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428
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1 /* fast dired replacement routines for mswindows.
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2 Copyright (C) 1998 Darryl Okahata
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3 Portions Copyright (C) 1992, 1994 by Sebastian Kremer <sk@thp.uni-koeln.de>
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800
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4 Copyright (C) 2000, 2001, 2002 Ben Wing.
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428
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: Not in FSF. */
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24
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771
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25
|
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428
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26 /*
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27 * Parts of this code (& comments) were taken from ls-lisp.el
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28 * Author: Sebastian Kremer <sk@thp.uni-koeln.de>
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29 */
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30
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31 /*
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32 * insert-directory
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33 * - must insert _exactly_one_line_ describing FILE if WILDCARD and
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34 * FULL-DIRECTORY-P is nil.
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35 * The single line of output must display FILE's name as it was
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36 * given, namely, an absolute path name.
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37 * - must insert exactly one line for each file if WILDCARD or
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38 * FULL-DIRECTORY-P is t, plus one optional "total" line
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39 * before the file lines, plus optional text after the file lines.
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40 * Lines are delimited by "\n", so filenames containing "\n" are not
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41 * allowed.
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42 * File lines should display the basename.
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43 * - must be consistent with
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44 * - functions dired-move-to-filename, (these two define what a file line is)
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45 * dired-move-to-end-of-filename,
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46 * dired-between-files, (shortcut for (not (dired-move-to-filename)))
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47 * dired-insert-headerline
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48 * dired-after-subdir-garbage (defines what a "total" line is)
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49 * - variable dired-subdir-regexp
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50 */
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51
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52 /*
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53 * Insert directory listing for FILE, formatted according to SWITCHES.
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54 * Leaves point after the inserted text.
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55 * SWITCHES may be a string of options, or a list of strings.
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56 * Optional third arg WILDCARD means treat FILE as shell wildcard.
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57 * Optional fourth arg FULL-DIRECTORY-P means file is a directory and
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58 * switches do not contain `d', so that a full listing is expected.
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59 *
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60 * This works by running a directory listing program
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61 * whose name is in the variable `insert-directory-program'.
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62 * If WILDCARD, it also runs the shell specified by `shell-file-name'."
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63 */
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64
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65 /*
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66 * Set INDENT_LISTING to non-zero if the inserted text should be shifted
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67 * over by two spaces.
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68 */
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771
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69 #define INDENT_LISTING 0
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|
428
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70
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771
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71 #define ROUND_FILE_SIZES 4096
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|
428
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72
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73
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74 #include <config.h>
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75 #include "lisp.h"
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76
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77 #include "buffer.h"
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78 #include "regex.h"
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826
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79 #include "syntax.h"
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428
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80
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872
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81 #include "console-msw.h"
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82
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428
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83 #include "sysdir.h"
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442
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84 #include "sysfile.h"
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558
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85 #include "sysfloat.h"
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771
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86 #include "sysproc.h"
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87 #include "syspwd.h"
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|
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88 #include "systime.h"
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|
872
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89
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428
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90
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91 static int mswindows_ls_sort_case_insensitive;
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458
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92 static Fixnum mswindows_ls_round_file_size;
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428
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93
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771
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94 Lisp_Object Qmswindows_insert_directory;
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95 Lisp_Object Qwildcard_to_regexp;
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|
428
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96
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771
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97 extern Lisp_Object Vmswindows_downcase_file_names; /* in device-msw.c */
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|
428
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98
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|
558
|
99 enum mswindows_sortby
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100 {
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428
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101 MSWINDOWS_SORT_BY_NAME,
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102 MSWINDOWS_SORT_BY_NAME_NOCASE,
