programs/wcmd/directory.c

   1 /*
   2  * WCMD - Wine-compatible command line interface - Directory functions.
   3  *
   4  * (C) 1999 D A Pickles
   5  *
   6  * On entry, global variables quals, param1, param2 contain
   7  * the qualifiers (uppercased and concatenated) and parameters entered, with
   8  * environment-variable and batch parameter substitution already done.
   9  */
  10
  11 /*
  12  * FIXME:
  13  * - 32-bit limit on individual file sizes (directories and free space are 64-bit)
  14  * - DIR /S fails if the starting directory is not the current default.
  15  */
  16
  17 #include "wcmd.h"
  18
  19 int WCMD_dir_sort (const void *a, const void *b);
  20 void WCMD_list_directory (char *path, int level);
  21 char * WCMD_filesize64 (__int64 n);
  22 char * WCMD_filesize32 (int n);
  23 char * WCMD_strrev (char *buff);
  24
  25
  26 extern char nyi[];
  27 extern char newline[];
  28 extern char version_string[];
  29 extern char anykey[];
  30 extern int echo_mode;
  31 extern char quals[MAX_PATH], param1[MAX_PATH], param2[MAX_PATH];
  32
  33 int file_total, dir_total, line_count, page_mode, recurse;
  34 __int64 byte_total;
  35
  36 /*****************************************************************************
  37  * WCMD_directory
  38  *
  39  * List a file directory.
  40  * FIXME: /S switch only works for the current directory
  41  *
  42  */
  43
  44 void WCMD_directory () {
  45
  46 char path[MAX_PATH], drive[8];
  47 int status;
  48 __int64 free_space;
  49 DWORD spc, bps, fc, capacity;
  50
  51   line_count = 5;
  52   page_mode = (strstr(quals, "/P") != NULL);
  53   recurse = (strstr(quals, "/S") != NULL);
  54   if (param1[0] == '\0') strcpy (param1, ".");
  55   GetFullPathName (param1, sizeof(path), path, NULL);
  56   lstrcpyn (drive, path, 3);
  57   status = WCMD_volume (0, drive);
  58   if (!status) {
  59     return;
  60   }
  61   WCMD_list_directory (path, 0);
  62   lstrcpyn (drive, path, 4);
  63   GetDiskFreeSpace (drive, &spc, &bps, &fc, &capacity);
  64   free_space = bps * spc * fc;
  65   WCMD_output (" %18s bytes free\n\n", WCMD_filesize64 (free_space));
  66   if (recurse) {
  67     WCMD_output ("Total files listed:\n%8d files%25s bytes\n%8d directories\n\n",
  68          file_total, WCMD_filesize64 (byte_total), dir_total);
  69   }
  70 }
  71
  72 /*****************************************************************************
  73  * WCMD_list_directory
  74  *
  75  * List a single file directory. This function (and those below it) can be called
  76  * recursively when the /S switch is used.
  77  *
  78  * FIXME: Assumes individual files are less than 2**32 bytes.
  79  * FIXME: Entries sorted by name only. Should we support DIRCMD??
  80  * FIXME: Assumes 24-line display for the /P qualifier.
  81  * FIXME: Other command qualifiers not supported.
  82  * FIXME: DIR /S FILENAME fails if at least one matching file is not found in the top level.
  83  */
  84
  85 void WCMD_list_directory (char *search_path, int level) {
  86
  87 char string[1024], datestring[32], timestring[32];
  88 char mem_err[] = "Memory Allocation Error";
  89 char *p;
  90 DWORD count;
  91 WIN32_FIND_DATA *fd;
  92 FILETIME ft;
  93 SYSTEMTIME st;
  94 HANDLE hff;
  95 int status, dir_count, file_count, entry_count, i;
  96 __int64 byte_count;
  97
  98   dir_count = 0;
  99   file_count = 0;
 100   entry_count = 0;
 101   byte_count = 0;
 102
 103 /*
 104  *  If the path supplied does not include a wildcard, and the endpoint of the
 105  *  path references a directory, we need to list the *contents* of that
 106  *  directory not the directory file itself.
