annotate src/dump-data.c @ 4647:e4ed58cb0e5b

Fix bugs with #'find-file, 0-length files, & coding-system-for-read specified. src/ChangeLog addition: 2009-07-11 Aidan Kehoe <kehoea@parhasard.net> * file-coding.c (undecided_canonicalize_after_coding): If no data have been seen, or if coding_stream_canonicalize_after_coding gives nil, pass back str->codesys, which will be of type undecided (the same as the old behaviour) but will reflect any CODESYS argument passed to make_coding_input_stream. See also the change in lisp/code-files.el lisp/ChangeLog addition: 2009-07-11 Aidan Kehoe <kehoea@parhasard.net> * code-files.el (insert-file-contents): Take advantage of more sensible behaviour from #'insert-file-contents-internal, allowing us to actually follow the documented coding system behaviour for nonexistent files (that is, buffer-file-coding-system reflects coding-system-for-read &c., not becoming undecided for either zero-length or nonexistent files). tests/ChangeLog addition: 2009-07-11 Aidan Kehoe <kehoea@parhasard.net> * automated/mule-tests.el: Check for Richard Zidlicky's bug of http://mid.gmane.org/20090602194123.GA5163@linux-m68k.org; also check that supplying CODESYS to #'find-file is respected both for nonexistent files and zero-length existing files.
author Aidan Kehoe <kehoea@parhasard.net>
date Sat, 11 Jul 2009 16:33:35 +0100
parents ecf1ebac70d8
children 308d34e9f07d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2015
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
1 /* Static array to put the dumped data in and its management
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
2 Copyright (C) 2003 Olivier Galibert
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
3
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
4 This file is part of XEmacs.
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
5
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
6 XEmacs is free software; you can redistribute it and/or modify it
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
7 under the terms of the GNU General Public License as published by the
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
8 Free Software Foundation; either version 2, or (at your option) any
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
9 later version.
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
10
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
14 for more details.
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
15
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
16 You should have received a copy of the GNU General Public License
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
17 along with XEmacs; see the file COPYING. If not, write to
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
19 Boston, MA 02111-1307, USA. */
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
20
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
21 /* Synched up with: Not in FSF. */
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
22
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
23 /* Mule-ized? Mwahahahahahaha */
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
24
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
25 /* Magic values by Larry McVoy to prevent every known compiler, including
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
26 an especially perverse HP-UX one, from putting the array in BSS.
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
27 */
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
28
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
29
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
30 #include <config.h>
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
31 #include "lisp.h"
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
32 #include "dump-data.h"
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
33
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
34 /* 4 bytes for the data size, 4096 for alignment */
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
35
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
36 static Rawbyte dumped_data[MAX_SIZE+4096+4] = {
2015
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
37 255,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
38 6,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
39 1,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
40 2,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
41 3,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
42 4,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
43 255,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
44 3,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
45 9,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
46 62,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
47 255,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
48 10,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
49 4,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
50 61,
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
51 255
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
52 };
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
53
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
54 size_t
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
55 dumped_data_size (void)
2015
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
56 {
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
57 return dumped_data[0] | (dumped_data[1] << 8) | (dumped_data[2] << 16) |
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
58 (dumped_data[3] << 24);
2015
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
59 }
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
60
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
61 size_t
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
62 dumped_data_max_size (void)
2015
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
63 {
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
64 return MAX_SIZE;
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
65 }
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
66
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
67 size_t
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
68 dumped_data_align_offset (void)
2015
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
69 {
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
70 EMACS_INT iptr = (EMACS_INT) dumped_data;
2015
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
71 EMACS_INT iptr2;
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
72 iptr2 = (iptr + 4 + 4095) & ~(EMACS_INT) 4095;
2015
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
73
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
74 return iptr2 - iptr;
2015
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
75 }
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
76
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
77 Rawbyte *
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
78 dumped_data_get (void)
2015
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
79 {
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
80 EMACS_INT iptr = (EMACS_INT) dumped_data;
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
81 iptr = (iptr + 4 + 4095) & ~(EMACS_INT) 4095;
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2035
diff changeset
82 return (Rawbyte *) iptr;
2015
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
83 }
2364237fbc0f [xemacs-hg @ 2004-04-15 20:56:17 by olivierg]
olivierg
parents:
diff changeset
84