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103 MSWINDOWS_SORT_BY_MOD_DATE,
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104 MSWINDOWS_SORT_BY_SIZE
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105 };
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106
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107
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771
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108 static enum mswindows_sortby mswindows_sort_method;
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109 static int mswindows_reverse_sort;
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110
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111 /* We create our own structure because the cFileName field in
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112 WIN32_FIND_DATA is in external format and of fixed size, which we
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113 may exceed when translating. */
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114
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115 typedef struct
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116 {
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117 DWORD dwFileAttributes;
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118 FILETIME ftCreationTime;
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119 FILETIME ftLastAccessTime;
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120 FILETIME ftLastWriteTime;
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121 DWORD nFileSizeHigh;
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122 DWORD nFileSizeLow;
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867
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123 Ibyte *cFileName;
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771
|
124 } Win32_file;
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125
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126 typedef struct
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127 {
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128 Dynarr_declare (Win32_file);
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129 } Win32_file_dynarr;
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130
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428
|
131
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132
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133 #define CMPDWORDS(t1a, t1b, t2a, t2b) \
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134 (((t1a) == (t2a)) ? (((t1b) == (t2b)) ? 0 : (((t1b) < (t2b)) ? -1 : 1)) \
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135 : (((t1a) < (t2a)) ? -1 : 1))
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136
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|
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137
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138 static int
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139 mswindows_ls_sort_fcn (const void *elem1, const void *elem2)
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|
|
140 {
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|
771
|
141 Win32_file *e1, *e2;
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142 int status;
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|
428
|
143
|
|
771
|
144 e1 = (Win32_file *) elem1;
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145 e2 = (Win32_file *) elem2;
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|
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146
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|
428
|
147 switch (mswindows_sort_method)
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|
148 {
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|
|
149 case MSWINDOWS_SORT_BY_NAME:
|
|
1204
|
150 status = qxestrcmp (e1->cFileName, e2->cFileName);
|
|
428
|
151 break;
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|
|
152 case MSWINDOWS_SORT_BY_NAME_NOCASE:
|
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771
|
153 status = qxestrcasecmp (e1->cFileName, e2->cFileName);
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|
428
|
154 break;
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|
|
155 case MSWINDOWS_SORT_BY_MOD_DATE:
|
|
771
|
156 status = CMPDWORDS (e1->ftLastWriteTime.dwHighDateTime,
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|
|
157 e1->ftLastWriteTime.dwLowDateTime,
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|
|
158 e2->ftLastWriteTime.dwHighDateTime,
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|
|
159 e2->ftLastWriteTime.dwLowDateTime);
|
|
428
|
160 break;
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|
|
161 case MSWINDOWS_SORT_BY_SIZE:
|
|
771
|
162 status = CMPDWORDS (e1->nFileSizeHigh, e1->nFileSizeLow,
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|
|
163 e2->nFileSizeHigh, e2->nFileSizeLow);
|
|
428
|
164 break;
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|
165 default:
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|
166 status = 0;
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167 break;
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|
168 }
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|
|
169 if (mswindows_reverse_sort)
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170 {
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|
171 status = -status;
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|
172 }
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173 return (status);
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|
174 }
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175
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|
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176 static void
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|
771
|
177 mswindows_sort_files (Win32_file_dynarr *files,
|
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428
|
178 enum mswindows_sortby sort_by, int reverse)
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|
|
179 {
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|
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180 mswindows_sort_method = sort_by;
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|
|
181 mswindows_reverse_sort = reverse;
|
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771
|
182 qsort (Dynarr_atp (files, 0), Dynarr_length (files),
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183 sizeof (Win32_file), mswindows_ls_sort_fcn);
|
|
428
|
184 }
|
|
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185
|
|
771
|
186 static Win32_file_dynarr *
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187 mswindows_get_files (Lisp_Object dirfile, int nowild, Lisp_Object pattern,
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188 int hide_dot, int hide_system)
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|
428
|
189 {
|
|
771
|
190 Win32_file_dynarr *files = Dynarr_new (Win32_file);
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191 struct re_pattern_buffer *bufp = NULL;
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|
|
192 int findex;
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193 DECLARE_EISTRING (win32pattern);
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194 HANDLE fh;
|
|
819
|
195 int errm;
|
|
428
|
196
|
|
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197 while (1)
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|
198 {
|
|
771
|
199 if (!NILP (pattern))
|
|
428
|
200 {
|
|
|
201 /* PATTERN might be a flawed regular expression. Rather than
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202 catching and signalling our own errors, we just call
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|
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
|
|
|
209 /* for Win32, we need to insure that the pathname ends with "\*". */
|
|
771
|
210 eicpy_lstr (win32pattern, dirfile);
|
|
428
|
211 if (!nowild)
|
|
|
212 {
|
|
771
|
213 Charcount len = eicharlen (win32pattern) - 1;
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|
|
214 if (!IS_DIRECTORY_SEP (eigetch_char (win32pattern, len)))
|
|
|
215 eicat_c (win32pattern, "\\");
|
|
|
216 eicat_c (win32pattern, "*");
|
|
428
|
217 }
|
|
771
|
218 eito_external (win32pattern, Qmswindows_tstr);
|
|
428
|
219
|
|
|
220 /*
|
|
|
221 * Here, we use FindFirstFile()/FindNextFile() instead of opendir(),
|
|
771
|
222 * qxe_stat(), & friends, because qxe_stat() is VERY expensive in
|
|
442
|
223 * terms of time. Hence, we take the time to write complicated
|
|
|
224 * Win32-specific code, instead of simple Unix-style stuff.
