programs/cmd/batch.c

   1 /*
   2  * CMD - Wine-compatible command line interface - batch interface.
   3  *
   4  * Copyright (C) 1999 D A Pickles
   5  * Copyright (C) 2007 J Edmeades
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "wcmd.h"
  23 #include "wine/debug.h"
  24
  25 extern struct env_stack *saved_environment;
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(cmd);
  28
  29 /****************************************************************************
  30  * WCMD_batch
  31  *
  32  * Open and execute a batch file.
  33  * On entry *command includes the complete command line beginning with the name
  34  * of the batch file (if a CALL command was entered the CALL has been removed).
  35  * *file is the name of the file, which might not exist and may not have the
  36  * .BAT suffix on. Called is 1 for a CALL, 0 otherwise.
  37  *
  38  * We need to handle recursion correctly, since one batch program might call another.
  39  * So parameters for this batch file are held in a BATCH_CONTEXT structure.
  40  *
  41  * To support call within the same batch program, another input parameter is
  42  * a label to goto once opened.
  43  */
  44
  45 void WCMD_batch (WCHAR *file, WCHAR *command, BOOL called, WCHAR *startLabel, HANDLE pgmHandle)
  46 {
  47   HANDLE h = INVALID_HANDLE_VALUE;
  48   BATCH_CONTEXT *prev_context;
  49
  50   if (startLabel == NULL) {
  51     h = CreateFileW (file, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
  52                      NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
  53     if (h == INVALID_HANDLE_VALUE) {
  54       SetLastError (ERROR_FILE_NOT_FOUND);
  55       WCMD_print_error ();
  56       return;
  57     }
  58   } else {
  59     DuplicateHandle(GetCurrentProcess(), pgmHandle,
  60                     GetCurrentProcess(), &h,
  61                     0, FALSE, DUPLICATE_SAME_ACCESS);
  62   }
  63
  64 /*
  65  *      Create a context structure for this batch file.
  66  */
  67
  68   prev_context = context;
  69   context = LocalAlloc (LMEM_FIXED, sizeof (BATCH_CONTEXT));
  70   context -> h = h;
  71   context->batchfileW = WCMD_strdupW(file);
  72   context -> command = command;
  73   memset(context -> shift_count, 0x00, sizeof(context -> shift_count));
  74   context -> prev_context = prev_context;
  75   context -> skip_rest = FALSE;
  76
  77   /* If processing a call :label, 'goto' the label in question */
  78   if (startLabel) {
  79     strcpyW(param1, startLabel);
  80     WCMD_goto(NULL);
  81   }
  82
  83 /*
  84  *      Work through the file line by line. Specific batch commands are processed here,
  85  *      the rest are handled by the main command processor.
  86  */
  87
  88   while (context -> skip_rest == FALSE) {
  89       CMD_LIST *toExecute = NULL;         /* Commands left to be executed */
  90       if (!WCMD_ReadAndParseLine(NULL, &toExecute, h))
  91         break;
  92       /* Note: although this batch program itself may be called, we are not retrying
  93          the command as a result of a call failing to find a program, hence the
  94          retryCall parameter below is FALSE                                           */
  95       WCMD_process_commands(toExecute, FALSE, NULL, NULL, FALSE);
  96       WCMD_free_commands(toExecute);
  97       toExecute = NULL;
  98   }
  99   CloseHandle (h);
 100
 101 /*
 102  *  If there are outstanding setlocal's to the current context, unwind them.
 103  */
 104   while (saved_environment && saved_environment->batchhandle == context->h) {
 105       WCMD_endlocal();
 106   }
 107
 108 /*
 109  *      If invoked by a CALL, we return to the context of our caller. Otherwise return
 110  *      to the caller's caller.
