| 1 | |
| 2 | /* |
| 3 | * Copyright © 2001 Novell, Inc. All Rights Reserved. |
| 4 | * |
| 5 | * You may distribute under the terms of either the GNU General Public |
| 6 | * License or the Artistic License, as specified in the README file. |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * FILENAME : NWPipe.c |
| 12 | * DESCRIPTION : Functions to implement pipes on NetWare. |
| 13 | * Author : HYAK |
| 14 | * Date : January 2001. |
| 15 | * |
| 16 | */ |
| 17 | |
| 18 | |
| 19 | |
| 20 | #include <nwadv.h> |
| 21 | #include <nwdsdefs.h> |
| 22 | |
| 23 | #include "win32ish.h" |
| 24 | #include "nwpipe.h" |
| 25 | #include "nwplglob.h" |
| 26 | |
| 27 | |
| 28 | // This was added since the compile failed saying "undefined P_WAIT" |
| 29 | // when USE_ITHREADS was commented in the makefile |
| 30 | #ifndef P_WAIT |
| 31 | #define P_WAIT 0 |
| 32 | #endif |
| 33 | |
| 34 | #ifndef P_NOWAIT |
| 35 | #define P_NOWAIT 1 |
| 36 | #endif |
| 37 | |
| 38 | |
| 39 | |
| 40 | |
| 41 | /*============================================================================================ |
| 42 | |
| 43 | Function : fnPipeFileMakeArgv |
| 44 | |
| 45 | Description : This function makes the argument array. |
| 46 | |
| 47 | Parameters : ptpf (IN) - Input structure. |
| 48 | |
| 49 | Returns : Boolean. |
| 50 | |
| 51 | ==============================================================================================*/ |
| 52 | |
| 53 | BOOL fnPipeFileMakeArgv(PTEMPPIPEFILE ptpf) |
| 54 | { |
| 55 | int i=0, j=0; |
| 56 | int dindex = 0; |
| 57 | int sindex = 0; |
| 58 | |
| 59 | ptpf->m_argv_len = 0; |
| 60 | |
| 61 | |
| 62 | // Below 2 is added for the following reason: |
| 63 | // - The first one is for an additional value that will be added through ptpf->m_redirect. |
| 64 | // - The second one is for a NULL termination of the array. |
| 65 | // This is required for spawnvp API that takes a NULL-terminated array as its 3rd parameter. |
| 66 | // If the array is NOT NULL-terminated, then the server abends at the spawnvp call !! |
| 67 | ptpf->m_argv = (char **) malloc((ptpf->m_pipeCommand->m_argc + 2) * sizeof(char*)); |
| 68 | if (ptpf->m_argv == NULL) |
| 69 | return FALSE; |
| 70 | |
| 71 | // For memory allocation it is just +1 since the last one is only for NULL-termination |
| 72 | // and no memory is required to be allocated. |
| 73 | for(i=0; i<(ptpf->m_pipeCommand->m_argc + 1); i++) |
| 74 | { |
| 75 | ptpf->m_argv[i] = (char *) malloc(MAX_DN_BYTES * sizeof(char)); |
| 76 | if (ptpf->m_argv[i] == NULL) |
| 77 | { |
| 78 | for(j=0; j<i; j++) |
| 79 | { |
| 80 | if(ptpf->m_argv[j]) |
| 81 | { |
| 82 | free(ptpf->m_argv[j]); |
| 83 | ptpf->m_argv[j] = NULL; |
| 84 | } |
| 85 | } |
| 86 | free(ptpf->m_argv); |
| 87 | ptpf->m_argv = NULL; |
| 88 | |
| 89 | return FALSE; |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | // Copy over parsed items, removing "load" keyword if necessary. |
| 94 | sindex = ((stricmp(ptpf->m_pipeCommand->m_argv[0], LOAD_COMMAND) == 0) ? 1 : 0); |
| 95 | while (sindex < ptpf->m_pipeCommand->m_argc) |
| 96 | { |