|
|
428
|
225 */
|
|
|
226 findex = 0;
|
|
|
227 fh = INVALID_HANDLE_VALUE;
|
|
819
|
228 errm = SetErrorMode (SEM_FAILCRITICALERRORS
|
|
|
229 | SEM_NOOPENFILEERRORBOX);
|
|
428
|
230
|
|
|
231 while (1)
|
|
|
232 {
|
|
771
|
233 Bytecount len;
|
|
|
234 DECLARE_EISTRING (filename);
|
|
|
235 int result;
|
|
|
236 WIN32_FIND_DATAW finddat;
|
|
|
237 Win32_file file;
|
|
826
|
238 struct syntax_cache scache_struct;
|
|
|
239 struct syntax_cache *scache = &scache_struct;
|
|
428
|
240
|
|
|
241 if (fh == INVALID_HANDLE_VALUE)
|
|
|
242 {
|
|
771
|
243 fh = qxeFindFirstFile (eiextdata (win32pattern), &finddat);
|
|
428
|
244 if (fh == INVALID_HANDLE_VALUE)
|
|
819
|
245 {
|
|
|
246 SetErrorMode (errm);
|
|
|
247 report_file_error ("Opening directory", dirfile);
|
|
|
248 }
|
|
428
|
249 }
|
|
|
250 else
|
|
|
251 {
|
|
771
|
252 if (! qxeFindNextFile (fh, &finddat))
|
|
428
|
253 {
|
|
819
|
254 if (GetLastError() == ERROR_NO_MORE_FILES)
|
|
|
255 {
|
|
|
256 break;
|
|
|
257 }
|
|
|
258 FindClose(fh);
|
|
|
259 SetErrorMode (errm);
|
|
771
|
260 report_file_error ("Reading directory", dirfile);
|
|
428
|
261 }
|
|
|
262 }
|
|
|
263
|
|
771
|
264 file.dwFileAttributes = finddat.dwFileAttributes;
|
|
|
265 file.ftCreationTime = finddat.ftCreationTime;
|
|
|
266 file.ftLastAccessTime = finddat.ftLastAccessTime;
|
|
|
267 file.ftLastWriteTime = finddat.ftLastWriteTime;
|
|
|
268 file.nFileSizeHigh = finddat.nFileSizeHigh;
|
|
|
269 file.nFileSizeLow = finddat.nFileSizeLow;
|
|
|
270 eicpy_ext (filename, (Extbyte *) finddat.cFileName,
|
|
|
271 Qmswindows_tstr);
|
|
|
272
|
|
|
273 if (!NILP (Vmswindows_downcase_file_names))
|
|
|
274 eilwr (filename);
|
|
|
275 len = eilen (filename);
|
|
|
276 result = (NILP (pattern)
|
|
1204
|
277 || (0 <= re_search (bufp, (char *) eidata (filename),
|
|
826
|
278 len, 0, len, 0, Qnil, 0, scache)));
|
|
428
|
279 if (result)
|
|
|
280 {
|
|
771
|
281 if ( ! (eigetch_char (filename, 0) == '.' &&
|
|
|
282 ((hide_system &&
|
|
|
283 (eigetch_char (filename, 1) == '\0' ||
|
|
|
284 (eigetch_char (filename, 1) == '.' &&
|
|
|
285 eigetch_char (filename, 2) == '\0'))) ||
|
|
428
|
286 hide_dot)))
|
|
|
287 {
|
|
771
|
288 file.cFileName =
|
|
867
|
289 (Ibyte *) xmalloc (sizeof (Ibyte) * (1 + len));
|
|
771
|
290 memcpy (file.cFileName, eidata (filename), len);
|
|
|
291 file.cFileName[len] = '\0';
|
|
|
292 Dynarr_add (files, file);
|
|
428
|
293 }
|
|
|
294 }
|
|
|
295 }
|
|
|
296 if (fh != INVALID_HANDLE_VALUE)
|
|
771
|
297 FindClose (fh);
|
|
428
|
298 break;
|
|
|
299 }
|
|
819
|
300
|
|
|
301 SetErrorMode (errm);
|
|
428
|
302 return (files);
|
|
|
303 }
|
|
|
304
|
|
771
|
305 static Lisp_Object
|
|
|
306 mswindows_format_file (Win32_file *file, int display_size, int add_newline)
|
|
428
|
307 {
|
|
771
|
308 Lisp_Object luser;
|
|
|
309 double file_size;
|
|
|