 111  */
 112
 113   HeapFree(GetProcessHeap(), 0, context->batchfileW);
 114   LocalFree (context);
 115   if ((prev_context != NULL) && (!called)) {
 116     WINE_TRACE("Batch completed, but was not 'called' so skipping outer batch too\n");
 117     prev_context -> skip_rest = TRUE;
 118     context = prev_context;
 119   }
 120   context = prev_context;
 121 }
 122
 123 /*******************************************************************
 124  * WCMD_parameter_with_delims
 125  *
 126  * Extracts a delimited parameter from an input string, providing
 127  * the delimiters characters to use
 128  *
 129  * PARAMS
 130  *  s     [I] input string, non NULL
 131  *  n     [I] # of the parameter to return, counted from 0
 132  *  start [O] Optional. Pointer to the first char of param n in s
 133  *  raw   [I] TRUE to return the parameter in raw format (quotes maintained)
 134  *            FALSE to return the parameter with quotes stripped (including internal ones)
 135  *  wholecmdline [I] TRUE to indicate this routine is being used to parse the
 136  *                   command line, and special logic for arg0->1 transition
 137  *                   needs to be applied.
 138  *  delims[I] The delimiter characters to use
 139  *
 140  * RETURNS
 141  *  Success: The nth delimited parameter found in s
 142  *           if start != NULL, *start points to the start of the param (quotes maintained)
 143  *  Failure: An empty string if the param is not found.
 144  *           *start == NULL
 145  *
 146  * NOTES
 147  *  Return value is stored in static storage (i.e. overwritten after each call).
 148  *  By default, the parameter is returned with quotes removed, ready for use with
 149  *  other API calls, e.g. c:\"a b"\c is returned as c:\a b\c. However, some commands
 150  *  need to preserve the exact syntax (echo, for, etc) hence the raw option.
 151  */
 152 WCHAR *WCMD_parameter_with_delims (WCHAR *s, int n, WCHAR **start,
 153                                    BOOL raw, BOOL wholecmdline, const WCHAR *delims)
 154 {
 155     int curParamNb = 0;
 156     static WCHAR param[MAX_PATH];
 157     WCHAR *p = s, *begin;
 158
 159     if (start != NULL) *start = NULL;
 160     param[0] = '\0';
 161
 162     while (TRUE) {
 163
 164         /* Absorb repeated word delimiters until we get to the next token (or the end!) */
 165         while (*p && (strchrW(delims, *p) != NULL))
 166             p++;
 167         if (*p == '\0') return param;
 168
 169         /* If we have reached the token number we want, remember the beginning of it */
 170         if (start != NULL && curParamNb == n) *start = p;
 171
 172         /* Return the whole word up to the next delimiter, handling quotes in the middle
 173            of it, e.g. a"\b c\"d is a single parameter.                                  */
 174         begin = p;
 175
 176         /* Loop character by character, but just need to special case quotes */
 177         while (*p) {
 178             /* Once we have found a delimiter, break */
 179             if (strchrW(delims, *p) != NULL) break;
 180
 181             /* Very odd special case - Seems as if a ( acts as a delimiter which is
 182                not swallowed but is effective only when it comes between the program
 183                name and the parameters. Need to avoid this triggering when used
 184                to walk parameters generally.                                         */
 185             if (wholecmdline && curParamNb == 0 && *p=='(') break;
 186
 187             /* If we find a quote, copy until we get the end quote */
 188             if (*p == '"') {
 189                 p++;
 190                 while (*p && *p != '"') p++;
 191             }
 192
 193             /* Now skip the character / quote */
 194             if (*p) p++;
 195         }
 196
 197         if (curParamNb == n) {
 198             /* Return the parameter in static storage either as-is (raw) or
 199                suitable for use with other win32 api calls (quotes stripped) */
 200             if (raw) {
 201                 memcpy(param, begin, (p - begin) * sizeof(WCHAR));
 202                 param[p-begin] = '\0';
 203             } else {
 204                 int i=0;
 205                 while (begin < p) {
 206                   if (*begin != '"') param[i++] = *begin;
 207                   begin++;
 208                 }
 209                 param[i] = '\0';
 210             }
 211             return param;
 212         }
 213         curParamNb++;
 214     }
 215 }
 216
 217 /*******************************************************************
 218  * WCMD_parameter
 219  *
 220  * Extracts a delimited parameter from an input string, using a
 221  * default set of delimiter characters. For parameters, see the main
 222  * function above.