| 97 | strcpy(ptpf->m_argv[dindex], ptpf->m_pipeCommand->m_argv[sindex]); |
| 98 | dindex++; |
| 99 | sindex++; |
| 100 | } |
| 101 | |
| 102 | if (stricmp(ptpf->m_argv[0], PERL_COMMAND_NAME) == 0) // If Perl is the first command. |
| 103 | { |
| 104 | ptpf->m_launchPerl = TRUE; |
| 105 | |
| 106 | #ifdef MPK_ON |
| 107 | ptpf->m_perlSynchSemaphore = kSemaphoreAlloc((BYTE *)"pipeSemaphore", 0); |
| 108 | #else |
| 109 | ptpf->m_perlSynchSemaphore = OpenLocalSemaphore(0); |
| 110 | #endif //MPK_ON |
| 111 | } |
| 112 | else if (stricmp(ptpf->m_argv[0], (char *)"perlglob") == 0) |
| 113 | ptpf->m_doPerlGlob = TRUE; |
| 114 | |
| 115 | |
| 116 | // Create last argument, which will redirect to or from the temp file |
| 117 | if (!ptpf->m_doPerlGlob || ptpf->m_mode) |
| 118 | { |
| 119 | if (!ptpf->m_mode) // If read mode? |
| 120 | { |
| 121 | if (ptpf->m_launchPerl) |
| 122 | strcpy(ptpf->m_redirect, (char *)">"); |
| 123 | else |
| 124 | strcpy(ptpf->m_redirect, (char *)"(CLIB_OPT)/>"); |
| 125 | } |
| 126 | else |
| 127 | { |
| 128 | if (ptpf->m_launchPerl) |
| 129 | strcpy(ptpf->m_redirect, (char *)"<"); |
| 130 | else |
| 131 | strcpy(ptpf->m_redirect, (char *)"(CLIB_OPT)/<"); |
| 132 | } |
| 133 | strcat(ptpf->m_redirect, ptpf->m_fileName); |
| 134 | |
| 135 | if (ptpf->m_launchPerl) |
| 136 | { |
| 137 | char tbuf[15] = {'\0'}; |
| 138 | sprintf(tbuf, (char *)" -{%x", ptpf->m_perlSynchSemaphore); |
| 139 | strcat(ptpf->m_redirect, tbuf); |
| 140 | } |
| 141 | |
| 142 | strcpy(ptpf->m_argv[dindex], (char*) ptpf->m_redirect); |
| 143 | dindex++; |
| 144 | } |
| 145 | |
| 146 | if (dindex < (ptpf->m_pipeCommand->m_argc + 1)) |
| 147 | { |
| 148 | if(ptpf->m_argv[dindex]) |
| 149 | { |
| 150 | free(ptpf->m_argv[dindex]); |
| 151 | ptpf->m_argv[dindex] = NULL; // NULL termination - required for spawnvp call. |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | ptpf->m_argv_len = dindex; // Length of the argv array OR number of argv string values. |
| 156 | ptpf->m_argv[ptpf->m_argv_len] = NULL; // NULL termination - required for spawnvp call. |
| 157 | |
| 158 | |
| 159 | return TRUE; |
| 160 | } |
| 161 | |
| 162 | |
| 163 | /*============================================================================================ |
| 164 | |
| 165 | Function : fnPipeFileOpen |
| 166 | |
| 167 | Description : This function opens the pipe file. |
| 168 | |
| 169 | Parameters : ptpf (IN) - Input structure. |
| 170 | command (IN) - Input command string. |
| 171 | mode (IN) - Mode of opening. |
| 172 | |
| 173 | Returns : File pointer. |
| 174 | |
| 175 | ==============================================================================================*/ |
| 176 | |
| 177 | FILE* fnPipeFileOpen(PTEMPPIPEFILE ptpf, char* command, char* mode) |
| 178 | { |
| 179 | int i=0, j=0; |
| 180 | |
| 181 | char tempName[_MAX_PATH] = {'\0'}; |
| 182 | |
| 183 | |
| 184 | ptpf->m_fileName = (char *) malloc(_MAX_PATH * sizeof(char)); |
| 185 | if(ptpf->m_fileName == NULL) |
| 186 | return NULL; |
| 187 | |
| 188 | // The char array is emptied so that there is no junk characters. |
| 189 | strncpy(ptpf->m_fileName, "", (_MAX_PATH * sizeof(char))); |