310 DECLARE_EISTRING (puta);
|
|
867
|
311 CIbyte buf[666];
|
|
428
|
312
|
|
|
313 file_size =
|
|
|
314 file->nFileSizeHigh * (double)UINT_MAX + file->nFileSizeLow;
|
|
|
315 #if INDENT_LISTING
|
|
771
|
316 eicat_c (puta, " ");
|
|
428
|
317 #endif
|
|
|
318 if (display_size)
|
|
|
319 {
|
|
771
|
320 sprintf (buf, "%6d ", (int)((file_size + 1023.) / 1024.));
|
|
|
321 eicat_c (puta, buf);
|
|
428
|
322 }
|
|
|
323 if (file->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
|
771
|
324 eicat_c (puta, "d");
|
|
|
325 else
|
|
|
326 eicat_c (puta, "-");
|
|
|
327 buf[0] = buf[3] = buf[6] = 'r';
|
|
428
|
328 if (file->dwFileAttributes & FILE_ATTRIBUTE_READONLY)
|
|
771
|
329 buf[1] = buf[4] = buf[7] = '-';
|
|
|
330 else
|
|
|
331 buf[1] = buf[4] = buf[7] = 'w';
|
|
|
332 {
|
|
|
333 int is_executable = 0;
|
|
428
|
334
|
|
771
|
335 if (file->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
|
|
336 is_executable = 1;
|
|
|
337 else if (qxestrcharlen (file->cFileName) > 4)
|
|
|
338 {
|
|
867
|
339 Ibyte *end = file->cFileName + qxestrlen (file->cFileName);
|
|
|
340 DEC_IBYTEPTR (end);
|
|
|
341 DEC_IBYTEPTR (end);
|
|
|
342 DEC_IBYTEPTR (end);
|
|
|
343 DEC_IBYTEPTR (end);
|
|
1204
|
344 if (qxestrcasecmp_c (end, ".exe") == 0
|
|
|
345 || qxestrcasecmp_c (end, ".com") == 0
|
|
|
346 || qxestrcasecmp_c (end, ".bat") == 0
|
|
428
|
347 #if 0
|
|
1204
|
348 || qxestrcasecmp_c (end, ".pif") == 0
|
|
428
|
349 #endif
|
|
771
|
350 )
|
|
|
351 is_executable = 1;
|
|
428
|
352 }
|
|
771
|
353 if (is_executable)
|
|
|
354 buf[2] = buf[5] = buf[8] = 'x';
|
|
|
355 else
|
|
|
356 buf[2] = buf[5] = buf[8] = '-';
|
|
428
|
357 }
|
|
771
|
358 buf[9] = '\0';
|
|
|
359 eicat_c (puta, buf);
|
|
|
360 if (file->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
|
|
361 eicat_c (puta, " 2 ");
|
|
|
362 else
|
|
|
363 eicat_c (puta, " 1 ");
|
|
|
364 luser = Fuser_login_name (Qnil);
|
|
|
365 if (!STRINGP (luser))
|
|
|
366 sprintf (buf, "%-9d", 0);
|
|
428
|
367 else
|
|
|
368 {
|
|
867
|
369 Ibyte *str;
|
|
771
|
370
|
|
|
371 str = XSTRING_DATA (luser);
|
|
|
372 sprintf (buf, "%-8s ", str);
|
|
428
|
373 }
|
|
867
|
374 eicat_raw (puta, (Ibyte *) buf, strlen (buf));
|
|
771
|
375 {
|
|
867
|
376 CIbyte *cptr = buf;
|
|
771
|
377 sprintf (buf, "%-8d ", getgid ());
|
|
|
378 cptr += 9;
|
|
|
379 if (file_size > 99999999.0)
|
|
|
380 {
|
|
|
381 file_size = (file_size + 1023.0) / 1024.;
|
|
|
382 if (file_size > 999999.0)
|
|
|
383 sprintf (cptr, "%6.0fMB ", (file_size + 1023.0) / 1024.);
|
|
|
384 else
|
|
|
385 sprintf (cptr, "%6.0fKB ", file_size);
|
|
|
386 }
|
|
|
387 else
|
|
|
388 sprintf (cptr, "%8.0f ", file_size);
|
|
|
389 while (*cptr)
|
|
|
390 ++cptr;
|
|
|
391 {
|
|
|
392 time_t t, now;
|
|
867
|
393 Ibyte *ctimebuf;
|
|
771
|
394
|
|
|
395 if (
|
|
|
396 #if 0
|
|
|
397 /*
|
|
|
398 * This doesn't work.