 223  */
 224 WCHAR *WCMD_parameter (WCHAR *s, int n, WCHAR **start, BOOL raw,
 225                        BOOL wholecmdline)
 226 {
 227   static const WCHAR defaultDelims[] = { ' ', '\t', ',', '=', ';', '\0' };
 228   return WCMD_parameter_with_delims (s, n, start, raw, wholecmdline, defaultDelims);
 229 }
 230
 231 /****************************************************************************
 232  * WCMD_fgets
 233  *
 234  * Gets one line from a file/console and puts it into buffer buf
 235  * Pre:  buf has size noChars
 236  *       1 <= noChars <= MAXSTRING
 237  * Post: buf is filled with at most noChars-1 characters, and gets nul-terminated
 238          buf does not include EOL terminator
 239  * Returns:
 240  *       buf on success
 241  *       NULL on error or EOF
 242  */
 243
 244 WCHAR *WCMD_fgets(WCHAR *buf, DWORD noChars, HANDLE h)
 245 {
 246   DWORD charsRead;
 247   BOOL status;
 248   DWORD i;
 249
 250   /* We can't use the native f* functions because of the filename syntax differences
 251      between DOS and Unix. Also need to lose the LF (or CRLF) from the line. */
 252
 253   if (!WCMD_is_console_handle(h)) {
 254       LARGE_INTEGER filepos;
 255       char *bufA;
 256       UINT cp;
 257       const char *p;
 258
 259       cp = GetConsoleCP();
 260       bufA = HeapAlloc(GetProcessHeap(), 0, noChars);
 261       if (!bufA) return NULL;
 262
 263       /* Save current file position */
 264       filepos.QuadPart = 0;
 265       SetFilePointerEx(h, filepos, &filepos, FILE_CURRENT);
 266
 267       status = ReadFile(h, bufA, noChars, &charsRead, NULL);
 268       if (!status || charsRead == 0) {
 269           HeapFree(GetProcessHeap(), 0, bufA);
 270           return NULL;
 271       }
 272
 273       /* Find first EOL */
 274       for (p = bufA; p < (bufA + charsRead); p = CharNextExA(cp, p, 0)) {
 275           if (*p == '\n' || *p == '\r')
 276               break;
 277       }
 278
 279       /* Sets file pointer to the start of the next line, if any */
 280       filepos.QuadPart += p - bufA + 1 + (*p == '\r' ? 1 : 0);
 281       SetFilePointerEx(h, filepos, NULL, FILE_BEGIN);
 282
 283       i = MultiByteToWideChar(cp, 0, bufA, p - bufA, buf, noChars);
 284       HeapFree(GetProcessHeap(), 0, bufA);
 285   }
 286   else {
 287       status = WCMD_ReadFile(h, buf, noChars, &charsRead);
 288       if (!status || charsRead == 0) return NULL;
 289
 290       /* Find first EOL */
 291       for (i = 0; i < charsRead; i++) {
 292           if (buf[i] == '\n' || buf[i] == '\r')
 293               break;
 294       }
 295   }
 296
 297   /* Truncate at EOL (or end of buffer) */
 298   if (i == noChars)
 299     i--;
 300
 301   buf[i] = '\0';
 302
 303   return buf;
 304 }
 305
 306 /* WCMD_splitpath - copied from winefile as no obvious way to use it otherwise */
 307 void WCMD_splitpath(const WCHAR* path, WCHAR* drv, WCHAR* dir, WCHAR* name, WCHAR* ext)
 308 {
 309         const WCHAR* end; /* end of processed string */
 310         const WCHAR* p;  /* search pointer */
 311         const WCHAR* s;  /* copy pointer */
 312
 313         /* extract drive name */
 314         if (path[0] && path[1]==':') {
 315                 if (drv) {
 316                         *drv++ = *path++;
 317                         *drv++ = *path++;
 318                         *drv = '\0';
 319                 }
 320         } else if (drv)
 321                 *drv = '\0';
 322
 323         end = path + strlenW(path);
 324
 325         /* search for begin of file extension */
 326         for(p=end; p>path && *--p!='\\' && *p!='/'; )
