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annotate src/dired-msw.c @ 5159:cb303ff63e76
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| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Fri, 19 Mar 2010 17:02:11 -0500 |
| parents | 16112448d484 |
| children | 2aa9cd456ae7 |
| rev | line source |
|---|---|
| 428 | 1 /* fast dired replacement routines for mswindows. |
| 2 Copyright (C) 1998 Darryl Okahata | |
| 3 Portions Copyright (C) 1992, 1994 by Sebastian Kremer <sk@thp.uni-koeln.de> | |
| 800 | 4 Copyright (C) 2000, 2001, 2002 Ben Wing. |
| 428 | 5 |
| 6 This file is part of XEmacs. | |
| 7 | |
| 8 XEmacs is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 10 Free Software Foundation; either version 2, or (at your option) any | |
| 11 later version. | |
| 12 | |
| 13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with XEmacs; see the file COPYING. If not, write to | |
| 20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 21 Boston, MA 02111-1307, USA. */ | |
| 22 | |
| 23 /* Synched up with: Not in FSF. */ | |
| 24 | |
| 771 | 25 |
| 428 | 26 /* |
| 27 * Parts of this code (& comments) were taken from ls-lisp.el | |
| 28 * Author: Sebastian Kremer <sk@thp.uni-koeln.de> | |
| 29 */ | |
| 30 | |
| 31 /* | |
| 32 * insert-directory | |
| 33 * - must insert _exactly_one_line_ describing FILE if WILDCARD and | |
| 34 * FULL-DIRECTORY-P is nil. | |
| 35 * The single line of output must display FILE's name as it was | |
| 36 * given, namely, an absolute path name. | |
| 37 * - must insert exactly one line for each file if WILDCARD or | |
| 38 * FULL-DIRECTORY-P is t, plus one optional "total" line | |
| 39 * before the file lines, plus optional text after the file lines. | |
| 40 * Lines are delimited by "\n", so filenames containing "\n" are not | |
| 41 * allowed. | |
| 42 * File lines should display the basename. | |
| 43 * - must be consistent with | |
| 44 * - functions dired-move-to-filename, (these two define what a file line is) | |
| 45 * dired-move-to-end-of-filename, | |
| 46 * dired-between-files, (shortcut for (not (dired-move-to-filename))) | |
| 47 * dired-insert-headerline | |
| 48 * dired-after-subdir-garbage (defines what a "total" line is) | |
| 49 * - variable dired-subdir-regexp | |
| 50 */ | |
| 51 | |
| 52 /* | |
| 53 * Insert directory listing for FILE, formatted according to SWITCHES. | |
| 54 * Leaves point after the inserted text. | |
| 55 * SWITCHES may be a string of options, or a list of strings. | |
| 56 * Optional third arg WILDCARD means treat FILE as shell wildcard. | |
| 57 * Optional fourth arg FULL-DIRECTORY-P means file is a directory and | |
| 58 * switches do not contain `d', so that a full listing is expected. | |
| 59 * | |
| 60 * This works by running a directory listing program | |
| 61 * whose name is in the variable `insert-directory-program'. | |
