls /******************************************************************************* 221 1.2.10.2 tls * 222 1.2.10.2 tls * FUNCTION: FlWriteFile 223 1.2.10.2 tls * 224 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array 225 1.2.10.2 tls * Buffer - Data to write 226 1.2.10.2 tls * Length - Amount of data to write 227 1.2.10.2 tls * 228 1.2.10.2 tls * RETURN: None 229 1.2.10.2 tls * 230 1.2.10.2 tls * DESCRIPTION: Write data to an open file. 231 1.2.10.2 tls * NOTE: Aborts compiler on any error. 232 1.2.10.2 tls * 233 1.2.10.2 tls ******************************************************************************/ 234 1.2.10.2 tls 235 1.2.10.2 tls void 236 1.2.10.2 tls FlWriteFile ( 237 1.2.10.2 tls UINT32 FileId, 238 1.2.10.2 tls void *Buffer, 239 1.2.10.2 tls UINT32 Length) 240 1.2.10.2 tls { 241 1.2.10.2 tls UINT32 Actual; 242 1.2.10.2 tls 243 1.2.10.2 tls 244 1.2.10.2 tls /* Write and check for error */ 245 1.2.10.2 tls 246 1.2.10.2 tls Actual = fwrite ((char *) Buffer, 1, Length, Gbl_Files[FileId].Handle); 247 1.2.10.2 tls if (Actual != Length) 248 1.2.10.2 tls { 249 1.2.10.2 tls FlFileError (FileId, ASL_MSG_WRITE); 250 1.2.10.2 tls AslAbort (); 251 1.2.10.2 tls } 252 1.2.10.2 tls } 253 1.2.10.2 tls 254 1.2.10.2 tls 255 1.2.10.2 tls /******************************************************************************* 256 1.2.10.2 tls * 257 1.2.10.2 tls * FUNCTION: FlPrintFile 258 1.2.10.2 tls * 259 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array 260 1.2.10.2 tls * Format - Printf format string 261 1.2.10.2 tls * ... - Printf arguments 262 1.2.10.2 tls * 263 1.2.10.2 tls * RETURN: None 264 1.2.10.2 tls * 265 1.2.10.2 tls * DESCRIPTION: Formatted write to an open file. 266 1.2.10.2 tls * NOTE: Aborts compiler on any error. 267 1.2.10.2 tls * 268 1.2.10.2 tls ******************************************************************************/ 269 1.2.10.2 tls 270 1.2.10.2 tls void 271 1.2.10.2 tls FlPrintFile ( 272 1.2.10.2 tls UINT32 FileId, 273 1.2.10.2 tls char *Format, 274 1.2.10.2 tls ...) 275 1.2.10.2 tls { 276 1.2.10.2 tls INT32 Actual; 277 1.2.10.2 tls va_list Args; 278 1.2.10.2 tls 279 1.2.10.2 tls 280 1.2.10.2 tls va_start (Args, Format); 281 1.2.10.2 tls 282 1.2.10.2 tls Actual = vfprintf (Gbl_Files[FileId].Handle, Format, Args); 283 1.2.10.2 tls va_end (Args); 284 1.2.10.2 tls 285 1.2.10.2 tls if (Actual == -1) 286 1.2.10.2 tls { 287 1.2.10.2 tls FlFileError (FileId, ASL_MSG_WRITE); 288 1.2.10.2 tls AslAbort (); 289 1.2.10.2 tls } 290 1.2.10.2 tls } 291 1.2.10.2 tls 292 1.2.10.2 tls 293 1.2.10.2 tls /******************************************************************************* 294 1.2.10.2 tls * 295 1.2.10.2 tls * FUNCTION: FlSeekFile 296 1.2.10.2 tls * 297 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array 298 1.2.10.2 tls * Offset - Absolute byte offset in file 299 1.2.10.2 tls * 300 1.2.10.2 tls * RETURN: None 301 1.2.10.2 tls * 302 1.2.10.2 tls * DESCRIPTION: Seek to absolute offset. 