 327                 if (*p == '.') {
 328                         end = p;
 329                         break;
 330                 }
 331
 332         if (ext)
 333                 for(s=end; (*ext=*s++); )
 334                         ext++;
 335
 336         /* search for end of directory name */
 337         for(p=end; p>path; )
 338                 if (*--p=='\\' || *p=='/') {
 339                         p++;
 340                         break;
 341                 }
 342
 343         if (name) {
 344                 for(s=p; s<end; )
 345                         *name++ = *s++;
 346
 347                 *name = '\0';
 348         }
 349
 350         if (dir) {
 351                 for(s=path; s<p; )
 352                         *dir++ = *s++;
 353
 354                 *dir = '\0';
 355         }
 356 }
 357
 358 /****************************************************************************
 359  * WCMD_HandleTildaModifiers
 360  *
 361  * Handle the ~ modifiers when expanding %0-9 or (%a-z in for command)
 362  *    %~xxxxxV  (V=0-9 or A-Z)
 363  * Where xxxx is any combination of:
 364  *    ~ - Removes quotes
 365  *    f - Fully qualified path (assumes current dir if not drive\dir)
 366  *    d - drive letter
 367  *    p - path
 368  *    n - filename
 369  *    x - file extension
 370  *    s - path with shortnames
 371  *    a - attributes
 372  *    t - date/time
 373  *    z - size
 374  *    $ENVVAR: - Searches ENVVAR for (contents of V) and expands to fully
 375  *                   qualified path
 376  *
 377  *  To work out the length of the modifier:
 378  *
 379  *  Note: In the case of %0-9 knowing the end of the modifier is easy,
 380  *    but in a for loop, the for end WCHARacter may also be a modifier
 381  *    eg. for %a in (c:\a.a) do echo XXX
 382  *             where XXX = %~a    (just ~)
 383  *                         %~aa   (~ and attributes)
 384  *                         %~aaxa (~, attributes and extension)
 385  *                   BUT   %~aax  (~ and attributes followed by 'x')
 386  *
 387  *  Hence search forwards until find an invalid modifier, and then
 388  *  backwards until find for variable or 0-9
 389  */
 390 void WCMD_HandleTildaModifiers(WCHAR **start, const WCHAR *forVariable,
 391                                const WCHAR *forValue, BOOL justFors) {
 392
 393 #define NUMMODIFIERS 11
 394   static const WCHAR validmodifiers[NUMMODIFIERS] = {
 395         '~', 'f', 'd', 'p', 'n', 'x', 's', 'a', 't', 'z', '$'
 396   };
 397
 398   WIN32_FILE_ATTRIBUTE_DATA fileInfo;
 399   WCHAR  outputparam[MAX_PATH];
 400   WCHAR  finaloutput[MAX_PATH];
 401   WCHAR  fullfilename[MAX_PATH];
 402   WCHAR  thisoutput[MAX_PATH];
 403   WCHAR  *pos            = *start+1;
 404   WCHAR  *firstModifier  = pos;
 405   WCHAR  *lastModifier   = NULL;
 406   int   modifierLen     = 0;
 407   BOOL  finished        = FALSE;
 408   int   i               = 0;
 409   BOOL  exists          = TRUE;
 410   BOOL  skipFileParsing = FALSE;
 411   BOOL  doneModifier    = FALSE;
 412
 413   /* Search forwards until find invalid character modifier */
 414   while (!finished) {
 415
 416     /* Work on the previous character */
 417     if (lastModifier != NULL) {
 418
 419       for (i=0; i<NUMMODIFIERS; i++) {
 420         if (validmodifiers[i] == *lastModifier) {
 421
 422           /* Special case '$' to skip until : found */
 423           if (*lastModifier == '$') {
 424             while (*pos != ':' && *pos) pos++;
 425             if (*pos == 0x00) return; /* Invalid syntax */
