+++ /dev/null
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
- * Reserved. This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.1 (the "License"). You may not use this file
- * except in compliance with the License. Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/* $OpenBSD: fsmagic.c,v 1.3 1997/02/09 23:58:24 millert Exp $ */
-
-/*
- * fsmagic - magic based on filesystem info - directory, special files, etc.
- *
- * Copyright (c) Ian F. Darwin, 1987.
- * Written by Ian F. Darwin.
- *
- * This software is not subject to any license of the American Telephone
- * and Telegraph Company or of the Regents of the University of California.
- *
- * Permission is granted to anyone to use this software for any purpose on
- * any computer system, and to alter it and redistribute it freely, subject
- * to the following restrictions:
- *
- * 1. The author is not responsible for the consequences of use of this
- * software, no matter how awful, even if they arise from flaws in it.
- *
- * 2. The origin of this software must not be misrepresented, either by
- * explicit claim or by omission. Since few users ever read sources,
- * credits must appear in the documentation.
- *
- * 3. Altered versions must be plainly marked as such, and must not be
- * misrepresented as being the original software. Since few users
- * ever read sources, credits must appear in the documentation.
- *
- * 4. This notice may not be removed or altered.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <stdlib.h>
-#ifndef major
-# if defined(__SVR4) || defined(_SVR4_SOURCE)
-# include <sys/mkdev.h>
-# endif
-#endif
-#ifndef major /* if `major' not defined in types.h, */
-#include <sys/sysmacros.h> /* try this one. */
-#endif
-#ifndef major /* still not defined? give up, manual intervention needed */
- /* If cc tries to compile this, read and act on it. */
- /* On most systems cpp will discard it automatically */
- Congratulations, you have found a portability bug.
- Please grep /usr/include/sys and edit the above #include
- to point at the file that defines the "major" macro.
-#endif /*major*/
-
-#include "file.h"
-
-#ifndef lint
-#if 0
-static char *moduleid = "$OpenBSD: fsmagic.c,v 1.3 1997/02/09 23:58:24 millert Exp $";
-#endif
-#endif /* lint */
-
-int
-fsmagic(fn, sb)
-const char *fn;
-struct stat *sb;
-{
- int ret = 0;
-
- /*
- * Fstat is cheaper but fails for files you don't have read perms on.
- * On 4.2BSD and similar systems, use lstat() to identify symlinks.
- */
-#ifdef S_IFLNK
- if (!lflag)
- ret = lstat(fn, sb);
- else
-#endif
- ret = stat(fn, sb); /* don't merge into if; see "ret =" above */
-
- if (ret) {
- ckfprintf(stdout,
- /* Yes, I do mean stdout. */
- /* No \n, caller will provide. */
- "can't stat `%s' (%s).", fn, strerror(errno));
- return 1;
- }
-
- if (sb->st_mode & S_ISUID) ckfputs("setuid ", stdout);
- if (sb->st_mode & S_ISGID) ckfputs("setgid ", stdout);
- if (sb->st_mode & S_ISVTX) ckfputs("sticky ", stdout);
-
- switch (sb->st_mode & S_IFMT) {
- case S_IFDIR:
- ckfputs("directory", stdout);
- return 1;
- case S_IFCHR:
- (void) printf("character special (%ld/%ld)",
- (long) major(sb->st_rdev), (long) minor(sb->st_rdev));
- return 1;
- case S_IFBLK:
- (void) printf("block special (%ld/%ld)",
- (long) major(sb->st_rdev), (long) minor(sb->st_rdev));
- return 1;
- /* TODO add code to handle V7 MUX and Blit MUX files */
-#ifdef S_IFIFO
- case S_IFIFO:
- ckfputs("fifo (named pipe)", stdout);
- return 1;
-#endif
-#ifdef S_IFLNK
- case S_IFLNK:
- {
- char buf[BUFSIZ+4];
- register int nch;
- struct stat tstatbuf;
-
- if ((nch = readlink(fn, buf, BUFSIZ-1)) <= 0) {
- ckfprintf(stdout, "unreadable symlink (%s).",
- strerror(errno));
- return 1;
- }
- buf[nch] = '\0'; /* readlink(2) forgets this */
-
- /* If broken symlink, say so and quit early. */
- if (*buf == '/') {
- if (stat(buf, &tstatbuf) < 0) {
- ckfprintf(stdout,
- "broken symbolic link to %s", buf);
- return 1;
- }
- }
- else {
- char *tmp;
- char buf2[BUFSIZ+BUFSIZ+4];
-
- if ((tmp = strrchr(fn, '/')) == NULL) {
- tmp = buf; /* in current directory anyway */
- }
- else {
- strcpy (buf2, fn); /* take directory part */
- buf2[tmp-fn+1] = '\0';
- strcat (buf2, buf); /* plus (relative) symlink */
- tmp = buf2;
- }
- if (stat(tmp, &tstatbuf) < 0) {
- ckfprintf(stdout,
- "broken symbolic link to %s", buf);
- return 1;
- }
- }
-
- /* Otherwise, handle it. */
- if (lflag) {
- process(buf, strlen(buf));
- return 1;
- } else { /* just print what it points to */
- ckfputs("symbolic link to ", stdout);
- ckfputs(buf, stdout);
- }
- }
- return 1;
-#endif
-#ifdef S_IFSOCK
-#ifndef __COHERENT__
- case S_IFSOCK:
- ckfputs("socket", stdout);
- return 1;
-#endif
-#endif
- case S_IFREG:
- break;
- default:
- error("invalid mode 0%o.\n", sb->st_mode);
- /*NOTREACHED*/
- }
-
- /*
- * regular file, check next possibility
- */
- if (sb->st_size == 0) {
- ckfputs("empty", stdout);
- return 1;
- }
- return 0;
-}
-
projects / apple / file_cmds.git / blobdiff