programs/wcmd/directory.c

   1 /*
   2  * WCMD - Wine-compatible command line interface - Directory functions.
   3  *
   4  * Copyright (C) 1999 D A Pickles
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /*
  22  * NOTES:
  23  * On entry, global variables quals, param1, param2 contain
  24  * the qualifiers (uppercased and concatenated) and parameters entered, with
  25  * environment-variable and batch parameter substitution already done.
  26  */
  27
  28 #define NONAMELESSUNION
  29 #define NONAMELESSSTRUCT
  30 #define WIN32_LEAN_AND_MEAN
  31
  32 #include "wcmd.h"
  33
  34 int WCMD_dir_sort (const void *a, const void *b);
  35 void WCMD_list_directory (char *path, int level);
  36 char * WCMD_filesize64 (ULONGLONG free);
  37 char * WCMD_strrev (char *buff);
  38
  39
  40 extern int echo_mode;
  41 extern char quals[MAX_PATH], param1[MAX_PATH], param2[MAX_PATH];
  42 extern DWORD errorlevel;
  43
  44 static int file_total, dir_total, recurse, wide, bare, max_width;
  45 static ULONGLONG byte_total;
  46
  47 /*****************************************************************************
  48  * WCMD_directory
  49  *
  50  * List a file directory.
  51  *
  52  */
  53
  54 void WCMD_directory (void) {
  55
  56 char path[MAX_PATH], drive[8];
  57 int status, paged_mode;
  58 ULARGE_INTEGER avail, total, free;
  59 CONSOLE_SCREEN_BUFFER_INFO consoleInfo;
  60
  61   byte_total = 0;
  62   file_total = dir_total = 0;
  63
  64   /* Handle args */
  65   paged_mode = (strstr(quals, "/P") != NULL);
  66   recurse = (strstr(quals, "/S") != NULL);
  67   wide    = (strstr(quals, "/W") != NULL);
  68   bare    = (strstr(quals, "/B") != NULL);
  69
  70   /* Handle conflicting args and initialization */
  71   if (bare) wide = FALSE;
  72
  73   if (wide) {
  74       if (GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &consoleInfo))
  75           max_width = consoleInfo.dwSize.X;
  76       else
  77           max_width = 80;
  78   }
  79   if (paged_mode) {
  80      WCMD_enter_paged_mode();
  81   }
  82
  83   if (param1[0] == '\0') strcpy (param1, ".");
  84   status = GetFullPathName (param1, sizeof(path), path, NULL);
  85   if (!status) {
  86     WCMD_print_error();
  87     if (paged_mode) WCMD_leave_paged_mode();
  88     return;
  89   }
  90   lstrcpyn (drive, path, 3);
  91
  92   if (!bare) {
  93      status = WCMD_volume (0, drive);
  94      if (!status) {
  95          if (paged_mode) WCMD_leave_paged_mode();
  96        return;
  97      }
  98   }
  99
 100   WCMD_list_directory (path, 0);
 101   lstrcpyn (drive, path, 4);
 102   GetDiskFreeSpaceEx (drive, &avail, &total, &free);
 103
 104   if (!bare) {
 105      if (recurse) {
 106        WCMD_output ("\n\n     Total files listed:\n%8d files%25s bytes\n",
 107             file_total, WCMD_filesize64 (byte_total));
 108        WCMD_output ("%8d directories %18s bytes free\n\n",
 109             dir_total, WCMD_filesize64 (free.QuadPart));
 110      } else {
 111        WCMD_output (" %18s bytes free\n\n", WCMD_filesize64 (free.QuadPart));
 112      }
 113   }
 114   if (paged_mode) WCMD_leave_paged_mode();
 115 }
 116
 117 /*****************************************************************************
 118  * WCMD_list_directory
 119  *
 120  * List a single file directory. This function (and those below it) can be called
 121  * recursively when the /S switch is used.
 122  *
 123  * FIXME: Entries sorted by name only. Should we support DIRCMD??
 124  * FIXME: Assumes 24-line display for the /P qualifier.
 125  * FIXME: Other command qualifiers not supported.
 126  * FIXME: DIR /S FILENAME fails if at least one matching file is not found in the top level.