| 190 | |
| 191 | |
| 192 | // Save off stuff |
| 193 | // |
| 194 | if(strchr(mode,'r') != 0) |
| 195 | ptpf->m_mode = FALSE; // Read mode |
| 196 | else if(strchr(mode,'w') != 0) |
| 197 | ptpf->m_mode = TRUE; // Write mode |
| 198 | else |
| 199 | { |
| 200 | if(ptpf->m_fileName != NULL) |
| 201 | { |
| 202 | // if (strlen(ptpf->m_fileName)) |
| 203 | if (ptpf->m_fileName) |
| 204 | unlink(ptpf->m_fileName); |
| 205 | |
| 206 | free(ptpf->m_fileName); |
| 207 | ptpf->m_fileName = NULL; |
| 208 | } |
| 209 | |
| 210 | return NULL; |
| 211 | } |
| 212 | |
| 213 | |
| 214 | ptpf->m_pipeCommand = (PCOMMANDLINEPARSER) malloc(sizeof(COMMANDLINEPARSER)); |
| 215 | if (!ptpf->m_pipeCommand) |
| 216 | { |
| 217 | // if (strlen(ptpf->m_fileName)) |
| 218 | if (ptpf->m_fileName) |
| 219 | unlink(ptpf->m_fileName); |
| 220 | |
| 221 | free(ptpf->m_fileName); |
| 222 | ptpf->m_fileName = NULL; |
| 223 | |
| 224 | return NULL; |
| 225 | } |
| 226 | |
| 227 | // Initialise the variables |
| 228 | ptpf->m_pipeCommand->m_isValid = TRUE; |
| 229 | |
| 230 | /**** |
| 231 | // Commented since these are not being used. Still retained here. |
| 232 | // To be removed once things are proved to be working fine to a good confident level, |
| 233 | |
| 234 | ptpf->m_pipeCommand->m_redirInName = NULL; |
| 235 | ptpf->m_pipeCommand->m_redirOutName = NULL; |
| 236 | ptpf->m_pipeCommand->m_redirErrName = NULL; |
| 237 | ptpf->m_pipeCommand->m_redirBothName = NULL; |
| 238 | ptpf->m_pipeCommand->nextarg = NULL; |
| 239 | ****/ |
| 240 | |
| 241 | ptpf->m_pipeCommand->sSkippedToken = NULL; |
| 242 | ptpf->m_pipeCommand->m_argv = NULL; |
| 243 | ptpf->m_pipeCommand->new_argv = NULL; |
| 244 | |
| 245 | #ifdef MPK_ON |
| 246 | ptpf->m_pipeCommand->m_qSemaphore = NULL; |
| 247 | #else |
| 248 | ptpf->m_pipeCommand->m_qSemaphore = 0L; |
| 249 | #endif //MPK_ON |
| 250 | |
| 251 | ptpf->m_pipeCommand->m_noScreen = 0; |
| 252 | ptpf->m_pipeCommand->m_AutoDestroy = 0; |
| 253 | ptpf->m_pipeCommand->m_argc = 0; |
| 254 | ptpf->m_pipeCommand->m_argv_len = 1; |
| 255 | |
| 256 | |
| 257 | ptpf->m_pipeCommand->m_argv = (char **) malloc(ptpf->m_pipeCommand->m_argv_len * sizeof(char *)); |
| 258 | if (ptpf->m_pipeCommand->m_argv == NULL) |
| 259 | { |
| 260 | free(ptpf->m_pipeCommand); |
| 261 | ptpf->m_pipeCommand = NULL; |
| 262 | |
| 263 | // if (strlen(ptpf->m_fileName)) |
| 264 | if (ptpf->m_fileName) |
| 265 | unlink(ptpf->m_fileName); |
| 266 | |
| 267 | free(ptpf->m_fileName); |
| 268 | ptpf->m_fileName = NULL; |
| 269 | |
| 270 | return NULL; |
| 271 | } |
| 272 | ptpf->m_pipeCommand->m_argv[0] = (char *) malloc(MAX_DN_BYTES * sizeof(char)); |
| 273 | if (ptpf->m_pipeCommand->m_argv[0] == NULL) |
| 274 | { |
| 275 | for(j=0; j<i; j++) |
| 276 | { |
| 277 | if(ptpf->m_pipeCommand->m_argv[j]) |
| 278 | { |
| 279 | free(ptpf->m_pipeCommand->m_argv[j]); |
| 280 | ptpf->m_pipeCommand->m_argv[j]=NULL; |
| 281 | } |
| 282 | } |
| 283 | free(ptpf->m_pipeCommand->m_argv); |
| 284 | ptpf->m_pipeCommand->m_argv=NULL; |
| 285 | |
| 286 | free(ptpf->m_pipeCommand); |
| 287 | ptpf->m_pipeCommand = NULL; |
