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"
49 #include <sys/param.h>
69 #define MAXPATHLEN 2048
72 #if NeedVarargsPrototypes
79 int silent = 0; /* -silent */
80 int ignore_links = 0; /* -ignorelinks */
89 #if NeedVarargsPrototypes
90 int code, char * fmt, ...)
92 code, fmt, a1, a2, a3)
96 #if NeedVarargsPrototypes
99 vfprintf (stderr, fmt, args);
102 fprintf (stderr, fmt, a1, a2, a3);
118 #if NeedVarargsPrototypes
125 #if NeedVarargsPrototypes
129 fprintf (stderr, "%s:\n", curdir);
132 #if NeedVarargsPrototypes
134 vfprintf (stderr, fmt, args);
137 fprintf (stderr, fmt, a1, a2, a3);
147 fprintf (stderr, "%s:\n", curdir);
154 int equivalent(lname, rname)
160 if (!strcmp(lname, rname))
162 for (s = lname; *s && (s = strchr(s, '/')); s++) {
166 return !strcmp(lname, rname);
170 /* Recursively create symbolic links from the current directory to the "from"
171 directory. Assumes that files described by fs and ts are directories. */
173 dodir (fn, fs, ts, rel)
174 char *fn; /* name of "from" directory, either absolute or
176 struct stat *fs, *ts; /* stats for the "from" directory and cwd */
177 int rel; /* if true, prepend "../" to fn before using */
181 char buf[MAXPATHLEN + 1], *p;
182 char symbuf[MAXPATHLEN + 1];
183 char basesym[MAXPATHLEN + 1];
190 if ((fs->st_dev == ts->st_dev) && (fs->st_ino == ts->st_ino)) {
191 msg ("%s: From and to directories are identical!", fn);
201 if (!(df = opendir (buf))) {
202 msg ("%s: Cannot opendir", buf);
206 p = buf + strlen (buf);
208 n_dirs = fs->st_nlink;
209 while (dp = readdir (df)) {
210 if (dp->d_name[strlen(dp->d_name) - 1] == '~')
212 if (dp->d_name[0] == '.' && dp->d_name[1] == '#') /* 'non-conflict files' left behind by CVS */
214 strcpy (p, dp->d_name);
217 if (stat (buf, &sb) < 0) {
223 if(S_ISDIR(sb.st_mode))
225 if (sb.st_mode & S_IFDIR)
230 if (dp->d_name[0] == '.' &&
231 (dp->d_name[1] == '\0' || (dp->d_name[1] == '.' &&
232 dp->d_name[2] == '\0')))
234 if (!strcmp (dp->d_name, "RCS"))
236 if (!strcmp (dp->d_name, "SCCS"))
238 if (!strcmp (dp->d_name, "CVS"))
240 if (!strcmp (dp->d_name, "CVS.adm"))
244 curdir = silent ? buf : (char *)0;
246 printf ("%s:\n", buf);
247 if ((stat (dp->d_name, &sc) < 0) && (errno == ENOENT)) {
248 if (mkdir (dp->d_name, 0777) < 0 ||
249 stat (dp->d_name, &sc) < 0) {
250 mperror (dp->d_name);
251 curdir = rcurdir = ocurdir;
255 if (readlink (dp->d_name, symbuf, sizeof(symbuf) - 1) >= 0) {
256 msg ("%s: is a link instead of a directory", dp->d_name);
257 curdir = rcurdir = ocurdir;
260 if (chdir (dp->d_name) < 0) {
261 mperror (dp->d_name);
262 curdir = rcurdir = ocurdir;
265 dodir (buf, &sb, &sc, (buf[0] != '/'));
266 if (chdir ("..") < 0)
268 curdir = rcurdir = ocurdir;
274 symlen = readlink (dp->d_name, symbuf, sizeof(symbuf) - 1);
276 symbuf[symlen] = '\0';
278 /* The option to ignore links exists mostly because
279 checking for them slows us down by 10-20%.
280 But it is off by default because this really is a useful check. */
282 /* see if the file in the base tree was a symlink */
283 basesymlen = readlink(buf, basesym, sizeof(basesym) - 1);
285 basesym[basesymlen] = '\0';
289 if (!equivalent (basesymlen>=0 ? basesym : buf, symbuf)) {
292 if (symlink (basesymlen>=0 ? basesym : buf, dp->d_name) < 0)
293 mperror (dp->d_name);
295 /* Link exists in new tree. Print message if it doesn't match. */
296 msg ("%s: %s", dp->d_name, symbuf);
300 if (symlink (basesymlen>=0 ? basesym : buf, dp->d_name) < 0)
301 mperror (dp->d_name);
314 char *prog_name = av[0];
319 if (strcmp(*av, "-silent") == 0)
321 if (strcmp(*av, "-f") == 0)
323 else if (strcmp(*av, "-ignorelinks") == 0)
325 else if (strcmp(*av, "--") == 0) {
333 if (ac < 1 || ac > 2)
334 quit (1, "usage: %s [-f] [-silent] [-ignorelinks] fromdir [todir]",
344 if (stat (tn, &ts) < 0) {
345 if (force && (tn[0] != '.' || tn[1] != '\0') ) {
346 mkdir(tn, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH );
351 if (!(S_ISDIR(ts.st_mode)))
353 if (!(ts.st_mode & S_IFDIR))
355 quit (2, "%s: Not a directory", tn);
362 if (stat (fn, &fs) < 0)
365 if (!(S_ISDIR(fs.st_mode)))
367 if (!(fs.st_mode & S_IFDIR))
369 quit (2, "%s: Not a directory", fn);
371 exit (dodir (fn, &fs, &ts, 0));