 426             pos++;                    /* Skip ':'       */
 427           }
 428           break;
 429         }
 430       }
 431
 432       if (i==NUMMODIFIERS) {
 433         finished = TRUE;
 434       }
 435     }
 436
 437     /* Save this one away */
 438     if (!finished) {
 439       lastModifier = pos;
 440       pos++;
 441     }
 442   }
 443
 444   while (lastModifier > firstModifier) {
 445     WINE_TRACE("Looking backwards for parameter id: %s / %s\n",
 446                wine_dbgstr_w(lastModifier), wine_dbgstr_w(forVariable));
 447
 448     if (!justFors && context && (*lastModifier >= '0' && *lastModifier <= '9')) {
 449       /* Its a valid parameter identifier - OK */
 450       break;
 451
 452     } else if (forVariable && *lastModifier == *(forVariable+1)) {
 453       /* Its a valid parameter identifier - OK */
 454       break;
 455
 456     } else {
 457       lastModifier--;
 458     }
 459   }
 460   if (lastModifier == firstModifier) return; /* Invalid syntax */
 461
 462   /* Extract the parameter to play with */
 463   if (*lastModifier == '0') {
 464     strcpyW(outputparam, context->batchfileW);
 465   } else if ((*lastModifier >= '1' && *lastModifier <= '9')) {
 466     strcpyW(outputparam,
 467             WCMD_parameter (context -> command,
 468                             *lastModifier-'0' + context -> shift_count[*lastModifier-'0'],
 469                             NULL, FALSE, TRUE));
 470   } else {
 471     strcpyW(outputparam, forValue);
 472   }
 473
 474   /* So now, firstModifier points to beginning of modifiers, lastModifier
 475      points to the variable just after the modifiers. Process modifiers
 476      in a specific order, remembering there could be duplicates           */
 477   modifierLen = lastModifier - firstModifier;
 478   finaloutput[0] = 0x00;
 479
 480   /* 1. Handle '~' : Strip surrounding quotes */
 481   if (outputparam[0]=='"' &&
 482       memchrW(firstModifier, '~', modifierLen) != NULL) {
 483     int len = strlenW(outputparam);
 484     if (outputparam[len-1] == '"') {
 485         outputparam[len-1]=0x00;
 486         len = len - 1;
 487     }
 488     memmove(outputparam, &outputparam[1], (len * sizeof(WCHAR))-1);
 489   }
 490
 491   /* 2. Handle the special case of a $ */
 492   if (memchrW(firstModifier, '$', modifierLen) != NULL) {
 493     /* Special Case: Search envar specified in $[envvar] for outputparam
 494        Note both $ and : are guaranteed otherwise check above would fail */
 495     WCHAR *begin = strchrW(firstModifier, '$') + 1;
 496     WCHAR *end   = strchrW(firstModifier, ':');
 497     WCHAR env[MAX_PATH];
 498     WCHAR fullpath[MAX_PATH];
 499
 500     /* Extract the env var */
 501     memcpy(env, begin, (end-begin) * sizeof(WCHAR));
 502     env[(end-begin)] = 0x00;
 503
 504     /* If env var not found, return empty string */
 505     if ((GetEnvironmentVariableW(env, fullpath, MAX_PATH) == 0) ||
 506         (SearchPathW(fullpath, outputparam, NULL, MAX_PATH, outputparam, NULL) == 0)) {
 507       finaloutput[0] = 0x00;
 508       outputparam[0] = 0x00;
 509       skipFileParsing = TRUE;
 510     }
 511   }
 512
 513   /* After this, we need full information on the file,
 514     which is valid not to exist.  */
 515   if (!skipFileParsing) {
 516     if (GetFullPathNameW(outputparam, MAX_PATH, fullfilename, NULL) == 0)
 517       return;
 518
 519     exists = GetFileAttributesExW(fullfilename, GetFileExInfoStandard,
 520                                   &fileInfo);
 521
 522     /* 2. Handle 'a' : Output attributes (File doesn't have to exist) */