| 62 * If WILDCARD, it also runs the shell specified by `shell-file-name'." | |
| 63 */ | |
| 64 | |
| 65 /* | |
| 66 * Set INDENT_LISTING to non-zero if the inserted text should be shifted | |
| 67 * over by two spaces. | |
| 68 */ | |
| 771 | 69 #define INDENT_LISTING 0 |
| 428 | 70 |
| 771 | 71 #define ROUND_FILE_SIZES 4096 |
| 428 | 72 |
| 73 | |
| 74 #include <config.h> | |
| 75 #include "lisp.h" | |
| 76 | |
| 77 #include "buffer.h" | |
| 78 #include "regex.h" | |
| 826 | 79 #include "syntax.h" |
| 428 | 80 |
| 872 | 81 #include "console-msw.h" |
| 82 | |
| 428 | 83 #include "sysdir.h" |
| 442 | 84 #include "sysfile.h" |
| 558 | 85 #include "sysfloat.h" |
| 771 | 86 #include "sysproc.h" |
| 87 #include "syspwd.h" | |
| 88 #include "systime.h" | |
| 872 | 89 |
| 428 | 90 |
| 91 static int mswindows_ls_sort_case_insensitive; | |
| 458 | 92 static Fixnum mswindows_ls_round_file_size; |
| 428 | 93 |
| 771 | 94 Lisp_Object Qmswindows_insert_directory; |
| 95 Lisp_Object Qwildcard_to_regexp; | |
| 428 | 96 |
| 771 | 97 extern Lisp_Object Vmswindows_downcase_file_names; /* in device-msw.c */ |
| 428 | 98 |
| 558 | 99 enum mswindows_sortby |
| 100 { | |
| 428 | 101 MSWINDOWS_SORT_BY_NAME, |
| 102 MSWINDOWS_SORT_BY_NAME_NOCASE, | |
| 103 MSWINDOWS_SORT_BY_MOD_DATE, | |
| 104 MSWINDOWS_SORT_BY_SIZE | |
| 105 }; | |
| 106 | |
| 107 | |
| 771 | 108 static enum mswindows_sortby mswindows_sort_method; |
| 109 static int mswindows_reverse_sort; | |
| 110 | |
| 111 /* We create our own structure because the cFileName field in | |
| 112 WIN32_FIND_DATA is in external format and of fixed size, which we | |
| 113 may exceed when translating. */ | |
| 114 | |
| 115 typedef struct | |
| 116 { | |
| 117 DWORD dwFileAttributes; | |
| 118 FILETIME ftCreationTime; | |
| 119 FILETIME ftLastAccessTime; | |
| 120 FILETIME ftLastWriteTime; | |
| 121 DWORD nFileSizeHigh; | |
| 122 DWORD nFileSizeLow; | |
| 867 | 123 Ibyte *cFileName; |
| 771 | 124 } Win32_file; |
| 125 | |
| 126 typedef struct | |
| 127 { | |
| 128 Dynarr_declare (Win32_file); | |
| 129 } Win32_file_dynarr; | |
| 130 | |
| 428 | 131 |
| 132 | |
| 133 #define CMPDWORDS(t1a, t1b, t2a, t2b) \ | |
| 134 (((t1a) == (t2a)) ? (((t1b) == (t2b)) ? 0 : (((t1b) < (t2b)) ? -1 : 1)) \ | |
| 135 : (((t1a) < (t2a)) ? -1 : 1)) | |
| 136 | |
| 137 | |
| 138 static int | |
| 139 mswindows_ls_sort_fcn (const void *elem1, const void *elem2) | |
| 140 { | |
| 771 | 141 Win32_file *e1, *e2; |
| 142 int status; | |
| 428 | 143 |
| 771 | 144 e1 = (Win32_file *) elem1; |
| 145 e2 = (Win32_file *) elem2; | |
| 146 | |
| 428 | 147 switch (mswindows_sort_method) |
| 148 { | |
| 149 case MSWINDOWS_SORT_BY_NAME: | |
| 1204 | 150 status = qxestrcmp (e1->cFileName, e2->cFileName); |
| 428 | 151 break; |
| 152 case MSWINDOWS_SORT_BY_NAME_NOCASE: | |
| 771 | 153 status = qxestrcasecmp (e1->cFileName, e2->cFileName); |