303 1.2.10.2 tls * NOTE: Aborts compiler on any error. 304 1.2.10.2 tls * 305 1.2.10.2 tls ******************************************************************************/ 306 1.2.10.2 tls 307 1.2.10.2 tls void 308 1.2.10.2 tls FlSeekFile ( 309 1.2.10.2 tls UINT32 FileId, 310 1.2.10.2 tls long Offset) 311 1.2.10.2 tls { 312 1.2.10.2 tls int Error; 313 1.2.10.2 tls 314 1.2.10.2 tls 315 1.2.10.2 tls Error = fseek (Gbl_Files[FileId].Handle, Offset, SEEK_SET); 316 1.2.10.2 tls if (Error) 317 1.2.10.2 tls { 318 1.2.10.2 tls FlFileError (FileId, ASL_MSG_SEEK); 319 1.2.10.2 tls AslAbort (); 320 1.2.10.2 tls } 321 1.2.10.2 tls } 322 1.2.10.2 tls 323 1.2.10.2 tls 324 1.2.10.2 tls /******************************************************************************* 325 1.2.10.2 tls * 326 1.2.10.2 tls * FUNCTION: FlCloseFile 327 1.2.10.2 tls * 328 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array 329 1.2.10.2 tls * 330 1.2.10.2 tls * RETURN: None 331 1.2.10.2 tls * 332 1.2.10.2 tls * DESCRIPTION: Close an open file. Aborts compiler on error 333 1.2.10.2 tls * 334 1.2.10.2 tls ******************************************************************************/ 335 1.2.10.2 tls 336 1.2.10.2 tls void 337 1.2.10.2 tls FlCloseFile ( 338 1.2.10.2 tls UINT32 FileId) 339 1.2.10.2 tls { 340 1.2.10.2 tls int Error; 341 1.2.10.2 tls 342 1.2.10.2 tls 343 1.2.10.2 tls if (!Gbl_Files[FileId].Handle) 344 1.2.10.2 tls { 345 1.2.10.2 tls return; 346 1.2.10.2 tls } 347 1.2.10.2 tls 348 1.2.10.2 tls Error = fclose (Gbl_Files[FileId].Handle); 349 1.2.10.2 tls if (Error) 350 1.2.10.2 tls { 351 1.2.10.2 tls FlFileError (FileId, ASL_MSG_CLOSE); 352 1.2.10.2 tls AslAbort (); 353 1.2.10.2 tls } 354 1.2.10.2 tls 355 1.2.10.2 tls Gbl_Files[FileId].Handle = NULL; 356 1.2.10.2 tls return; 357 1.2.10.2 tls } 358 1.2.10.2 tls 359 1.2.10.2 tls 360 1.2.10.2 tls /******************************************************************************* 361 1.2.10.2 tls * 362 1.2.10.2 tls * FUNCTION: FlDeleteFile 363 1.2.10.2 tls * 364 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array 365 1.2.10.2 tls * 366 1.2.10.2 tls * RETURN: None 367 1.2.10.2 tls * 368 1.2.10.2 tls * DESCRIPTION: Delete a file. 369 1.2.10.2 tls * 370 1.2.10.2 tls ******************************************************************************/ 371 1.2.10.2 tls 372 1.2.10.2 tls void 373 1.2.10.2 tls FlDeleteFile ( 374 1.2.10.2 tls UINT32 FileId) 375 1.2.10.2 tls { 376 1.2.10.2 tls ASL_FILE_INFO *Info = &Gbl_Files[FileId]; 377 1.2.10.2 tls 378 1.2.10.2 tls 379 1.2.10.2 tls if (!Info->Filename) 380 1.2.10.2 tls { 381 1.2.10.2 tls return; 382 1.2.10.2 tls } 383 1.2.10.2 tls 384 1.2.10.2 tls if (remove (Info->Filename)) 385 1.2.10.2 tls { 386 1.2.10.2 tls printf ("%s (%s file) ", 387 1.2.10.2 tls Info->Filename, Info->Description); 388 1.2.10.2 tls perror ("Could not delete"); 389 1.2.10.2 tls } 390 1.2.10.2 tls 391 1.2.10.2 tls Info->Filename = NULL; 392 1.2.10.2 tls return; 393 1.2.10.2 tls } 394
Indexes created Fri Oct 03 02:09:57 GMT 2025