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 copy = 0; /* -copy */
86 int ignore_links = 0; /* -ignorelinks */
94 #define mymkdir(X, Y) mkdir(X)
96 #define mymkdir(X, Y) mkdir(X, Y)
101 #define BELIEVE_ST_NLINK
106 #if NeedVarargsPrototypes
107 int code, char * fmt, ...)
109 code, fmt, a1, a2, a3)
113 #if NeedVarargsPrototypes
116 vfprintf (stderr, fmt, args);
119 fprintf (stderr, fmt, a1, a2, a3);
135 #if NeedVarargsPrototypes
142 #if NeedVarargsPrototypes
146 fprintf (stderr, "%s:\n", curdir);
149 #if NeedVarargsPrototypes
151 vfprintf (stderr, fmt, args);
154 fprintf (stderr, fmt, a1, a2, a3);
164 fprintf (stderr, "%s:\n", curdir);
171 int copyfile(const char *oldpath, const char *newpath) {
180 return symlink(oldpath, newpath);
183 f_old = fopen(oldpath, "rb");
187 f_new = fopen(newpath, "wbx");
194 while ((s = fread(buf, 1, BUFSIZE, f_old)) > 0) {
195 if (fwrite(buf, 1, s, f_new) < s) {
210 if (fclose(f_new) == EOF) {
223 int equivalent(lname, rname)
229 if (!strcmp(lname, rname))
231 for (s = lname; *s && (s = strchr(s, '/')); s++) {
235 return !strcmp(lname, rname);
239 /* Recursively create symbolic links from the current directory to the "from"
240 directory. Assumes that files described by fs and ts are directories. */
242 dodir (fn, fs, ts, rel)
243 char *fn; /* name of "from" directory, either absolute or
245 struct stat *fs, *ts; /* stats for the "from" directory and cwd */
246 int rel; /* if true, prepend "../" to fn before using */
250 char buf[MAXPATHLEN + 1], *p;
251 char symbuf[MAXPATHLEN + 1];
252 char basesym[MAXPATHLEN + 1];
259 if ((fs->st_dev == ts->st_dev) &&
260 (fs->st_ino == ts->st_ino) &&
261 /* inode is always 0 on Windows; we don't want to fail in that case */
264 msg ("%s: From and to directories are identical!", fn);
274 if (!(df = opendir (buf))) {
275 msg ("%s: Cannot opendir", buf);
279 p = buf + strlen (buf);
281 n_dirs = fs->st_nlink;
282 while (dp = readdir (df)) {
283 if (dp->d_name[strlen(dp->d_name) - 1] == '~')
285 if (dp->d_name[0] == '.' && dp->d_name[1] == '#') /* 'non-conflict files' left behind by CVS */
287 strcpy (p, dp->d_name);
290 #ifdef BELIEVE_ST_NLINK
293 /* st_nlink is 1 on Windows, so we have to keep looking for
294 * directories forever */
298 if (stat (buf, &sb) < 0) {
304 if(S_ISDIR(sb.st_mode))
306 if (sb.st_mode & S_IFDIR)
310 #ifndef __CYGWIN32__ /* don't trust cygwin's n_dirs count */
313 if (dp->d_name[0] == '.' &&
314 (dp->d_name[1] == '\0' || (dp->d_name[1] == '.' &&
315 dp->d_name[2] == '\0')))
317 if (!strcmp (dp->d_name, "RCS"))
319 if (!strcmp (dp->d_name, "SCCS"))
321 if (!strcmp (dp->d_name, "CVS"))
323 if (!strcmp (dp->d_name, ".svn"))
325 if (!strcmp (dp->d_name, "_darcs"))
327 if (!strcmp (dp->d_name, "CVS.adm"))
331 curdir = silent ? buf : (char *)0;
333 printf ("%s:\n", buf);
334 if ((stat (dp->d_name, &sc) < 0) && (errno == ENOENT)) {
335 if (mymkdir (dp->d_name, 0777) < 0 ||
336 stat (dp->d_name, &sc) < 0) {
337 mperror (dp->d_name);
338 curdir = rcurdir = ocurdir;
343 if (readlink (dp->d_name, symbuf, sizeof(symbuf) - 1) >= 0) {
344 msg ("%s: is a link instead of a directory", dp->d_name);
345 curdir = rcurdir = ocurdir;
349 if (chdir (dp->d_name) < 0) {
350 mperror (dp->d_name);
351 curdir = rcurdir = ocurdir;
354 rel = (fn[0] != '/') && ((fn[0] == '\0') || (fn[1] != ':'));
355 dodir (buf, &sb, &sc, rel);
356 if (chdir ("..") < 0)
358 curdir = rcurdir = ocurdir;
365 symlen = readlink (dp->d_name, symbuf, sizeof(symbuf) - 1);
367 symbuf[symlen] = '\0';
369 /* The option to ignore links exists mostly because
370 checking for them slows us down by 10-20%.
371 But it is off by default because this really is a useful check. */
373 /* see if the file in the base tree was a symlink */
374 basesymlen = readlink(buf, basesym, sizeof(basesym) - 1);
376 basesym[basesymlen] = '\0';
381 if (!equivalent (basesymlen>=0 ? basesym : buf, symbuf)) {
384 if (copyfile (basesymlen>=0 ? basesym : buf, dp->d_name) < 0)
385 mperror (dp->d_name);
387 /* Link exists in new tree. Print message if it doesn't match. */
388 msg ("%s: %s", dp->d_name, symbuf);
392 if (copyfile (basesymlen>=0 ? basesym : buf, dp->d_name) < 0)
393 mperror (dp->d_name);
405 char *prog_name = av[0];
410 The lndir code assumes unix-style paths to work. cygwin
411 lets you get away with using dos'ish paths (e.g., "f:/oo")
412 in most contexts. Using them with 'lndir' will seriously
413 confuse the user though, so under-the-hood, we convert the
414 path into something POSIX-like.
416 static char fn[MAXPATHLEN+1];
422 if (strcmp(*av, "-silent") == 0)
424 else if (strcmp(*av, "-f") == 0)
426 else if (strcmp(*av, "-ignorelinks") == 0)
428 else if (strcmp(*av, "-copy") == 0)
430 else if (strcmp(*av, "--") == 0) {
437 if (ac < 1 || ac > 2)
438 quit (1, "usage: %s [-f] [-silent] [-ignorelinks] fromdir [todir]",
442 cygwin_conv_to_full_posix_path(av[0], fn);
453 if (stat (tn, &ts) < 0) {
454 if (force && (tn[0] != '.' || tn[1] != '\0') ) {
455 mymkdir(tn, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH );
460 if (!(S_ISDIR(ts.st_mode)))
462 if (!(ts.st_mode & S_IFDIR))
464 quit (2, "%s: Not a directory", tn);
471 if (stat (fn, &fs) < 0)
474 if (!(S_ISDIR(fs.st_mode)))
476 if (!(fs.st_mode & S_IFDIR))
478 quit (2, "%s: Not a directory", fn);
480 exit (dodir (fn, &fs, &ts, 0));