| 428 | 154 break; |
| 155 case MSWINDOWS_SORT_BY_MOD_DATE: | |
| 771 | 156 status = CMPDWORDS (e1->ftLastWriteTime.dwHighDateTime, |
| 157 e1->ftLastWriteTime.dwLowDateTime, | |
| 158 e2->ftLastWriteTime.dwHighDateTime, | |
| 159 e2->ftLastWriteTime.dwLowDateTime); | |
| 428 | 160 break; |
| 161 case MSWINDOWS_SORT_BY_SIZE: | |
| 771 | 162 status = CMPDWORDS (e1->nFileSizeHigh, e1->nFileSizeLow, |
| 163 e2->nFileSizeHigh, e2->nFileSizeLow); | |
| 428 | 164 break; |
| 165 default: | |
| 166 status = 0; | |
| 167 break; | |
| 168 } | |
| 169 if (mswindows_reverse_sort) | |
| 170 { | |
| 171 status = -status; | |
| 172 } | |
| 173 return (status); | |
| 174 } | |
| 175 | |
| 176 static void | |
| 771 | 177 mswindows_sort_files (Win32_file_dynarr *files, |
| 428 | 178 enum mswindows_sortby sort_by, int reverse) |
| 179 { | |
| 180 mswindows_sort_method = sort_by; | |
| 181 mswindows_reverse_sort = reverse; | |
| 4967 | 182 qsort (Dynarr_begin (files), Dynarr_length (files), |
| 771 | 183 sizeof (Win32_file), mswindows_ls_sort_fcn); |
| 428 | 184 } |
| 185 | |
| 771 | 186 static Win32_file_dynarr * |
| 187 mswindows_get_files (Lisp_Object dirfile, int nowild, Lisp_Object pattern, | |
| 188 int hide_dot, int hide_system) | |
| 428 | 189 { |
| 771 | 190 Win32_file_dynarr *files = Dynarr_new (Win32_file); |
| 191 struct re_pattern_buffer *bufp = NULL; | |
| 192 int findex; | |
| 193 DECLARE_EISTRING (win32pattern); | |
| 194 HANDLE fh; | |
| 2526 | 195 int errm; |
| 428 | 196 |
| 197 while (1) | |
| 198 { | |
| 771 | 199 if (!NILP (pattern)) |
| 428 | 200 { |
| 201 /* PATTERN might be a flawed regular expression. Rather than | |
| 202 catching and signalling our own errors, we just call | |
| 203 compile_pattern to do the work for us. */ | |
| 826 | 204 bufp = compile_pattern (pattern, 0, Qnil, Qnil, 0, 0, ERROR_ME); |
| 428 | 205 } |
| 206 /* Now *bufp is the compiled form of PATTERN; don't call anything | |
| 207 which might compile a new regexp until we're done with the loop! */ | |
| 208 | |
| 2526 | 209 { |
| 210 Ibyte *dir2; | |
| 211 LISP_PATHNAME_RESOLVE_LINKS (dirfile, dir2); | |
| 212 eicpy_rawz (win32pattern, dir2); | |
| 213 } | |
| 214 | |
| 428 | 215 /* for Win32, we need to insure that the pathname ends with "\*". */ |
| 216 if (!nowild) | |
| 217 { | |
| 771 | 218 Charcount len = eicharlen (win32pattern) - 1; |
| 219 if (!IS_DIRECTORY_SEP (eigetch_char (win32pattern, len))) | |
| 2421 | 220 eicat_ascii (win32pattern, "\\"); |
| 221 eicat_ascii (win32pattern, "*"); | |
| 428 | 222 } |
| 771 | 223 eito_external (win32pattern, Qmswindows_tstr); |
| 428 | 224 |
| 225 /* | |
| 226 * Here, we use FindFirstFile()/FindNextFile() instead of opendir(), | |
| 771 | 227 * qxe_stat(), & friends, because qxe_stat() is VERY expensive in |
| 442 | 228 * terms of time. Hence, we take the time to write complicated |