 107  */
 108
 109   if ((strchr(search_path, '*') == NULL) && (strchr(search_path, '%') == NULL)) {
 110     status = GetFileAttributes (search_path);
 111     if ((status != -1) && (status & FILE_ATTRIBUTE_DIRECTORY)) {
 112       if (search_path[strlen(search_path)-1] == '\\') {
 113         strcat (search_path, "*");
 114       }
 115       else {
 116         strcat (search_path, "\\*");
 117       }
 118     }
 119   }
 120
 121   fd = malloc (sizeof(WIN32_FIND_DATA));
 122   hff = FindFirstFile (search_path, fd);
 123   if (hff == INVALID_HANDLE_VALUE) {
 124     WCMD_output ("File Not Found\n");
 125     free (fd);
 126     return;
 127   }
 128   do {
 129     entry_count++;
 130     fd = realloc (fd, (entry_count+1)*sizeof(WIN32_FIND_DATA));
 131     if (fd == NULL) {
 132       FindClose (hff);
 133       WCMD_output (mem_err);
 134        return;
 135     }
 136   } while (FindNextFile(hff, (fd+entry_count)) != 0);
 137   FindClose (hff);
 138   qsort (fd, entry_count, sizeof(WIN32_FIND_DATA), WCMD_dir_sort);
 139   if (level != 0) WCMD_output ("\n\n");
 140   WCMD_output ("Directory of %s\n\n", search_path);
 141   if (page_mode) {
 142     line_count += 2;
 143     if (line_count > 23) {
 144       line_count = 0;
 145       WCMD_output (anykey);
 146       ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
 147     }
 148   }
 149   for (i=0; i<entry_count; i++) {
 150     FileTimeToLocalFileTime (&(fd+i)->ftLastWriteTime, &ft);
 151     FileTimeToSystemTime (&ft, &st);
 152     GetDateFormat (0, DATE_SHORTDATE, &st, NULL, datestring,
 153                 sizeof(datestring));
 154     GetTimeFormat (0, TIME_NOSECONDS, &st,
 155                 NULL, timestring, sizeof(timestring));
 156     if ((fd+i)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
 157       dir_count++;
 158       WCMD_output ("%8s  %8s   <DIR>        %s\n",
 159           datestring, timestring, (fd+i)->cFileName);
 160     }
 161     else {
 162       file_count++;
 163       byte_count += (fd+i)->nFileSizeLow;
 164       WCMD_output ("%8s  %8s    %10s  %s\n",
 165           datestring, timestring,
 166           WCMD_filesize32((fd+i)->nFileSizeLow), (fd+i)->cFileName);
 167     }
 168     if (page_mode) {
 169       if (++line_count > 23) {
 170         line_count = 0;
 171         WCMD_output (anykey);
 172         ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
 173       }
 174     }
 175   }
 176   if (file_count == 1) {
 177     WCMD_output ("       1 file %25s bytes\n", WCMD_filesize64 (byte_count));
 178   }
 179   else {
 180     WCMD_output ("%8d files %24s bytes\n", file_count, WCMD_filesize64 (byte_count));
 181   }
 182   if (page_mode) {
 183     if (++line_count > 23) {
 184       line_count = 0;
 185       WCMD_output (anykey);
 186       ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
 187     }
 188   }
 189   byte_total = byte_total + byte_count;
 190   file_total = file_total + file_count;
 191   dir_total = dir_total + dir_count;
 192   if (dir_count == 1) WCMD_output ("1 directory         ");
 193   else WCMD_output ("%8d directories", dir_count);
 194   if (page_mode) {
 195     if (++line_count > 23) {
 196       line_count = 0;
 197       WCMD_output (anykey);
 198       ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
 199     }
 200   }
 201   for (i=0; i<entry_count; i++) {
 202     if ((recurse) &&
 203           ((fd+i)->cFileName[0] != '.') &&
 204           ((fd+i)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
 205 #if 0
 206       GetFullPathName ((fd+i)->cFileName, sizeof(string), string, NULL);
 207 #endif
 208       p = strrchr (search_path, '\\');
 209       lstrcpyn (string, search_path, (p-search_path+2));
 210       lstrcat (string, (fd+i)->cFileName);
 211       lstrcat (string, p);
 212       WCMD_list_directory (string, 1);
 213     }
 214   }
 215   free (fd);
 216   return;
 217 }
 218
 219 /*****************************************************************************
 220  * WCMD_filesize64
 221  *
 222  * Convert a 64-bit number into a character string, with commas every three digits.
 223  * Result is returned in a static string overwritten with each call.
 224  * FIXME: There must be a better algorithm!
 225  */
 226
 227 char * WCMD_filesize64 (__int64 n) {
 228
 229 __int64 q;
 230 int r, i;
 231 char *p;
 232 static char buff[32];
 233
 234   p = buff;
 235   i = -3;
 236   do {
 237     if ((++i)%3 == 1) *p++ = ',';
 238     q = n / 10;
 239     r = n - (q * 10);
 240     *p++ = r + '0';
 241     *p = '\0';
 242     n = q;
 243   } while (n != 0);
 244   WCMD_strrev (buff);
 245   return buff;
 246 }
 247
 248 /*****************************************************************************
 249  * WCMD_filesize32
 250  *
 251  * Convert a 32-bit number into a character string, with commas every three digits.
 252  * Result is returned in a static string overwritten with each call.
 253  * FIXME: There must be a better algorithm!
 254  */
 255
 256 char * WCMD_filesize32 (int n) {
 257
 258 int r, i;
 259 char *p, *q;
 260 static char buff1[16], buff2[16];
 261
 262   wsprintf (buff1, "%i", n);
 263   r = lstrlen (buff1);
 264   WCMD_strrev (buff1);
 265   p = buff1;
 266   q = buff2;
 267   for (i=0; i<r; i++) {
 268   if ((i-2)%3 == 1) *q++ = ',';
 269   *q++ = *p++;
 270   }
 271   *q = '\0';
 272   WCMD_strrev (buff2);
 273   return buff2;
 274 }
 275
 276 /*****************************************************************************
 277  * WCMD_strrev
 278  *
 279  * Reverse a character string in-place (strrev() is not available under unixen :-( ).
 280  */
 281
 282 char * WCMD_strrev (char *buff) {
 283
 284 int r, i;
 285 char b;
 286
 287   r = lstrlen (buff);
 288   for (i=0; i<r/2; i++) {
 289     b = buff[i];
 290     buff[i] = buff[r-i-1];
 291     buff[r-i-1] = b;
 292   }
 293   return (buff);
 294 }
 295
 296
 297 int WCMD_dir_sort (const void *a, const void *b) {
 298
 299   return (lstrcmpi(((WIN32_FIND_DATA *)a)->cFileName,
 300         ((WIN32_FIND_DATA *)b)->cFileName));
 301 }
 302