2 Copyright (C) 2002 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #include <pbd/mountpoint.h>
34 struct mntent_sorter {
35 bool operator() (const mntent *a, const mntent *b) {
36 return strcmp (a->mnt_dir, b->mnt_dir);
41 mountpoint (string path)
45 unsigned int maxmatch = 0;
46 unsigned int matchlen;
47 const char *cpath = path.c_str();
48 char best[PATH_MAX+1];
50 if ((mntf = setmntent ("/etc/mtab", "r")) == 0) {
56 while ((mnt = getmntent (mntf))) {
62 /* note: strcmp's semantics are not
63 strict enough to use for this.
66 while (cpath[n] && mnt->mnt_dir[n]) {
67 if (cpath[n] != mnt->mnt_dir[n]) {
74 if (cpath[matchlen] == '\0') {
81 if (matchlen > maxmatch) {
82 snprintf (best, sizeof(best), "%s", mnt->mnt_dir);
93 #else // !HAVE_GETMNTENT
95 #include <sys/param.h>
96 #include <sys/ucred.h>
97 #include <sys/mount.h>
100 mountpoint (string path)
102 struct statfs *mntbufp = 0;
104 unsigned int maxmatch = 0;
105 unsigned int matchlen;
106 const char *cpath = path.c_str();
107 char best[PATH_MAX+1];
109 if ((count = getmntinfo(&mntbufp, MNT_NOWAIT)) == 0) {
116 for (int i = 0; i < count; ++i) {
120 /* note: strcmp's semantics are not
121 strict enough to use for this.
124 while (cpath[n] && mntbufp[i].f_mntonname[n]) {
125 if (cpath[n] != mntbufp[i].f_mntonname[n]) {
132 if (cpath[matchlen] == '\0') {
133 snprintf(best, sizeof(best), "%s", mntbufp[i].f_mntonname);
139 if (matchlen > maxmatch) {
140 snprintf (best, sizeof(best), "%s", mntbufp[i].f_mntonname);
150 #endif // HAVE_GETMNTENT
152 #ifdef TEST_MOUNTPOINT
154 main (int argc, char *argv[])
156 printf ("mp of %s = %s\n", argv[1], mountpoint (argv[1]).c_str());
160 #endif // TEST_MOUNTPOINT