| 288 | |
| 289 | // if (strlen(ptpf->m_fileName)) |
| 290 | if (ptpf->m_fileName) |
| 291 | unlink(ptpf->m_fileName); |
| 292 | |
| 293 | free(ptpf->m_fileName); |
| 294 | ptpf->m_fileName = NULL; |
| 295 | |
| 296 | return NULL; |
| 297 | } |
| 298 | |
| 299 | |
| 300 | ptpf->m_redirect = (char *) malloc(MAX_DN_BYTES * sizeof(char)); |
| 301 | if (ptpf->m_redirect == NULL) |
| 302 | { |
| 303 | for(i=0; i<ptpf->m_pipeCommand->m_argv_len; i++) |
| 304 | { |
| 305 | if(ptpf->m_pipeCommand->m_argv[i] != NULL) |
| 306 | { |
| 307 | free(ptpf->m_pipeCommand->m_argv[i]); |
| 308 | ptpf->m_pipeCommand->m_argv[i] = NULL; |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | free(ptpf->m_pipeCommand->m_argv); |
| 313 | ptpf->m_pipeCommand->m_argv = NULL; |
| 314 | |
| 315 | free(ptpf->m_pipeCommand); |
| 316 | ptpf->m_pipeCommand = NULL; |
| 317 | |
| 318 | |
| 319 | // if (strlen(ptpf->m_fileName)) |
| 320 | if (ptpf->m_fileName) |
| 321 | unlink(ptpf->m_fileName); |
| 322 | |
| 323 | free(ptpf->m_fileName); |
| 324 | ptpf->m_fileName = NULL; |
| 325 | |
| 326 | return NULL; |
| 327 | } |
| 328 | |
| 329 | // The char array is emptied. |
| 330 | // If it is not done so, then it could contain some junk values and the string length in that case |
| 331 | // will not be zero. This causes erroneous results in fnPipeFileMakeArgv() function |
| 332 | // where strlen(ptpf->m_redirect) is used as a check for incrementing the parameter count and |
| 333 | // it will wrongly get incremented in such cases. |
| 334 | strncpy(ptpf->m_redirect, "", (MAX_DN_BYTES * sizeof(char))); |
| 335 | |
| 336 | // Parse the parameters. |
| 337 | fnCommandLineParser(ptpf->m_pipeCommand, (char *)command, TRUE); |
| 338 | if (!ptpf->m_pipeCommand->m_isValid) |
| 339 | { |
| 340 | fnTempPipeFileReleaseMemory(ptpf); |
| 341 | return NULL; |
| 342 | } |
| 343 | |
| 344 | |
| 345 | // Create a temporary file name |
| 346 | // |
| 347 | strncpy ( tempName, fnNwGetEnvironmentStr((char *)"TEMP", NWDEFPERLTEMP), (_MAX_PATH - 20) ); |
| 348 | tempName[_MAX_PATH-20] = '\0'; |
| 349 | strcat(tempName, (char *)"\\plXXXXXX.tmp"); |
| 350 | if (!fnMy_MkTemp(tempName)) |
| 351 | { |
| 352 | fnTempPipeFileReleaseMemory(ptpf); |
| 353 | return NULL; |
| 354 | } |
| 355 | |
| 356 | // create a temporary place-holder file |
| 357 | fclose(fopen(tempName, (char *)"w")); |
| 358 | strcpy(ptpf->m_fileName, tempName); |
| 359 | |
| 360 | |
| 361 | // Make the argument array |
| 362 | if(!fnPipeFileMakeArgv(ptpf)) |
| 363 | { |
| 364 | fnTempPipeFileReleaseMemory(ptpf); |
| 365 | |
| 366 | // Release additional memory |
| 367 | if(ptpf->m_argv != NULL) |
| 368 | { |
| 369 | for(i=0; i<ptpf->m_argv_len; i++) |
| 370 | { |
| 371 | if(ptpf->m_argv[i] != NULL) |
| 372 | { |
| 373 | free(ptpf->m_argv[i]); |
| 374 | ptpf->m_argv[i] = NULL; |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | free(ptpf->m_argv); |
| 379 | ptpf->m_argv = NULL; |
| 380 | } |
| 381 | |
| 382 | return NULL; |
| 383 | } |
| 384 | |
| 385 | |
| 386 | // Open the temp file in the appropriate way... |
| 387 | // |