 127  */
 128
 129 void WCMD_list_directory (char *search_path, int level) {
 130
 131 char string[1024], datestring[32], timestring[32];
 132 char *p;
 133 char real_path[MAX_PATH];
 134 WIN32_FIND_DATA *fd;
 135 FILETIME ft;
 136 SYSTEMTIME st;
 137 HANDLE hff;
 138 int status, dir_count, file_count, entry_count, i, widest, cur_width, tmp_width;
 139 ULARGE_INTEGER byte_count, file_size;
 140
 141   dir_count = 0;
 142   file_count = 0;
 143   entry_count = 0;
 144   byte_count.QuadPart = 0;
 145   widest = 0;
 146   cur_width = 0;
 147
 148 /*
 149  *  If the path supplied does not include a wildcard, and the endpoint of the
 150  *  path references a directory, we need to list the *contents* of that
 151  *  directory not the directory file itself.
 152  */
 153
 154   if ((strchr(search_path, '*') == NULL) && (strchr(search_path, '%') == NULL)) {
 155     status = GetFileAttributes (search_path);
 156     if ((status != INVALID_FILE_ATTRIBUTES) && (status & FILE_ATTRIBUTE_DIRECTORY)) {
 157       if (search_path[strlen(search_path)-1] == '\\') {
 158         strcat (search_path, "*");
 159       }
 160       else {
 161         strcat (search_path, "\\*");
 162       }
 163     }
 164   }
 165
 166   /* Work out the actual current directory name */
 167   p = strrchr (search_path, '\\');
 168   memset(real_path, 0x00, sizeof(real_path));
 169   lstrcpyn (real_path, search_path, (p-search_path+2));
 170
 171   /* Load all files into an in memory structure */
 172   fd = malloc (sizeof(WIN32_FIND_DATA));
 173   hff = FindFirstFile (search_path, fd);
 174   if (hff == INVALID_HANDLE_VALUE) {
 175     SetLastError (ERROR_FILE_NOT_FOUND);
 176     WCMD_print_error ();
 177     free (fd);
 178     return;
 179   }
 180   do {
 181     entry_count++;
 182
 183     /* Keep running track of longest filename for wide output */
 184     if (wide) {
 185        int tmpLen = strlen((fd+(entry_count-1))->cFileName) + 3;
 186        if ((fd+(entry_count-1))->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) tmpLen = tmpLen + 2;
 187        if (tmpLen > widest) widest = tmpLen;
 188     }
 189
 190     fd = realloc (fd, (entry_count+1)*sizeof(WIN32_FIND_DATA));
 191     if (fd == NULL) {
 192       FindClose (hff);
 193       WCMD_output ("Memory Allocation Error");
 194        return;
 195     }
 196   } while (FindNextFile(hff, (fd+entry_count)) != 0);
 197   FindClose (hff);
 198
 199   /* Sort the list of files */
 200   qsort (fd, entry_count, sizeof(WIN32_FIND_DATA), WCMD_dir_sort);
 201
 202   /* Output the results */
 203   if (!bare) {
 204      if (level != 0) WCMD_output ("\n\n");
 205      WCMD_output ("Directory of %s\n\n", real_path);
 206   }
 207
 208   for (i=0; i<entry_count; i++) {
 209     FileTimeToLocalFileTime (&(fd+i)->ftLastWriteTime, &ft);
 210     FileTimeToSystemTime (&ft, &st);
 211     GetDateFormat (0, DATE_SHORTDATE, &st, NULL, datestring,
 212                 sizeof(datestring));
 213     GetTimeFormat (0, TIME_NOSECONDS, &st,
 214                 NULL, timestring, sizeof(timestring));
 215
 216     if (wide) {
 217
 218       tmp_width = cur_width;
 219       if ((fd+i)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
 220           WCMD_output ("[%s]", (fd+i)->cFileName);
 221           dir_count++;
 222           tmp_width = tmp_width + strlen((fd+i)->cFileName) + 2;
 223       } else {
 224           WCMD_output ("%s", (fd+i)->cFileName);
 225           tmp_width = tmp_width + strlen((fd+i)->cFileName) ;
 226           file_count++;
 227 #ifndef NONAMELESSSTRUCT
 228           file_size.LowPart = (fd+i)->nFileSizeLow;
 229           file_size.HighPart = (fd+i)->nFileSizeHigh;
 230 #else
 231           file_size.u.LowPart = (fd+i)->nFileSizeLow;
 232           file_size.u.HighPart = (fd+i)->nFileSizeHigh;
 233 #endif
 234       byte_count.QuadPart += file_size.QuadPart;
 235       }
 236       cur_width = cur_width + widest;
 237
 238       if ((cur_width + widest) > max_width) {
 239           WCMD_output ("\n");
 240           cur_width = 0;