| 229 * Win32-specific code, instead of simple Unix-style stuff. | |
| 428 | 230 */ |
| 231 findex = 0; | |
| 232 fh = INVALID_HANDLE_VALUE; | |
| 819 | 233 errm = SetErrorMode (SEM_FAILCRITICALERRORS |
| 234 | SEM_NOOPENFILEERRORBOX); | |
| 428 | 235 |
| 236 while (1) | |
| 237 { | |
| 771 | 238 Bytecount len; |
| 239 DECLARE_EISTRING (filename); | |
| 240 int result; | |
| 241 WIN32_FIND_DATAW finddat; | |
| 242 Win32_file file; | |
| 826 | 243 struct syntax_cache scache_struct; |
| 244 struct syntax_cache *scache = &scache_struct; | |
| 428 | 245 |
| 246 if (fh == INVALID_HANDLE_VALUE) | |
| 247 { | |
| 771 | 248 fh = qxeFindFirstFile (eiextdata (win32pattern), &finddat); |
| 428 | 249 if (fh == INVALID_HANDLE_VALUE) |
| 819 | 250 { |
| 251 SetErrorMode (errm); | |
| 252 report_file_error ("Opening directory", dirfile); | |
| 253 } | |
| 428 | 254 } |
| 255 else | |
| 256 { | |
| 771 | 257 if (! qxeFindNextFile (fh, &finddat)) |
| 428 | 258 { |
| 819 | 259 if (GetLastError() == ERROR_NO_MORE_FILES) |
| 260 { | |
| 261 break; | |
| 262 } | |
| 263 FindClose(fh); | |
| 264 SetErrorMode (errm); | |
| 771 | 265 report_file_error ("Reading directory", dirfile); |
| 428 | 266 } |
| 267 } | |
| 268 | |
| 771 | 269 file.dwFileAttributes = finddat.dwFileAttributes; |
| 270 file.ftCreationTime = finddat.ftCreationTime; | |
| 271 file.ftLastAccessTime = finddat.ftLastAccessTime; | |
| 272 file.ftLastWriteTime = finddat.ftLastWriteTime; | |
| 273 file.nFileSizeHigh = finddat.nFileSizeHigh; | |
| 274 file.nFileSizeLow = finddat.nFileSizeLow; | |
| 275 eicpy_ext (filename, (Extbyte *) finddat.cFileName, | |
| 276 Qmswindows_tstr); | |
| 277 | |
| 278 if (!NILP (Vmswindows_downcase_file_names)) | |
| 279 eilwr (filename); | |
| 280 len = eilen (filename); | |
| 281 result = (NILP (pattern) | |
| 1204 | 282 || (0 <= re_search (bufp, (char *) eidata (filename), |
| 826 | 283 len, 0, len, 0, Qnil, 0, scache))); |
| 428 | 284 if (result) |
| 285 { | |
| 771 | 286 if ( ! (eigetch_char (filename, 0) == '.' && |
| 287 ((hide_system && | |
| 288 (eigetch_char (filename, 1) == '\0' || | |
| 289 (eigetch_char (filename, 1) == '.' && | |
| 290 eigetch_char (filename, 2) == '\0'))) || | |
| 428 | 291 hide_dot))) |
| 292 { | |
| 2367 | 293 file.cFileName = xnew_ibytes (len + ITEXT_ZTERM_SIZE); |
| 771 | 294 memcpy (file.cFileName, eidata (filename), len); |
| 295 file.cFileName[len] = '\0'; | |
| 296 Dynarr_add (files, file); | |
| 428 | 297 } |
| 298 } | |
| 299 } | |
| 300 if (fh != INVALID_HANDLE_VALUE) | |
| 771 | 301 FindClose (fh); |
| 428 | 302 break; |
| 303 } | |
| 819 | 304 |
| 305 SetErrorMode (errm); | |
| 428 | 306 return (files); |
| 307 } | |
| 308 | |
| 771 | 309 static Lisp_Object |
| 310 mswindows_format_file (Win32_file *file, int display_size, int add_newline) | |
| 428 | 311 { |
| 771 | 312 Lisp_Object luser; |
| 313 double file_size; | |