| 388 | if (!ptpf->m_mode) // If Read mode? |
| 389 | { |
| 390 | // we wish to spawn a command, intercept its output, |
| 391 | // and then get that output |
| 392 | // |
| 393 | if (!ptpf->m_argv[0]) |
| 394 | { |
| 395 | fnTempPipeFileReleaseMemory(ptpf); |
| 396 | |
| 397 | // Release additional memory |
| 398 | if(ptpf->m_argv != NULL) |
| 399 | { |
| 400 | for(i=0; i<ptpf->m_argv_len; i++) |
| 401 | { |
| 402 | if(ptpf->m_argv[i] != NULL) |
| 403 | { |
| 404 | free(ptpf->m_argv[i]); |
| 405 | ptpf->m_argv[i] = NULL; |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | free(ptpf->m_argv); |
| 410 | ptpf->m_argv = NULL; |
| 411 | } |
| 412 | |
| 413 | return NULL; |
| 414 | } |
| 415 | |
| 416 | if (ptpf->m_launchPerl) |
| 417 | fnPipeFileDoPerlLaunch(ptpf); |
| 418 | else |
| 419 | if (ptpf->m_doPerlGlob) |
| 420 | fnDoPerlGlob(ptpf->m_argv, ptpf->m_fileName); // hack to do perl globbing |
| 421 | else |
| 422 | spawnvp(P_WAIT, ptpf->m_argv[0], ptpf->m_argv); |
| 423 | |
| 424 | ptpf->m_file = fopen (ptpf->m_fileName, (char *)"r"); // Get the Pipe file handle |
| 425 | } |
| 426 | else if (ptpf->m_mode) // If Write mode? |
| 427 | { |
| 428 | // we wish to open the file for writing now and |
| 429 | // do the command later |
| 430 | // |
| 431 | ptpf->m_file = fopen(ptpf->m_fileName, (char *)"w"); |
| 432 | } |
| 433 | |
| 434 | fnTempPipeFileReleaseMemory(ptpf); |
| 435 | |
| 436 | // Release additional memory |
| 437 | if(ptpf->m_argv != NULL) |
| 438 | { |
| 439 | for(i=0; i<(ptpf->m_argv_len); i++) |
| 440 | { |
| 441 | if(ptpf->m_argv[i] != NULL) |
| 442 | { |
| 443 | free(ptpf->m_argv[i]); |
| 444 | ptpf->m_argv[i] = NULL; |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | free(ptpf->m_argv); |
| 449 | ptpf->m_argv = NULL; |
| 450 | } |
| 451 | |
| 452 | |
| 453 | return ptpf->m_file; // Return the Pipe file handle. |
| 454 | } |
| 455 | |
| 456 | |
| 457 | /*============================================================================================ |
| 458 | |
| 459 | Function : fnPipeFileClose |
| 460 | |
| 461 | Description : This function closes the pipe file. |
| 462 | |
| 463 | Parameters : ptpf (IN) - Input structure. |
| 464 | |
| 465 | Returns : Nothing. |
| 466 | |
| 467 | ==============================================================================================*/ |
| 468 | |
| 469 | void fnPipeFileClose(PTEMPPIPEFILE ptpf) |
| 470 | { |
| 471 | int i = 0; |
| 472 | |
| 473 | if (ptpf->m_mode) // If Write mode? |
| 474 | { |
| 475 | // we wish to spawn a command using our temp file for |
| 476 | // its input |
| 477 | // |
| 478 | if(ptpf->m_file != NULL) |
| 479 | { |
| 480 | fclose (ptpf->m_file); |
| 481 | ptpf->m_file = NULL; |
| 482 | } |
| 483 | |
| 484 | if (ptpf->m_launchPerl) |
| 485 | fnPipeFileDoPerlLaunch(ptpf); |
| 486 | else if (ptpf->m_argv) |
| 487 | spawnvp(P_WAIT, ptpf->m_argv[0], ptpf->m_argv); |
| 488 | } |
| 489 | |
| 490 | |
| 491 | // Close the temporary Pipe File, if opened |
| 492 | if (ptpf->m_file) |
| 493 | { |
| 494 | fclose(ptpf->m_file); |
| 495 | ptpf->m_file = NULL; |
| 496 | } |