 241       } else {
 242           WCMD_output ("%*.s", (tmp_width - cur_width) ,"");
 243       }
 244
 245     } else if ((fd+i)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
 246       dir_count++;
 247
 248       if (!bare) {
 249          WCMD_output ("%10s  %8s  <DIR>         %s\n",
 250              datestring, timestring, (fd+i)->cFileName);
 251       } else {
 252          if (!((strcmp((fd+i)->cFileName, ".") == 0) ||
 253                (strcmp((fd+i)->cFileName, "..") == 0))) {
 254             WCMD_output ("%s%s\n", recurse?real_path:"", (fd+i)->cFileName);
 255          }
 256       }
 257     }
 258     else {
 259       file_count++;
 260 #ifndef NONAMELESSSTRUCT
 261       file_size.LowPart = (fd+i)->nFileSizeLow;
 262       file_size.HighPart = (fd+i)->nFileSizeHigh;
 263 #else
 264       file_size.u.LowPart = (fd+i)->nFileSizeLow;
 265       file_size.u.HighPart = (fd+i)->nFileSizeHigh;
 266 #endif
 267       byte_count.QuadPart += file_size.QuadPart;
 268           if (!bare) {
 269          WCMD_output ("%10s  %8s    %10s  %s\n",
 270              datestring, timestring,
 271                  WCMD_filesize64(file_size.QuadPart), (fd+i)->cFileName);
 272       } else {
 273          WCMD_output ("%s%s\n", recurse?real_path:"", (fd+i)->cFileName);
 274       }
 275     }
 276   }
 277
 278   if (wide && cur_width>0) {
 279       WCMD_output ("\n");
 280   }
 281
 282   if (!bare) {
 283      if (file_count == 1) {
 284        WCMD_output ("       1 file %25s bytes\n", WCMD_filesize64 (byte_count.QuadPart));
 285      }
 286      else {
 287        WCMD_output ("%8d files %24s bytes\n", file_count, WCMD_filesize64 (byte_count.QuadPart));
 288      }
 289   }
 290   byte_total = byte_total + byte_count.QuadPart;
 291   file_total = file_total + file_count;
 292   dir_total = dir_total + dir_count;
 293
 294   if (!bare) {
 295      if (dir_count == 1) WCMD_output ("1 directory         ");
 296      else WCMD_output ("%8d directories", dir_count);
 297   }
 298   for (i=0; i<entry_count; i++) {
 299     if ((recurse) &&
 300           ((fd+i)->cFileName[0] != '.') &&
 301           ((fd+i)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
 302 #if 0
 303       GetFullPathName ((fd+i)->cFileName, sizeof(string), string, NULL);
 304 #endif
 305       p = strrchr (search_path, '\\');
 306       lstrcpyn (string, search_path, (p-search_path+2));
 307       lstrcat (string, (fd+i)->cFileName);
 308       lstrcat (string, p);
 309       WCMD_list_directory (string, 1);
 310     }
 311   }
 312   free (fd);
 313   return;
 314 }
 315
 316 /*****************************************************************************
 317  * WCMD_filesize64
 318  *
 319  * Convert a 64-bit number into a character string, with commas every three digits.
 320  * Result is returned in a static string overwritten with each call.
 321  * FIXME: There must be a better algorithm!
 322  */
 323
 324 char * WCMD_filesize64 (ULONGLONG n) {
 325
 326 ULONGLONG q;
 327 unsigned int r, i;
 328 char *p;
 329 static char buff[32];
 330
 331   p = buff;
 332   i = -3;
 333   do {
 334     if ((++i)%3 == 1) *p++ = ',';
 335     q = n / 10;
 336     r = n - (q * 10);
 337     *p++ = r + '0';
 338     *p = '\0';
 339     n = q;
 340   } while (n != 0);
 341   WCMD_strrev (buff);
 342   return buff;
 343 }
 344
 345 /*****************************************************************************
 346  * WCMD_strrev
 347  *
 348  * Reverse a character string in-place (strrev() is not available under unixen :-( ).
 349  */
 350
 351 char * WCMD_strrev (char *buff) {
 352
 353 int r, i;
 354 char b;
 355
 356   r = lstrlen (buff);
 357   for (i=0; i<r/2; i++) {
 358     b = buff[i];
 359     buff[i] = buff[r-i-1];
 360     buff[r-i-1] = b;
 361   }
 362   return (buff);
 363 }
 364
 365
 366 int WCMD_dir_sort (const void *a, const void *b)
 367 {
 368   return (lstrcmpi(((const WIN32_FIND_DATA *)a)->cFileName,
 369                    ((const WIN32_FIND_DATA *)b)->cFileName));
 370 }