|
|
|
399 * This code should be correct ...
|
|
|
400 */
|
|
|
401 FileTimeToLocalFileTime (&file->ftLastWriteTime, &localtime) &&
|
|
|
402 ((t = mswindows_convert_time (localtime)) != 0) &&
|
|
|
403 #else
|
|
|
404 /*
|
|
|
405 * But this code "works" ...
|
|
|
406 */
|
|
|
407 ((t = mswindows_convert_time (file->ftLastWriteTime)) != 0) &&
|
|
|
408 #endif
|
|
|
409 ((ctimebuf = qxe_ctime (&t)) != NULL))
|
|
|
410 {
|
|
|
411 memcpy (cptr, &ctimebuf[4], 7);
|
|
|
412 now = time (NULL);
|
|
|
413 if (now - t > (365. / 2.0) * 86400.)
|
|
|
414 {
|
|
|
415 /* more than 6 months */
|
|
|
416 cptr[7] = ' ';
|
|
|
417 memcpy (&cptr[8], &ctimebuf[20], 4);
|
|
|
418 }
|
|
|
419 else
|
|
|
420 {
|
|
|
421 /* less than 6 months */
|
|
|
422 memcpy (&cptr[7], &ctimebuf[11], 5);
|
|
|
423 }
|
|
|
424 cptr += 12;
|
|
|
425 *cptr++ = ' ';
|
|
|
426 *cptr++ = '\0';
|
|
|
427 }
|
|
|
428 }
|
|
|
429 }
|
|
|
430
|
|
|
431 eicat_c (puta, buf);
|
|
|
432 eicat_raw (puta, file->cFileName, qxestrlen (file->cFileName));
|
|
|
433 if (add_newline)
|
|
|
434 eicat_c (puta, "\n");
|
|
|
435
|
|
|
436 return eimake_string (puta);
|
|
428
|
437 }
|
|
|
438
|
|
|
439
|
|
|
440 DEFUN ("mswindows-insert-directory", Fmswindows_insert_directory, 2, 4, 0, /*
|
|
|
441 Insert directory listing for FILE, formatted according to SWITCHES.
|
|
|
442 Leaves point after the inserted text.
|
|
|
443 SWITCHES may be a string of options, or a list of strings.
|
|
|
444 Optional third arg WILDCARD means treat FILE as shell wildcard.
|
|
|
445 Optional fourth arg FULL-DIRECTORY-P means file is a directory and
|
|
|
446 switches do not contain `d', so that a full listing is expected.