| 314 DECLARE_EISTRING (puta); | |
| 867 | 315 CIbyte buf[666]; |
| 428 | 316 |
| 317 file_size = | |
| 318 file->nFileSizeHigh * (double)UINT_MAX + file->nFileSizeLow; | |
| 319 #if INDENT_LISTING | |
| 2421 | 320 eicat_ascii (puta, " "); |
| 428 | 321 #endif |
| 322 if (display_size) | |
| 323 { | |
| 771 | 324 sprintf (buf, "%6d ", (int)((file_size + 1023.) / 1024.)); |
| 2421 | 325 eicat_ascii (puta, buf); |
| 428 | 326 } |
| 327 if (file->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) | |
| 2421 | 328 eicat_ascii (puta, "d"); |
| 771 | 329 else |
| 2421 | 330 eicat_ascii (puta, "-"); |
| 771 | 331 buf[0] = buf[3] = buf[6] = 'r'; |
| 428 | 332 if (file->dwFileAttributes & FILE_ATTRIBUTE_READONLY) |
| 771 | 333 buf[1] = buf[4] = buf[7] = '-'; |
| 334 else | |
| 335 buf[1] = buf[4] = buf[7] = 'w'; | |
| 336 { | |
| 337 int is_executable = 0; | |
| 428 | 338 |
| 771 | 339 if (file->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) |
| 340 is_executable = 1; | |
| 341 else if (qxestrcharlen (file->cFileName) > 4) | |
| 342 { | |
| 867 | 343 Ibyte *end = file->cFileName + qxestrlen (file->cFileName); |
| 344 DEC_IBYTEPTR (end); | |
| 345 DEC_IBYTEPTR (end); | |
| 346 DEC_IBYTEPTR (end); | |
| 347 DEC_IBYTEPTR (end); | |
| 2367 | 348 if (qxestrcasecmp_ascii (end, ".exe") == 0 |
| 349 || qxestrcasecmp_ascii (end, ".com") == 0 | |
| 350 || qxestrcasecmp_ascii (end, ".bat") == 0 | |
| 428 | 351 #if 0 |
| 2367 | 352 || qxestrcasecmp_ascii (end, ".pif") == 0 |
| 428 | 353 #endif |
| 771 | 354 ) |
| 355 is_executable = 1; | |
| 428 | 356 } |
| 771 | 357 if (is_executable) |
| 358 buf[2] = buf[5] = buf[8] = 'x'; | |
| 359 else | |
| 360 buf[2] = buf[5] = buf[8] = '-'; | |
| 428 | 361 } |
| 771 | 362 buf[9] = '\0'; |
| 2421 | 363 eicat_ascii (puta, buf); |
| 771 | 364 if (file->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) |
| 2421 | 365 eicat_ascii (puta, " 2 "); |
| 771 | 366 else |
| 2421 | 367 eicat_ascii (puta, " 1 "); |
| 771 | 368 luser = Fuser_login_name (Qnil); |
| 369 if (!STRINGP (luser)) | |
| 370 sprintf (buf, "%-9d", 0); | |
| 428 | 371 else |
| 372 { | |
| 867 | 373 Ibyte *str; |
| 771 | 374 |
| 375 str = XSTRING_DATA (luser); | |
| 376 sprintf (buf, "%-8s ", str); | |
| 428 | 377 } |
| 867 | 378 eicat_raw (puta, (Ibyte *) buf, strlen (buf)); |
| 771 | 379 { |
| 867 | 380 CIbyte *cptr = buf; |
| 771 | 381 sprintf (buf, "%-8d ", getgid ()); |
| 382 cptr += 9; | |
| 383 if (file_size > 99999999.0) | |
| 384 { | |
| 385 file_size = (file_size + 1023.0) / 1024.; | |
| 386 if (file_size > 999999.0) | |
| 387 sprintf (cptr, "%6.0fMB ", (file_size + 1023.0) / 1024.); | |
| 388 else | |
| 389 sprintf (cptr, "%6.0fKB ", file_size); | |
| 390 } | |
| 391 else | |
| 392 sprintf (cptr, "%8.0f ", file_size); | |
| 393 while (*cptr) | |
| 394 ++cptr; | |
| 395 { | |
| 396 time_t t, now; | |
| 867 | 397 Ibyte *ctimebuf; |