 523     if (memchrW(firstModifier, 'a', modifierLen) != NULL) {
 524
 525       WCHAR defaults[] = {'-','-','-','-','-','-','-','-','-','\0'};
 526       doneModifier = TRUE;
 527
 528       if (exists) {
 529         strcpyW(thisoutput, defaults);
 530         if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 531           thisoutput[0]='d';
 532         if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
 533           thisoutput[1]='r';
 534         if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE)
 535           thisoutput[2]='a';
 536         if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN)
 537           thisoutput[3]='h';
 538         if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM)
 539           thisoutput[4]='s';
 540         if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_COMPRESSED)
 541           thisoutput[5]='c';
 542         /* FIXME: What are 6 and 7? */
 543         if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
 544           thisoutput[8]='l';
 545         strcatW(finaloutput, thisoutput);
 546       }
 547     }
 548
 549     /* 3. Handle 't' : Date+time (File doesn't have to exist) */
 550     if (memchrW(firstModifier, 't', modifierLen) != NULL) {
 551
 552       SYSTEMTIME systime;
 553       int datelen;
 554
 555       doneModifier = TRUE;
 556
 557       if (exists) {
 558         if (finaloutput[0] != 0x00) strcatW(finaloutput, spaceW);
 559
 560         /* Format the time */
 561         FileTimeToSystemTime(&fileInfo.ftLastWriteTime, &systime);
 562         GetDateFormatW(LOCALE_USER_DEFAULT, DATE_SHORTDATE, &systime,
 563                           NULL, thisoutput, MAX_PATH);
 564         strcatW(thisoutput, spaceW);
 565         datelen = strlenW(thisoutput);
 566         GetTimeFormatW(LOCALE_USER_DEFAULT, TIME_NOSECONDS, &systime,
 567                           NULL, (thisoutput+datelen), MAX_PATH-datelen);
 568         strcatW(finaloutput, thisoutput);
 569       }
 570     }
 571
 572     /* 4. Handle 'z' : File length (File doesn't have to exist) */
 573     if (memchrW(firstModifier, 'z', modifierLen) != NULL) {
 574       /* FIXME: Output full 64 bit size (sprintf does not support I64 here) */
 575       ULONG/*64*/ fullsize = /*(fileInfo.nFileSizeHigh << 32) +*/
 576                                   fileInfo.nFileSizeLow;
 577       static const WCHAR fmt[] = {'%','u','\0'};
 578
 579       doneModifier = TRUE;
 580       if (exists) {
 581         if (finaloutput[0] != 0x00) strcatW(finaloutput, spaceW);
 582         wsprintfW(thisoutput, fmt, fullsize);
 583         strcatW(finaloutput, thisoutput);
 584       }
 585     }
 586
 587     /* 4. Handle 's' : Use short paths (File doesn't have to exist) */
 588     if (memchrW(firstModifier, 's', modifierLen) != NULL) {
 589       if (finaloutput[0] != 0x00) strcatW(finaloutput, spaceW);
 590       /* Don't flag as doneModifier - %~s on its own is processed later */
 591       GetShortPathNameW(outputparam, outputparam, sizeof(outputparam)/sizeof(outputparam[0]));
 592     }
 593
 594     /* 5. Handle 'f' : Fully qualified path (File doesn't have to exist) */
 595     /*      Note this overrides d,p,n,x                                 */
 596     if (memchrW(firstModifier, 'f', modifierLen) != NULL) {
 597       doneModifier = TRUE;
 598       if (finaloutput[0] != 0x00) strcatW(finaloutput, spaceW);
 599       strcatW(finaloutput, fullfilename);
 600     } else {
 601
 602       WCHAR drive[10];
 603       WCHAR dir[MAX_PATH];
 604       WCHAR fname[MAX_PATH];
 605       WCHAR ext[MAX_PATH];