| 497 | // Delete the temporary Pipe Filename if still valid and free the memory associated with the file name. |
| 498 | if(ptpf->m_fileName != NULL) |
| 499 | { |
| 500 | // if (strlen(ptpf->m_fileName)) |
| 501 | if (ptpf->m_fileName) |
| 502 | unlink(ptpf->m_fileName); |
| 503 | |
| 504 | free(ptpf->m_fileName); |
| 505 | ptpf->m_fileName = NULL; |
| 506 | } |
| 507 | |
| 508 | /** |
| 509 | if(ptpf->m_argv != NULL) |
| 510 | { |
| 511 | for(i=0; i<(ptpf->m_argv_len); i++) |
| 512 | { |
| 513 | if(ptpf->m_argv[i] != NULL) |
| 514 | { |
| 515 | free(ptpf->m_argv[i]); |
| 516 | ptpf->m_argv[i] = NULL; |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | free(ptpf->m_argv); |
| 521 | ptpf->m_argv = NULL; |
| 522 | } |
| 523 | **/ |
| 524 | |
| 525 | if (ptpf->m_perlSynchSemaphore) |
| 526 | { |
| 527 | #ifdef MPK_ON |
| 528 | kSemaphoreFree(ptpf->m_perlSynchSemaphore); |
| 529 | #else |
| 530 | CloseLocalSemaphore(ptpf->m_perlSynchSemaphore); |
| 531 | #endif //MPK_ON |
| 532 | } |
| 533 | |
| 534 | |
| 535 | return; |
| 536 | } |
| 537 | |
| 538 | |
| 539 | /*============================================================================================ |
| 540 | |
| 541 | Function : fnPipeFileDoPerlLaunch |
| 542 | |
| 543 | Description : This function launches Perl. |
| 544 | |
| 545 | Parameters : ptpf (IN) - Input structure. |
| 546 | |
| 547 | Returns : Nothing. |
| 548 | |
| 549 | ==============================================================================================*/ |
| 550 | |
| 551 | void fnPipeFileDoPerlLaunch(PTEMPPIPEFILE ptpf) |
| 552 | { |
| 553 | char curdir[_MAX_PATH] = {'\0'}; |
| 554 | char* pcwd = NULL; |
| 555 | |
| 556 | int i=0; |
| 557 | |
| 558 | |
| 559 | // save off the current working directory to restore later |
| 560 | // this is just a hack! these problems of synchronization and |
| 561 | // restoring calling context need a much better solution! |
| 562 | pcwd = (char *)getcwd(curdir, sizeof(curdir)-1); |
| 563 | fnSystemCommand(ptpf->m_argv, ptpf->m_argv_len); |
| 564 | if (ptpf->m_perlSynchSemaphore) |
| 565 | { |
| 566 | #ifdef MPK_ON |
| 567 | kSemaphoreWait(ptpf->m_perlSynchSemaphore); |
| 568 | #else |
| 569 | WaitOnLocalSemaphore(ptpf->m_perlSynchSemaphore); |
| 570 | #endif //MPK_ON |
| 571 | } |
| 572 | |
| 573 | if (pcwd) |
| 574 | chdir(pcwd); |
| 575 | |
| 576 | return; |
| 577 | } |
| 578 | |
| 579 | |
| 580 | /*============================================================================================ |
| 581 | |
| 582 | Function : fnTempPipeFile |
| 583 | |
| 584 | Description : This function initialises the variables of the structure passed in. |
| 585 | |
| 586 | Parameters : ptpf (IN) - Input structure. |
| 587 | |
| 588 | Returns : Nothing. |
| 589 | |
| 590 | ==============================================================================================*/ |
| 591 | |
| 592 | void fnTempPipeFile(PTEMPPIPEFILE ptpf) |
| 593 | { |
| 594 | ptpf->m_fileName = NULL; |
| 595 | |
| 596 | ptpf->m_mode = FALSE; // Default mode = Read mode. |
| 597 | ptpf->m_file = NULL; |
| 598 | ptpf->m_pipeCommand = NULL; |
| 599 | ptpf->m_argv = NULL; |
| 600 | |