| 771 | 398 |
| 399 if ( | |
| 400 #if 0 | |
| 401 /* | |
| 402 * This doesn't work. | |
| 403 * This code should be correct ... | |
| 404 */ | |
| 405 FileTimeToLocalFileTime (&file->ftLastWriteTime, &localtime) && | |
| 406 ((t = mswindows_convert_time (localtime)) != 0) && | |
| 407 #else | |
| 408 /* | |
| 409 * But this code "works" ... | |
| 410 */ | |
| 411 ((t = mswindows_convert_time (file->ftLastWriteTime)) != 0) && | |
| 412 #endif | |
| 413 ((ctimebuf = qxe_ctime (&t)) != NULL)) | |
| 414 { | |
| 415 memcpy (cptr, &ctimebuf[4], 7); | |
| 416 now = time (NULL); | |
| 417 if (now - t > (365. / 2.0) * 86400.) | |
| 418 { | |
| 419 /* more than 6 months */ | |
| 420 cptr[7] = ' '; | |
| 421 memcpy (&cptr[8], &ctimebuf[20], 4); | |
| 422 } | |
| 423 else | |
| 424 { | |
| 425 /* less than 6 months */ | |
| 426 memcpy (&cptr[7], &ctimebuf[11], 5); | |
| 427 } | |
| 428 cptr += 12; | |
| 429 *cptr++ = ' '; | |
| 430 *cptr++ = '\0'; | |
| 431 } | |
| 432 } | |
| 433 } | |
| 434 | |
| 2421 | 435 eicat_ascii (puta, buf); |
| 771 | 436 eicat_raw (puta, file->cFileName, qxestrlen (file->cFileName)); |
| 437 if (add_newline) | |
| 2421 | 438 eicat_ascii (puta, "\n"); |
| 771 | 439 |
| 440 return eimake_string (puta); | |
| 428 | 441 } |
| 442 | |
| 443 | |
| 444 DEFUN ("mswindows-insert-directory", Fmswindows_insert_directory, 2, 4, 0, /* | |
| 445 Insert directory listing for FILE, formatted according to SWITCHES. | |
| 446 Leaves point after the inserted text. | |
| 447 SWITCHES may be a string of options, or a list of strings. | |
| 448 Optional third arg WILDCARD means treat FILE as shell wildcard. | |
| 449 Optional fourth arg FULL-DIRECTORY-P means file is a directory and | |
| 450 switches do not contain `d', so that a full listing is expected. | |
| 451 */ | |
| 452 (file, switches, wildcard, full_directory_p)) | |
| 453 { | |
| 771 | 454 Lisp_Object handler, wildpat = Qnil, basename = Qnil; |
| 455 int nfiles = 0, i; | |
| 456 int hide_system = 1, hide_dot = 1, reverse = 0, display_size = 0; | |
| 457 Win32_file_dynarr *files; | |
| 458 enum mswindows_sortby sort_by = | |
| 459 (mswindows_ls_sort_case_insensitive ? MSWINDOWS_SORT_BY_NAME_NOCASE | |
| 460 : MSWINDOWS_SORT_BY_NAME); | |
| 461 struct gcpro gcpro1, gcpro2, gcpro3; | |
| 462 | |
| 463 GCPRO3 (file, wildpat, basename); | |
| 464 | |
| 465 CHECK_STRING (file); | |
| 466 if (!NILP (wildpat)) | |
| 467 CHECK_STRING (wildpat); | |
| 428 | 468 |
| 771 | 469 handler = Ffind_file_name_handler (file, Qmswindows_insert_directory); |
| 470 if (!NILP (handler)) | |
| 471 { | |
| 472 UNGCPRO; | |
| 473 return call5 (handler, Qmswindows_insert_directory, file, switches, | |
| 474 wildcard, full_directory_p); | |
| 475 } | |
| 476 | |
| 477 if (!NILP (switches)) | |
| 428 | 478 { |
| 867 | 479 Ibyte *cptr, *cptr_end; |
| 771 | 480 |
| 481 CHECK_STRING (switches); | |
