annotate lib-src/make-path.c @ 4792:95b04754ea8c

Make #'equalp more compatible with CL; add a compiler macro, test & doc it. lisp/ChangeLog addition: 2009-11-08 Aidan Kehoe <kehoea@parhasard.net> * cl-extra.el (cl-string-vector-equalp) (cl-bit-vector-vector-equalp, cl-vector-array-equalp) (cl-hash-table-contents-equalp): New functions, to implement equalp treating arrays with identical contents as equivalent, as specified by Common Lisp. (equalp): Revise this function to implement array equivalence, and the hash-table equalp behaviour specified by CL. * cl-macs.el (equalp): Add a compiler macro for this function, used when one of the arguments is constant, and as such, its type is known at compile time. man/ChangeLog addition: 2009-11-08 Aidan Kehoe <kehoea@parhasard.net> * lispref/objects.texi (Equality Predicates): Document #'equalp here, as well as #'equal and #'eq. tests/ChangeLog addition: 2009-12-31 Aidan Kehoe <kehoea@parhasard.net> * automated/lisp-tests.el: Test much of the functionality of equalp; add a pointer to Paul Dietz' ANSI test suite for this function, converted to Emacs Lisp. Not including the tests themselves in XEmacs because who owns the copyright on the files is unclear and the GCL people didn't respond to my queries.
author Aidan Kehoe <kehoea@parhasard.net>
date Thu, 31 Dec 2009 15:09:41 +0000
parents 023b83f4e54b
children ed624ab64583
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1 /* Make all the directories along a path.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2 Copyright (C) 1992 Free Software Foundation, Inc.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3
613
023b83f4e54b [xemacs-hg @ 2001-06-10 10:42:16 by ben]
ben
parents: 438
diff changeset
4 This file is part of XEmacs.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
5
613
023b83f4e54b [xemacs-hg @ 2001-06-10 10:42:16 by ben]
ben
parents: 438
diff changeset
6 XEmacs is free software; you can redistribute it and/or modify
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
7 it under the terms of the GNU General Public License as published by
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
8 the Free Software Foundation; either version 2, or (at your option)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
9 any later version.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
10
613
023b83f4e54b [xemacs-hg @ 2001-06-10 10:42:16 by ben]
ben
parents: 438
diff changeset
11 XEmacs is distributed in the hope that it will be useful,
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
14 GNU General Public License for more details.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
15
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
16 You should have received a copy of the GNU General Public License
613
023b83f4e54b [xemacs-hg @ 2001-06-10 10:42:16 by ben]
ben
parents: 438
diff changeset
17 along with XEmacs; see the file COPYING. If not, write to
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
18 the Free the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
19 Boston, MA 02111-1307, USA. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
20
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
21 /* Synched up with: FSF 19.28. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
22
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
23 /* This program works like mkdir, except that it generates
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
24 intermediate directories if they don't exist. This is just like
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
25 the `mkdir -p' command on most systems; unfortunately, the mkdir
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
26 command on some of the purer BSD systems (like Mt. Xinu) don't have
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
27 that option. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
28
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
29 #ifdef emacs
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 428
diff changeset
30 #include <config.h>
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
31 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
32
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
33 #include <sys/types.h>
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
34 #include <sys/stat.h>
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
35 #include <stdio.h>
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
36 #include <errno.h>
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
37
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
38 char *prog_name;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
39
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
40 static int touchy_mkdir (char *path)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
41 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
42 struct stat buf;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
43
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
44 /* If PATH already exists and is a directory, return success. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
45 if (stat (path, &buf) >= 0
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
46 && (buf.st_mode & S_IFMT) == S_IFDIR)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
47 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
48
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
49 /* Otherwise, try to make it. If PATH exists but isn't a directory,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
50 this will signal an error. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
51 if (mkdir (path, 0777) < 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
52 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
53 fprintf (stderr, "%s: ", prog_name);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
54 perror (path);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
55 return 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
56 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
57
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
58 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
59 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
60
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
61 int
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
62 main (int argc, char *argv[])
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
63 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
64 prog_name = *argv;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
65
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
66 for (argc--, argv++; argc > 0; argc--, argv++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
67 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
68 char *path = *argv;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
69 int i;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
70
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
71 /* Stop at each slash in path and try to create the directory.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
72 Skip any initial slash. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
73 for (i = (path[0] == '/') ? 1 : 0; path[i]; i++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
74 if (path[i] == '/')
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
75 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
76 path[i] = '\0';
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
77 if (touchy_mkdir (path) < 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
78 goto next_pathname;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
79 path[i] = '/';
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
80 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
81
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
82 touchy_mkdir (path);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
83
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
84 next_pathname:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
85 ;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
86 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
87
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
88 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
89 }