|
|
|
447 */
|
|
|
448 (file, switches, wildcard, full_directory_p))
|
|
|
449 {
|
|
771
|
450 Lisp_Object handler, wildpat = Qnil, basename = Qnil;
|
|
|
451 int nfiles = 0, i;
|
|
|
452 int hide_system = 1, hide_dot = 1, reverse = 0, display_size = 0;
|
|
|
453 Win32_file_dynarr *files;
|
|
|
454 enum mswindows_sortby sort_by =
|
|
|
455 (mswindows_ls_sort_case_insensitive ? MSWINDOWS_SORT_BY_NAME_NOCASE
|
|
|
456 : MSWINDOWS_SORT_BY_NAME);
|
|
|
457 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
458
|
|
|
459 GCPRO3 (file, wildpat, basename);
|
|
|
460
|
|
|
461 CHECK_STRING (file);
|
|
|
462 if (!NILP (wildpat))
|
|
|
463 CHECK_STRING (wildpat);
|
|
428
|
464
|
|
771
|
465 handler = Ffind_file_name_handler (file, Qmswindows_insert_directory);
|
|
|
466 if (!NILP (handler))
|
|
|
467 {
|
|
|
468 UNGCPRO;
|
|
|
469 return call5 (handler, Qmswindows_insert_directory, file, switches,
|
|
|
470 wildcard, full_directory_p);
|
|
|
471 }
|
|
|
472
|
|
|
473 if (!NILP (switches))
|
|
428
|
474 {
|
|
867
|
475 Ibyte *cptr, *cptr_end;
|
|
771
|
476
|
|
|
477 CHECK_STRING (switches);
|
|
|
478 cptr = XSTRING_DATA (switches);
|
|
|
479 cptr_end = cptr + XSTRING_LENGTH (switches);
|
|
|
480 while (cptr < cptr_end)
|
|
428
|
481 {
|
|
867
|
482 Ichar ch = itext_ichar (cptr);
|
|
771
|
483 switch (ch)
|
|
428
|
484 {
|
|
771
|
485 case 'A':
|
|
|
486 hide_dot = 0;
|
|
|
487 break;
|
|
|
488 case 'a':
|
|
|
489 hide_system = 0;
|
|
|
490 hide_dot = 0;
|
|
|
491 break;
|
|
|
492 case 'r':
|
|
|
493 reverse = 1;
|
|
|
494 break;
|
|
|
495 case 's':
|
|
|
496 display_size = 1;
|
|
|
497 break;
|
|
|
498 case 'S':
|
|
|
499 sort_by = MSWINDOWS_SORT_BY_SIZE;
|
|
|
500 break;
|
|
|
501 case 't':
|
|
|
502 sort_by = MSWINDOWS_SORT_BY_MOD_DATE;
|
|
428
|
503 break;
|
|
|
504 }
|
|
867
|
505 INC_IBYTEPTR (cptr);
|
|
428
|
506 }
|
|
771
|
507 }
|
|
|
508
|
|
|
509 if (!NILP (wildcard))
|
|
|
510 {
|
|
|
511 Lisp_Object newfile;
|
|
|
512
|
|
|
513 file = Fdirectory_file_name (file);
|
|
|
514 basename = Ffile_name_nondirectory (file);
|
|
|
515 wildpat = call1 (Qwildcard_to_regexp, basename);
|
|
|
516 newfile = Ffile_name_directory (file);
|
|
|
517 if (NILP (newfile))
|
|
|
518 newfile = Ffile_name_directory (Fexpand_file_name (file, Qnil));
|
|
|
519 file = newfile;
|
|
|
520 }
|
|
|
521
|
|
|
522 files = mswindows_get_files (file,
|
|
|
523 NILP (wildcard) && NILP (full_directory_p),
|
|
|
524 wildpat, hide_dot, hide_system);
|
|
|
525
|
|
|
526 if (Dynarr_length (files) > 1)
|
|
|
527 mswindows_sort_files (files, sort_by, reverse);
|
|
|
528 if (!NILP (wildcard) || !NILP (full_directory_p))
|
|
|
529 {
|
|
|
530 /*
|
|
|
531 * By using doubles, we can handle files up to 2^53 bytes in
|
|
|
532 * size (IEEE doubles have 53 bits of resolution). However,
|
|
|
533 * as we divide by 1024 (or 2^10), the total size is
|
|
|
534 * accurate up to 2^(53+10) --> 2^63 bytes.
|
|
|
535 *
|
|
|
536 * Hopefully, we won't have to handle these file sizes anytime
|
|
|
537 * soon.
|
|
|
538 */
|
|
|
539 double total_size, file_size, block_size;
|
|
428
|
540
|
|
771
|
541 if ((block_size = mswindows_ls_round_file_size) <= 0)
|
|
|
542 {
|
|
|
543 block_size = 0;
|
|
|
544 }
|
|
|
545 total_size = 0;
|
|
|
546 for (i = 0; i < Dynarr_length (files); ++i)
|
|
|
547 {
|
|
|
548 Win32_file *file = Dynarr_atp (files, i);
|
|
|
549 file_size =
|
|
|
550 file->nFileSizeHigh * (double)UINT_MAX +
|
|
|
551 file->nFileSizeLow;
|
|
|
552 if (block_size > 0)
|
|
428
|
553 {
|
|
771
|
554 /*
|
|
|
555 * Round file_size up to the next nearest block size.