| 482 cptr = XSTRING_DATA (switches); | |
| 483 cptr_end = cptr + XSTRING_LENGTH (switches); | |
| 484 while (cptr < cptr_end) | |
| 428 | 485 { |
| 867 | 486 Ichar ch = itext_ichar (cptr); |
| 771 | 487 switch (ch) |
| 428 | 488 { |
| 771 | 489 case 'A': |
| 490 hide_dot = 0; | |
| 491 break; | |
| 492 case 'a': | |
| 493 hide_system = 0; | |
| 494 hide_dot = 0; | |
| 495 break; | |
| 496 case 'r': | |
| 497 reverse = 1; | |
| 498 break; | |
| 499 case 's': | |
| 500 display_size = 1; | |
| 501 break; | |
| 502 case 'S': | |
| 503 sort_by = MSWINDOWS_SORT_BY_SIZE; | |
| 504 break; | |
| 505 case 't': | |
| 506 sort_by = MSWINDOWS_SORT_BY_MOD_DATE; | |
| 428 | 507 break; |
| 508 } | |
| 867 | 509 INC_IBYTEPTR (cptr); |
| 428 | 510 } |
| 771 | 511 } |
| 512 | |
| 513 if (!NILP (wildcard)) | |
| 514 { | |
| 515 Lisp_Object newfile; | |
| 516 | |
| 517 file = Fdirectory_file_name (file); | |
| 518 basename = Ffile_name_nondirectory (file); | |
| 519 wildpat = call1 (Qwildcard_to_regexp, basename); | |
| 520 newfile = Ffile_name_directory (file); | |
| 521 if (NILP (newfile)) | |
| 522 newfile = Ffile_name_directory (Fexpand_file_name (file, Qnil)); | |
| 523 file = newfile; | |
| 524 } | |
| 525 | |
| 526 files = mswindows_get_files (file, | |
| 527 NILP (wildcard) && NILP (full_directory_p), | |
| 528 wildpat, hide_dot, hide_system); | |
| 529 | |
| 530 if (Dynarr_length (files) > 1) | |
| 531 mswindows_sort_files (files, sort_by, reverse); | |
| 532 if (!NILP (wildcard) || !NILP (full_directory_p)) | |
| 533 { | |
| 534 /* | |
| 535 * By using doubles, we can handle files up to 2^53 bytes in | |
| 536 * size (IEEE doubles have 53 bits of resolution). However, | |
| 537 * as we divide by 1024 (or 2^10), the total size is | |
| 538 * accurate up to 2^(53+10) --> 2^63 bytes. | |
| 539 * | |
| 540 * Hopefully, we won't have to handle these file sizes anytime | |
| 541 * soon. | |
| 542 */ | |
| 543 double total_size, file_size, block_size; | |
| 428 | 544 |
| 771 | 545 if ((block_size = mswindows_ls_round_file_size) <= 0) |
| 546 { | |
| 547 block_size = 0; | |
| 548 } | |
| 549 total_size = 0; | |
| 550 for (i = 0; i < Dynarr_length (files); ++i) | |
| 551 { | |
| 552 Win32_file *file = Dynarr_atp (files, i); | |
| 553 file_size = | |
| 554 file->nFileSizeHigh * (double)UINT_MAX + | |
| 555 file->nFileSizeLow; | |
| 556 if (block_size > 0) | |
| 428 | 557 { |
| 771 | 558 /* |
| 559 * Round file_size up to the next nearest block size. | |
| 560 */ | |
| 428 | 561 file_size = |
| 771 | 562 floor ((file_size + block_size - 1) / block_size) |
| 563 * block_size; | |
| 428 | 564 } |
| 771 | 565 /* Here, we round to the nearest 1K */ |
| 566 total_size += floor ((file_size + 512.) / 1024.); | |
| 428 | 567 } |
| 771 | 568 { |
| 800 | 569 write_fmt_string (wrap_buffer (current_buffer), |
| 771 | 570 #if INDENT_LISTING |
