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1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License, Version 1.0 only | |
6 | * (the "License"). You may not use this file except in compliance | |
7 | * with the License. | |
8 | * | |
9 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
10 | * or http://www.opensolaris.org/os/licensing. | |
11 | * See the License for the specific language governing permissions | |
12 | * and limitations under the License. | |
13 | * | |
14 | * When distributing Covered Code, include this CDDL HEADER in each | |
15 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
16 | * If applicable, add the following below this CDDL HEADER, with the | |
17 | * fields enclosed by brackets "[]" replaced with your own identifying | |
18 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
19 | * | |
20 | * CDDL HEADER END | |
21 | */ | |
22 | /* | |
23 | * Copyright 2005 Sun Microsystems, Inc. All rights reserved. | |
24 | * Copyright 2006 Ricardo Correia. All rights reserved. | |
25 | * Use is subject to license terms. | |
26 | */ | |
27 | ||
28 | /* Copyright (c) 1988 AT&T */ | |
29 | /* All Rights Reserved */ | |
30 | ||
31 | #include <stdio.h> | |
32 | #include <string.h> | |
33 | #include <mntent.h> | |
34 | #include <sys/mnttab.h> | |
35 | ||
36 | #include <sys/types.h> | |
37 | #include <sys/stat.h> | |
38 | #include <unistd.h> | |
39 | ||
40 | #define BUFSIZE (MNT_LINE_MAX + 2) | |
41 | ||
42 | __thread char buf[BUFSIZE]; | |
43 | ||
44 | #define DIFF(xx) ((mrefp->xx != NULL) && \ | |
45 | (mgetp->xx == NULL || strcmp(mrefp->xx, mgetp->xx) != 0)) | |
46 | ||
47 | int | |
48 | getmntany(FILE *fp, struct mnttab *mgetp, struct mnttab *mrefp) | |
49 | { | |
50 | int ret; | |
51 | ||
52 | while (((ret = _sol_getmntent(fp, mgetp)) == 0) && | |
53 | (DIFF(mnt_special) || DIFF(mnt_mountp) || | |
54 | DIFF(mnt_fstype) || DIFF(mnt_mntopts))); | |
55 | ||
56 | return ret; | |
57 | } | |
58 | ||
59 | int | |
60 | _sol_getmntent(FILE *fp, struct mnttab *mgetp) | |
61 | { | |
62 | struct mntent mntbuf; | |
63 | struct mntent *ret; | |
64 | ||
65 | ret = getmntent_r(fp, &mntbuf, buf, BUFSIZE); | |
66 | ||
67 | if (ret != NULL) { | |
68 | mgetp->mnt_special = mntbuf.mnt_fsname; | |
69 | mgetp->mnt_mountp = mntbuf.mnt_dir; | |
70 | mgetp->mnt_fstype = mntbuf.mnt_type; | |
71 | mgetp->mnt_mntopts = mntbuf.mnt_opts; | |
72 | return 0; | |
73 | } | |
74 | ||
75 | if (feof(fp)) | |
76 | return -1; | |
77 | ||
78 | return MNT_TOOLONG; | |
79 | } | |
80 | ||
81 | int | |
82 | getextmntent(FILE *fp, struct extmnttab *mp, int len) | |
83 | { | |
84 | int ret; | |
85 | struct stat64 st; | |
86 | ||
87 | ret = _sol_getmntent(fp, (struct mnttab *) mp); | |
88 | if (ret == 0) { | |
89 | if (stat64(mp->mnt_mountp, &st) != 0) { | |
90 | mp->mnt_major = 0; | |
91 | mp->mnt_minor = 0; | |
92 | return ret; | |
93 | } | |
94 | mp->mnt_major = major(st.st_dev); | |
95 | mp->mnt_minor = minor(st.st_dev); | |
96 | } | |
97 | ||
98 | return ret; | |
99 | } |