Michael Lotz
0644703068
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28990 a95241bf-73f2-0310-859d-f6bbb57e9c96
126 lines
2.3 KiB
C++
126 lines
2.3 KiB
C++
/*
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* Copyright 2001-2006, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Jérôme Duval, [email protected]
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* Axel Dörfler, [email protected]
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*/
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/*! Remove an attribute from a file */
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#include <fs_attr.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <glob.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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extern const char *__progname;
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const char *kProgramName = __progname;
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int gCurrentFile;
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void
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usage()
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{
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printf("usage: %s [-p] attr filename1 [filename2...]\n"
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"\t'attr' is the name of an attribute of the file\n"
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"\tIf '-p' is specified, 'attr' is regarded as a pattern.\n", kProgramName);
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exit(1);
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}
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void *
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open_attr_dir(const char* /*path*/)
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{
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return fs_fopen_attr_dir(gCurrentFile);
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}
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int
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stat_attr(const char* /*attribute*/, struct stat* stat)
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{
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memset(stat, 0, sizeof(struct stat));
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stat->st_mode = S_IFREG;
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return 0;
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}
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int
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remove_attribute(int fd, const char* attribute, bool isPattern)
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{
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if (!isPattern)
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return fs_remove_attr(fd, attribute);
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glob_t glob;
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memset(&glob, 0, sizeof(glob_t));
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glob.gl_closedir = (void (*)(void *))fs_close_attr_dir;
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glob.gl_readdir = (dirent* (*)(void*))fs_read_attr_dir;
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glob.gl_opendir = open_attr_dir;
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glob.gl_lstat = stat_attr;
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glob.gl_stat = stat_attr;
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// for open_attr_dir():
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gCurrentFile = fd;
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int result = ::glob(attribute, GLOB_ALTDIRFUNC, NULL, &glob);
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if (result < 0) {
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errno = B_BAD_VALUE;
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return -1;
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}
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bool error = false;
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for (int i = 0; i < glob.gl_pathc; i++) {
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if (fs_remove_attr(fd, glob.gl_pathv[i]) != 0)
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error = true;
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}
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return error ? -1 : 0;
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}
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int
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main(int argc, const char **argv)
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{
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// Make sure we have the minimum number of arguments.
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if (argc < 3)
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usage();
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bool isPattern = false;
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int attr = 1;
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if (!strcmp(argv[attr], "-p")) {
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isPattern = true;
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attr++;
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if (argc < 4)
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usage();
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}
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for (int32 i = attr + 1; i < argc; i++) {
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int fd = open(argv[i], O_WRONLY);
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if (fd < 0) {
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fprintf(stderr, "%s: can\'t open file %s to remove attribute: %s\n",
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kProgramName, argv[i], strerror(errno));
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return 1;
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}
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if (remove_attribute(fd, argv[attr], isPattern) != B_OK) {
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fprintf(stderr, "%s: error removing attribute %s from %s: %s\n",
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kProgramName, argv[attr], argv[i], strerror(errno));
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}
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close(fd);
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}
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return 0;
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}
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