 606       BOOL doneFileModifier = FALSE;
 607       BOOL addSpace = (finaloutput[0] != 0x00);
 608
 609       /* Split into components */
 610       WCMD_splitpath(fullfilename, drive, dir, fname, ext);
 611
 612       /* 5. Handle 'd' : Drive Letter */
 613       if (memchrW(firstModifier, 'd', modifierLen) != NULL) {
 614         if (addSpace) {
 615           strcatW(finaloutput, spaceW);
 616           addSpace = FALSE;
 617         }
 618
 619         strcatW(finaloutput, drive);
 620         doneModifier = TRUE;
 621         doneFileModifier = TRUE;
 622       }
 623
 624       /* 6. Handle 'p' : Path */
 625       if (memchrW(firstModifier, 'p', modifierLen) != NULL) {
 626         if (addSpace) {
 627           strcatW(finaloutput, spaceW);
 628           addSpace = FALSE;
 629         }
 630
 631         strcatW(finaloutput, dir);
 632         doneModifier = TRUE;
 633         doneFileModifier = TRUE;
 634       }
 635
 636       /* 7. Handle 'n' : Name */
 637       if (memchrW(firstModifier, 'n', modifierLen) != NULL) {
 638         if (addSpace) {
 639           strcatW(finaloutput, spaceW);
 640           addSpace = FALSE;
 641         }
 642
 643         strcatW(finaloutput, fname);
 644         doneModifier = TRUE;
 645         doneFileModifier = TRUE;
 646       }
 647
 648       /* 8. Handle 'x' : Ext */
 649       if (memchrW(firstModifier, 'x', modifierLen) != NULL) {
 650         if (addSpace) {
 651           strcatW(finaloutput, spaceW);
 652           addSpace = FALSE;
 653         }
 654
 655         strcatW(finaloutput, ext);
 656         doneModifier = TRUE;
 657         doneFileModifier = TRUE;
 658       }
 659
 660       /* If 's' but no other parameter, dump the whole thing */
 661       if (!doneFileModifier &&
 662           memchrW(firstModifier, 's', modifierLen) != NULL) {
 663         doneModifier = TRUE;
 664         if (finaloutput[0] != 0x00) strcatW(finaloutput, spaceW);
 665         strcatW(finaloutput, outputparam);
 666       }
 667     }
 668   }
 669
 670   /* If No other modifier processed,  just add in parameter */
 671   if (!doneModifier) strcpyW(finaloutput, outputparam);
 672
 673   /* Finish by inserting the replacement into the string */
 674   WCMD_strsubstW(*start, lastModifier+1, finaloutput, -1);
 675 }
 676
 677 /*******************************************************************
 678  * WCMD_call - processes a batch call statement
 679  *
 680  *      If there is a leading ':', calls within this batch program
 681  *      otherwise launches another program.
 682  */
 683 void WCMD_call (WCHAR *command) {
 684
 685   /* Run other program if no leading ':' */
 686   if (*command != ':') {
 687     WCMD_run_program(command, TRUE);
 688     /* If the thing we try to run does not exist, call returns 1 */
 689     if (errorlevel) errorlevel=1;
 690   } else {
 691
 692     WCHAR gotoLabel[MAX_PATH];
 693
 694     strcpyW(gotoLabel, param1);
 695
 696     if (context) {
 697
 698       LARGE_INTEGER li;
 699
 700       /* Save the current file position, call the same file,
 701          restore position                                    */
 702       li.QuadPart = 0;
 703       li.u.LowPart = SetFilePointer(context -> h, li.u.LowPart,
 704                      &li.u.HighPart, FILE_CURRENT);
 705
 706       WCMD_batch (param1, command, TRUE, gotoLabel, context->h);
 707
 708       SetFilePointer(context -> h, li.u.LowPart,
 709                      &li.u.HighPart, FILE_BEGIN);
 710     } else {
 711       WCMD_output_asis_stderr(WCMD_LoadMessage(WCMD_CALLINSCRIPT));
 712     }
 713   }
 714 }