|
|
|
556 */
|
|
428
|
557 file_size =
|
|
771
|
558 floor ((file_size + block_size - 1) / block_size)
|
|
|
559 * block_size;
|
|
428
|
560 }
|
|
771
|
561 /* Here, we round to the nearest 1K */
|
|
|
562 total_size += floor ((file_size + 512.) / 1024.);
|
|
428
|
563 }
|
|
771
|
564 {
|
|
800
|
565 write_fmt_string (wrap_buffer (current_buffer),
|
|
771
|
566 #if INDENT_LISTING
|
|
800
|
567 /* ANSI C compilers auto-concatenate adjacent
|
|
|
568 strings */
|
|
|
569 " "
|
|
771
|
570 #endif
|
|
800
|
571 "total %.0f\n", total_size);
|
|
771
|
572 }
|
|
428
|
573 }
|
|
771
|
574 for (i = 0; i < Dynarr_length (files); ++i)
|
|
428
|
575 {
|
|
771
|
576 struct gcpro ngcpro1;
|
|
|
577 Lisp_Object fmtfile =
|
|
|
578 mswindows_format_file (Dynarr_atp (files, i), display_size, TRUE);
|
|
|
579 NGCPRO1 (fmtfile);
|
|
|
580 buffer_insert1 (current_buffer, fmtfile);
|
|
|
581 NUNGCPRO;
|
|
428
|
582 }
|
|
771
|
583 for (i = 0; i < Dynarr_length (files); ++i)
|
|
|
584 {
|
|
|
585 Win32_file *file = Dynarr_atp (files, i);
|
|
1726
|
586 xfree (file->cFileName, Ibyte *);
|
|
771
|
587 }
|
|
|
588 Dynarr_free (files);
|
|
|
589
|
|
428
|
590 UNGCPRO;
|
|
771
|
591 return Qnil;
|
|
428
|
592 }
|
|
|
593
|
|
|
594
|
|
|
595
|
|
|
596 /************************************************************************/
|
|
|
597 /* initialization */
|
|
|
598 /************************************************************************/
|
|
|
599
|
|
|
600 void
|
|
|
601 syms_of_dired_mswindows (void)
|
|
|
602 {
|
|
563
|
603 DEFSYMBOL (Qmswindows_insert_directory);
|
|
771
|
604 DEFSYMBOL (Qwildcard_to_regexp);
|
|
428
|
605
|
|
|
606 DEFSUBR (Fmswindows_insert_directory);
|
|
|
607 }
|
|
|
608
|
|
|
609
|
|
|
610 void
|
|
|
611 vars_of_dired_mswindows (void)
|
|
|
612 {
|
|
771
|
613 DEFVAR_BOOL ("mswindows-ls-sort-case-insensitive",
|
|
|
614 &mswindows_ls_sort_case_insensitive /*
|
|
428
|
615 *Non-nil means filenames are sorted in a case-insensitive fashion.
|
|
|
616 Nil means filenames are sorted in a case-sensitive fashion, just like Unix.
|
|
|
617 */ );
|
|
|
618 mswindows_ls_sort_case_insensitive = 1;
|
|
|
619
|
|
|
620 DEFVAR_INT ("mswindows-ls-round-file-size", &mswindows_ls_round_file_size /*
|
|
|
621 *If non-zero, file sizes are rounded in terms of this block size when
|
|
|
622 the file totals are being calculated. This is useful for getting a more
|
|
|
623 accurate estimate of allocated disk space. Note that this only affects
|
|
|
624 the total size calculation; the individual displayed file sizes are not
|
|
|
625 changed. This block size should also be a power of 2 (but this is not
|
|
|
626 enforced), as filesystem block (cluster) sizes are typically powers-of-2.
|
|
|
627 */ );
|
|
|
628 /*
|
|
|
629 * Here, we choose 4096 because it's the cluster size for both FAT32
|
|
|
630 * and NTFS (?). This is probably much too small for people using
|
|
|
631 * plain FAT, but, hopefully, plain FAT will go away someday.
|
|
|
632 *
|
|
|
633 * We should allow something like a alist here, to make the size
|
|
|
634 * dependent on the drive letter, etc..
|
|
|
635 */
|
|
|
636 mswindows_ls_round_file_size = 4096;
|
|
|
637 }
|