| 800 | 571 /* ANSI C compilers auto-concatenate adjacent |
| 572 strings */ | |
| 573 " " | |
| 771 | 574 #endif |
| 800 | 575 "total %.0f\n", total_size); |
| 771 | 576 } |
| 428 | 577 } |
| 771 | 578 for (i = 0; i < Dynarr_length (files); ++i) |
| 428 | 579 { |
| 771 | 580 struct gcpro ngcpro1; |
| 581 Lisp_Object fmtfile = | |
| 582 mswindows_format_file (Dynarr_atp (files, i), display_size, TRUE); | |
| 583 NGCPRO1 (fmtfile); | |
| 584 buffer_insert1 (current_buffer, fmtfile); | |
| 585 NUNGCPRO; | |
| 428 | 586 } |
| 771 | 587 for (i = 0; i < Dynarr_length (files); ++i) |
| 588 { | |
| 589 Win32_file *file = Dynarr_atp (files, i); | |
|
4976
16112448d484
Rename xfree(FOO, TYPE) -> xfree(FOO)
Ben Wing <ben@xemacs.org>
parents:
4967
diff
changeset
|
590 xfree (file->cFileName); |
| 771 | 591 } |
| 592 Dynarr_free (files); | |
| 593 | |
| 428 | 594 UNGCPRO; |
| 771 | 595 return Qnil; |
| 428 | 596 } |
| 597 | |
| 598 | |
| 599 | |
| 600 /************************************************************************/ | |
| 601 /* initialization */ | |
| 602 /************************************************************************/ | |
| 603 | |
| 604 void | |
| 605 syms_of_dired_mswindows (void) | |
| 606 { | |
| 563 | 607 DEFSYMBOL (Qmswindows_insert_directory); |
| 771 | 608 DEFSYMBOL (Qwildcard_to_regexp); |
| 428 | 609 |
| 610 DEFSUBR (Fmswindows_insert_directory); | |
| 611 } | |
| 612 | |
| 613 | |
| 614 void | |
| 615 vars_of_dired_mswindows (void) | |
| 616 { | |
| 771 | 617 DEFVAR_BOOL ("mswindows-ls-sort-case-insensitive", |
| 618 &mswindows_ls_sort_case_insensitive /* | |
| 428 | 619 *Non-nil means filenames are sorted in a case-insensitive fashion. |
| 620 Nil means filenames are sorted in a case-sensitive fashion, just like Unix. | |
| 621 */ ); | |
| 622 mswindows_ls_sort_case_insensitive = 1; | |
| 623 | |
| 624 DEFVAR_INT ("mswindows-ls-round-file-size", &mswindows_ls_round_file_size /* | |
| 625 *If non-zero, file sizes are rounded in terms of this block size when | |
| 626 the file totals are being calculated. This is useful for getting a more | |
| 627 accurate estimate of allocated disk space. Note that this only affects | |
| 628 the total size calculation; the individual displayed file sizes are not | |
| 629 changed. This block size should also be a power of 2 (but this is not | |
| 630 enforced), as filesystem block (cluster) sizes are typically powers-of-2. | |
| 631 */ ); | |
| 632 /* | |
| 633 * Here, we choose 4096 because it's the cluster size for both FAT32 | |
| 634 * and NTFS (?). This is probably much too small for people using | |
| 635 * plain FAT, but, hopefully, plain FAT will go away someday. | |
| 636 * | |
| 637 * We should allow something like a alist here, to make the size | |
| 638 * dependent on the drive letter, etc.. | |
| 639 */ | |
| 640 mswindows_ls_round_file_size = 4096; | |
| 641 } |