2 * Copyright (c) 2017-2018 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@dragonflybsd.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
28 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 static int docleanup(const char *path);
35 static int sameh2prefix(const char *from);
36 static void saveh2prefix(const char *from);
37 static void freeh2prefixes(void);
40 cmd_cleanup(const char *sel_path)
52 return (docleanup(sel_path));
54 n = getmntinfo(&fsary, MNT_NOWAIT);
56 fprintf(stderr, "hammer2 cleanup: no HAMMER2 mounts\n");
60 for (i = 0; i < n; ++i) {
61 fstype = fsary[i].f_fstypename;
62 path = fsary[i].f_mntonname;
63 from = fsary[i].f_mntfromname;
65 if (strcmp(fstype, "hammer2") != 0)
67 if (sameh2prefix(from)) {
68 printf("hammer2 cleanup \"%s\" (same partition)\n",
84 docleanup(const char *path)
88 printf("hammer2 cleanup \"%s\"\n", path);
89 rc = cmd_bulkfree(path);
100 sameh2prefix(const char *from)
107 if (strchr(ptr, '@'))
108 *strchr(ptr, '@') = 0;
109 for (i = 0; i < h2count; ++i) {
110 if (strcmp(h2prefixes[i], ptr) == 0) {
122 saveh2prefix(const char *from)
126 if (h2count >= h2limit) {
127 h2limit = (h2limit + 8) << 1;
128 h2prefixes = realloc(h2prefixes, sizeof(char *) * h2limit);
131 if (strchr(ptr, '@'))
132 *strchr(ptr, '@') = 0;
133 h2prefixes[h2count++] = ptr;
142 for (i = 0; i < h2count; ++i)