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Commit d90a4ecc authored by sof's avatar sof
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[project @ 1997-09-03 23:28:17 by sof] 

Upgraded to util shipped with X11R6.3
parent 2a231d01
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glafp-utils/lndir/lndir.c
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− 53
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/* $XConsortium: lndir.c,v 1.5 91/07/21 15:52:11 rws Exp $ */
/* $XConsortium: lndir.c /main/16 1996/09/28 16:16:40 rws $ */
/* Create shadow link tree (after X11R4 script of the same name)
Mark Reinhold (mbr@lcs.mit.edu)/3 January 1990 */
/* Copyright 1990, Massachusetts Institute of Technology
Permission to use, copy, modify, and distribute this program for any purpose
and without fee is hereby granted, provided that this copyright and
permission notice appear on all copies and supporting documentation, that
the name of MIT not be used in advertising or publicity pertaining to
distribution of this program without specific prior permission, and that
notice be given in supporting documentation that copying and distribution is
by permission of MIT. MIT makes no representations about the suitability of
this software for any purpose. It is provided "as is" without expressed or
implied warranty.
/*
Copyright (c) 1990, X Consortium
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of the X Consortium shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from the X Consortium.
*/
/* From the original /bin/sh script:
Used to create a copy of the a directory tree that has links for all
non-directories (except those named RCS or SCCS). If you are
building the distribution on more than one machine, you should use
this script.
Used to create a copy of the a directory tree that has links for all
non-directories (except those named RCS, SCCS or CVS.adm). If you are
building the distribution on more than one machine, you should use
this technique.
If your master sources are located in /usr/local/src/X and you would like
your link tree to be in /usr/local/src/new-X, do the following:
If your master sources are located in /usr/local/src/X and you would like
your link tree to be in /usr/local/src/new-X, do the following:
% mkdir /usr/local/src/new-X
% cd /usr/local/src/new-X
......@@ -52,43 +65,109 @@
#endif
#endif
#endif
#ifndef MAXPATHLEN
#define MAXPATHLEN 2048
#endif
#if NeedVarargsPrototypes
#include <stdarg.h>
#endif
#ifdef X_NOT_STDC_ENV
extern int errno;
int silent;
#endif
int silent = 0; /* -silent */
int ignore_links = 0; /* -ignorelinks */
char *rcurdir;
char *curdir;
void
quit (code, fmt, a1, a2, a3)
char *fmt;
int code, a1, a2, a3; /* partain */
quit (
#if NeedVarargsPrototypes
int code, char * fmt, ...)
#else
code, fmt, a1, a2, a3)
char *fmt;
#endif
{
#if NeedVarargsPrototypes
va_list args;
va_start(args, fmt);
vfprintf (stderr, fmt, args);
va_end(args);
#else
fprintf (stderr, fmt, a1, a2, a3);
#endif
putc ('\n', stderr);
exit (code);
}
void
quiterr (code, s)
char *s;
int code; /* partain */
char *s;
{
perror (s);
exit (code);
}
void
msg (fmt, a1, a2, a3)
char *fmt;
int a1, a2, a3; /* partain */
msg (
#if NeedVarargsPrototypes
char * fmt, ...)
#else
fmt, a1, a2, a3)
char *fmt;
#endif
{
#if NeedVarargsPrototypes
va_list args;
#endif
if (curdir) {
fprintf (stderr, "%s:\n", curdir);
curdir = 0;
}
#if NeedVarargsPrototypes
va_start(args, fmt);
vfprintf (stderr, fmt, args);
va_end(args);
#else
fprintf (stderr, fmt, a1, a2, a3);
#endif
putc ('\n', stderr);
}
void
mperror (s)
char *s;
{
if (curdir) {
fprintf (stderr, "%s:\n", curdir);
curdir = 0;
}
perror (s);
}
int equivalent(lname, rname)
char *lname;
char *rname;
{
char *s;
if (!strcmp(lname, rname))
return 1;
for (s = lname; *s && (s = strchr(s, '/')); s++) {
while (s[1] == '/')
strcpy(s+1, s+2);
}
return !strcmp(lname, rname);
}
/* Recursively create symbolic links from the current directory to the "from"
directory. Assumes that files described by fs and ts are directories. */
int
dodir (fn, fs, ts, rel)
char *fn; /* name of "from" directory, either absolute or
relative to cwd */
......@@ -99,8 +178,12 @@ int rel; /* if true, prepend "../" to fn before using */
