1 /* $XConsortium: lndir.c /main/16 1996/09/28 16:16:40 rws $ */
2 /* Create shadow link tree (after X11R4 script of the same name)
3 Mark Reinhold (mbr@lcs.mit.edu)/3 January 1990 */
6 Copyright (c) 1990, X Consortium
8 Permission is hereby granted, free of charge, to any person obtaining a copy
9 of this software and associated documentation files (the "Software"), to deal
10 in the Software without restriction, including without limitation the rights
11 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 copies of the Software, and to permit persons to whom the Software is
13 furnished to do so, subject to the following conditions:
15 The above copyright notice and this permission notice shall be included in
16 all copies or substantial portions of the Software.
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 Except as contained in this notice, the name of the X Consortium shall not be
26 used in advertising or otherwise to promote the sale, use or other dealings
27 in this Software without prior written authorization from the X Consortium.
31 /* From the original /bin/sh script:
33 Used to create a copy of the a directory tree that has links for all
34 non-directories (except those named RCS, SCCS or CVS.adm). If you are
35 building the distribution on more than one machine, you should use
38 If your master sources are located in /usr/local/src/X and you would like
39 your link tree to be in /usr/local/src/new-X, do the following:
41 % mkdir /usr/local/src/new-X
42 % cd /usr/local/src/new-X
46 #include "lndir-Xos.h"
50 #include <sys/param.h>
70 #define MAXPATHLEN 2048
74 #include <sys/cygwin.h>
77 #if NeedVarargsPrototypes
84 int silent = 0; /* -silent */
85 int ignore_links = 0; /* -ignorelinks */
94 #if NeedVarargsPrototypes
95 int code, char * fmt, ...)
97 code, fmt, a1, a2, a3)
101 #if NeedVarargsPrototypes
104 vfprintf (stderr, fmt, args);
107 fprintf (stderr, fmt, a1, a2, a3);
123 #if NeedVarargsPrototypes
130 #if NeedVarargsPrototypes
134 fprintf (stderr, "%s:\n", curdir);
137 #if NeedVarargsPrototypes
139 vfprintf (stderr, fmt, args);
142 fprintf (stderr, fmt, a1, a2, a3);
152 fprintf (stderr, "%s:\n", curdir);
159 int equivalent(lname, rname)
165 if (!strcmp(lname, rname))
167 for (s = lname; *s && (s = strchr(s, '/')); s++) {
171 return !strcmp(lname, rname);
175 /* Recursively create symbolic links from the current directory to the "from"
176 directory. Assumes that files described by fs and ts are directories. */
178 dodir (fn, fs, ts, rel)
179 char *fn; /* name of "from" directory, either absolute or
181 struct stat *fs, *ts; /* stats for the "from" directory and cwd */
182 int rel; /* if true, prepend "../" to fn before using */
186 char buf[MAXPATHLEN + 1], *p;
187 char symbuf[MAXPATHLEN + 1];
188 char basesym[MAXPATHLEN + 1];
195 if ((fs->st_dev == ts->st_dev) && (fs->st_ino == ts->st_ino)) {
196 msg ("%s: From and to directories are identical!", fn);
206 if (!(df = opendir (buf))) {
207 msg ("%s: Cannot opendir", buf);
211 p = buf + strlen (buf);
213 n_dirs = fs->st_nlink;
214 while (dp = readdir (df)) {
215 if (dp->d_name[strlen(dp->d_name) - 1] == '~')
217 if (dp->d_name[0] == '.' && dp->d_name[1] == '#') /* 'non-conflict files' left behind by CVS */
219 strcpy (p, dp->d_name);
222 if (stat (buf, &sb) < 0) {
228 if(S_ISDIR(sb.st_mode))
230 if (sb.st_mode & S_IFDIR)
234 #ifndef __CYGWIN32__ /* don't trust cygwin's n_dirs count */
237 if (dp->d_name[0] == '.' &&
238 (dp->d_name[1] == '\0' || (dp->d_name[1] == '.' &&
239 dp->d_name[2] == '\0')))
241 if (!strcmp (dp->d_name, "RCS"))
243 if (!strcmp (dp->d_name, "SCCS"))
245 if (!strcmp (dp->d_name, "CVS"))
247 if (!strcmp (dp->d_name, ".svn"))
249 if (!strcmp (dp->d_name, "_darcs"))
251 if (!strcmp (dp->d_name, "CVS.adm"))
255 curdir = silent ? buf : (char *)0;
257 printf ("%s:\n", buf);
258 if ((stat (dp->d_name, &sc) < 0) && (errno == ENOENT)) {
259 if (mkdir (dp->d_name, 0777) < 0 ||
260 stat (dp->d_name, &sc) < 0) {
261 mperror (dp->d_name);
262 curdir = rcurdir = ocurdir;
266 if (readlink (dp->d_name, symbuf, sizeof(symbuf) - 1) >= 0) {
267 msg ("%s: is a link instead of a directory", dp->d_name);
268 curdir = rcurdir = ocurdir;
271 if (chdir (dp->d_name) < 0) {
272 mperror (dp->d_name);
273 curdir = rcurdir = ocurdir;
276 dodir (buf, &sb, &sc, (buf[0] != '/'));
277 if (chdir ("..") < 0)
279 curdir = rcurdir = ocurdir;
285 symlen = readlink (dp->d_name, symbuf, sizeof(symbuf) - 1);
287 symbuf[symlen] = '\0';
289 /* The option to ignore links exists mostly because
290 checking for them slows us down by 10-20%.
291 But it is off by default because this really is a useful check. */
293 /* see if the file in the base tree was a symlink */
294 basesymlen = readlink(buf, basesym, sizeof(basesym) - 1);
296 basesym[basesymlen] = '\0';
300 if (!equivalent (basesymlen>=0 ? basesym : buf, symbuf)) {
303 if (symlink (basesymlen>=0 ? basesym : buf, dp->d_name) < 0)
304 mperror (dp->d_name);
306 /* Link exists in new tree. Print message if it doesn't match. */
307 msg ("%s: %s", dp->d_name, symbuf);
311 if (symlink (basesymlen>=0 ? basesym : buf, dp->d_name) < 0)
312 mperror (dp->d_name);
325 char *prog_name = av[0];
330 The lndir code assumes unix-style paths to work. cygwin
331 lets you get away with using dos'ish paths (e.g., "f:/oo")
332 in most contexts. Using them with 'lndir' will seriously
333 confuse the user though, so under-the-hood, we convert the
334 path into something POSIX-like.
336 static char fn[MAXPATHLEN+1];
342 if (strcmp(*av, "-silent") == 0)
344 else if (strcmp(*av, "-f") == 0)
346 else if (strcmp(*av, "-ignorelinks") == 0)
348 else if (strcmp(*av, "--") == 0) {
355 if (ac < 1 || ac > 2)
356 quit (1, "usage: %s [-f] [-silent] [-ignorelinks] fromdir [todir]",
360 cygwin_conv_to_full_posix_path(av[0], fn);
371 if (stat (tn, &ts) < 0) {
372 if (force && (tn[0] != '.' || tn[1] != '\0') ) {
373 mkdir(tn, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH );
378 if (!(S_ISDIR(ts.st_mode)))
380 if (!(ts.st_mode & S_IFDIR))
382 quit (2, "%s: Not a directory", tn);
389 if (stat (fn, &fs) < 0)
392 if (!(S_ISDIR(fs.st_mode)))
394 if (!(fs.st_mode & S_IFDIR))
396 quit (2, "%s: Not a directory", fn);
398 exit (dodir (fn, &fs, &ts, 0));