| 601 | ptpf->m_redirect = NULL; |
| 602 | |
| 603 | ptpf->m_launchPerl = FALSE; |
| 604 | ptpf->m_doPerlGlob = FALSE; |
| 605 | |
| 606 | #ifdef MPK_ON |
| 607 | ptpf->m_perlSynchSemaphore = NULL; |
| 608 | #else |
| 609 | ptpf->m_perlSynchSemaphore = 0L; |
| 610 | #endif |
| 611 | |
| 612 | ptpf->m_argv_len = 0; |
| 613 | |
| 614 | return; |
| 615 | } |
| 616 | |
| 617 | |
| 618 | /*============================================================================================ |
| 619 | |
| 620 | Function : fnTempPipeFileReleaseMemory |
| 621 | |
| 622 | Description : This function frees the memory allocated to various buffers. |
| 623 | |
| 624 | Parameters : ptpf (IN) - Input structure. |
| 625 | |
| 626 | Returns : Nothing. |
| 627 | |
| 628 | ==============================================================================================*/ |
| 629 | |
| 630 | void fnTempPipeFileReleaseMemory(PTEMPPIPEFILE ptpf) |
| 631 | { |
| 632 | int i=0; |
| 633 | |
| 634 | |
| 635 | if (ptpf->m_pipeCommand) |
| 636 | { |
| 637 | if(ptpf->m_pipeCommand->m_argv != NULL) |
| 638 | { |
| 639 | for(i=0; i<ptpf->m_pipeCommand->m_argv_len; i++) |
| 640 | { |
| 641 | if(ptpf->m_pipeCommand->m_argv[i] != NULL) |
| 642 | { |
| 643 | free(ptpf->m_pipeCommand->m_argv[i]); |
| 644 | ptpf->m_pipeCommand->m_argv[i] = NULL; |
| 645 | } |
| 646 | } |
| 647 | |
| 648 | free(ptpf->m_pipeCommand->m_argv); |
| 649 | ptpf->m_pipeCommand->m_argv = NULL; |
| 650 | } |
| 651 | |
| 652 | if(ptpf->m_pipeCommand->sSkippedToken != NULL) |
| 653 | { |
| 654 | free(ptpf->m_pipeCommand->sSkippedToken); |
| 655 | ptpf->m_pipeCommand->sSkippedToken = NULL; |
| 656 | } |
| 657 | /**** |
| 658 | // Commented since these are not being used. Still retained here. |
| 659 | // To be removed once things are proved to be working fine to a good confident level, |
| 660 | |
| 661 | if(ptpf->m_pipeCommand->nextarg) |
| 662 | { |
| 663 | free(ptpf->m_pipeCommand->nextarg); |
| 664 | ptpf->m_pipeCommand->nextarg = NULL; |
| 665 | } |
| 666 | |
| 667 | if(ptpf->m_pipeCommand->m_redirInName) |
| 668 | { |
| 669 | free(ptpf->m_pipeCommand->m_redirInName); |
| 670 | ptpf->m_pipeCommand->m_redirInName = NULL; |
| 671 | } |
| 672 | if(ptpf->m_pipeCommand->m_redirOutName) |
| 673 | { |
| 674 | free(ptpf->m_pipeCommand->m_redirOutName); |
| 675 | ptpf->m_pipeCommand->m_redirOutName = NULL; |
| 676 | } |
| 677 | if(ptpf->m_pipeCommand->m_redirErrName) |
| 678 | { |
| 679 | free(ptpf->m_pipeCommand->m_redirErrName); |
| 680 | ptpf->m_pipeCommand->m_redirErrName = NULL; |
| 681 | } |
| 682 | if(ptpf->m_pipeCommand->m_redirBothName) |
| 683 | { |
| 684 | free(ptpf->m_pipeCommand->m_redirBothName); |
| 685 | ptpf->m_pipeCommand->m_redirBothName = NULL; |
| 686 | } |
| 687 | ****/ |
| 688 | |
| 689 | if(ptpf->m_pipeCommand != NULL) |
| 690 | { |
| 691 | free(ptpf->m_pipeCommand); |
| 692 | ptpf->m_pipeCommand = NULL; |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | if(ptpf->m_redirect != NULL) |
| 697 | { |
| 698 | free(ptpf->m_redirect); |
| 699 | ptpf->m_redirect = NULL; |
| 700 | } |
| 701 | |
| 702 | return; |
| 703 | } |
| 704 | |