struct dirent *dp;
char buf[MAXPATHLEN + 1], *p;
char symbuf[MAXPATHLEN + 1];
char basesym[MAXPATHLEN + 1];
struct stat sb, sc;
int n_dirs;
int symlen;
int basesymlen = -1;
char *ocurdir;
if ((fs->st_dev == ts->st_dev) && (fs->st_ino == ts->st_ino)) {
msg ("%s: From and to directories are identical!", fn);
......@@ -122,61 +205,89 @@ int rel; /* if true, prepend "../" to fn before using */
*p++ = '/';
n_dirs = fs->st_nlink;
while (dp = readdir (df)) {
if (dp->d_name[strlen(dp->d_name) - 1] == '~')
continue;
strcpy (p, dp->d_name);
if (n_dirs > 0) {
if (stat (buf, &sb) < 0) {
perror (buf);
mperror (buf);
continue;
}
if (sb.st_mode & S_IFDIR) {
#ifdef S_ISDIR
if(S_ISDIR(sb.st_mode))
#else
if (sb.st_mode & S_IFDIR)
#endif
{
/* directory */
n_dirs--;
if (dp->d_name[0] == '.' &&
(dp->d_name[1] == '\0' || (dp->d_name[1] == '.' &&
dp->d_name[2] == '\0')))
continue;
if (!strcmp (dp->d_name, "CVS")) /* partain */
continue;
if (!strcmp (dp->d_name, "RCS"))
continue;
if (!strcmp (dp->d_name, "SCCS"))
continue;
if (!strcmp (dp->d_name, "CVS"))
continue;
if (!strcmp (dp->d_name, "CVS.adm"))
continue;
ocurdir = rcurdir;
rcurdir = buf;
curdir = silent ? buf : (char *)0;
if (!silent)
printf ("%s:\n", buf);
if ((stat (dp->d_name, &sc) < 0) && (errno == ENOENT)) {
if (mkdir (dp->d_name, 0777) < 0 ||
stat (dp->d_name, &sc) < 0) {
perror (dp->d_name);
mperror (dp->d_name);
curdir = rcurdir = ocurdir;
continue;
}
}
if (readlink (dp->d_name, symbuf, sizeof(symbuf) - 1) >= 0) {
msg ("%s: is a link instead of a directory\n", dp->d_name);
msg ("%s: is a link instead of a directory", dp->d_name);
curdir = rcurdir = ocurdir;
continue;
}
if (chdir (dp->d_name) < 0) {
perror (dp->d_name);
mperror (dp->d_name);
curdir = rcurdir = ocurdir;
continue;
}
dodir (buf, &sb, &sc, (buf[0] != '/'));
if (chdir ("..") < 0)
quiterr (1, "..");
curdir = rcurdir = ocurdir;
continue;
}
}
/* non-directory */
if (symlink (buf, dp->d_name) < 0) {
int saverrno = errno;
int symlen;
symlen = readlink(dp->d_name, symbuf, sizeof(symbuf) - 1);
errno = saverrno;
if (symlen > 0)
symbuf[symlen] = '\0';
if (symlen < 0 || strcmp(symbuf, buf))
perror (dp->d_name);
symlen = readlink (dp->d_name, symbuf, sizeof(symbuf) - 1);
if (symlen >= 0)
symbuf[symlen] = '\0';
/* The option to ignore links exists mostly because
checking for them slows us down by 10-20%.
But it is off by default because this really is a useful check. */
if (!ignore_links) {
/* see if the file in the base tree was a symlink */
basesymlen = readlink(buf, basesym, sizeof(basesym) - 1);
if (basesymlen >= 0)
basesym[basesymlen] = '\0';
}
if (symlen >= 0) {
/* Link exists in new tree. Print message if it doesn't match. */
if (!equivalent (basesymlen>=0 ? basesym : buf, symbuf))
msg ("%s: %s", dp->d_name, symbuf);
} else {
if (symlink (basesymlen>=0 ? basesym : buf, dp->d_name) < 0)
mperror (dp->d_name);
}
}
......@@ -184,31 +295,46 @@ int rel; /* if true, prepend "../" to fn before using */
return 0;
}
void
main (ac, av)
int ac;
char **av;
{
char *prog_name = av[0];
char *fn, *tn;
struct stat fs, ts;
silent = 0;
if (ac > 1 && !strcmp(av[1], "-silent")) {
silent = 1;
while (++av, --ac) {
if (strcmp(*av, "-silent") == 0)
silent = 1;
else if (strcmp(*av, "-ignorelinks") == 0)
ignore_links = 1;
else if (strcmp(*av, "--") == 0) {
++av, --ac;
break;
}
else
break;
}
if (ac < silent + 2 || ac > silent + 3)
quit (1, "usage: %s [-silent] fromdir [todir]", av[0]);
fn = av[silent + 1];
if (ac == silent + 3)
tn = av[silent + 2];
if (ac < 1 || ac > 2)
quit (1, "usage: %s [-silent] [-ignorelinks] fromdir [todir]",
prog_name);
fn = av[0];
if (ac == 2)
tn = av[1];
else
tn = ".";
/* to directory */
if (stat (tn, &ts) < 0)
quiterr (1, tn);
#ifdef S_ISDIR
if (!(S_ISDIR(ts.st_mode)))
#else
if (!(ts.st_mode & S_IFDIR))
#endif
quit (2, "%s: Not a directory", tn);
if (chdir (tn) < 0)
quiterr (1, tn);
......@@ -216,7 +342,11 @@ char **av;
/* from directory */
if (stat (fn, &fs) < 0)
quiterr (1, fn);
#ifdef S_ISDIR
if (!(S_ISDIR(fs.st_mode)))
#else
if (!(fs.st_mode & S_IFDIR))
#endif
quit (2, "%s: Not a directory", fn);
exit (dodir (fn, &fs, &ts, 0));
......
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