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6 * modification, are permitted provided that the following conditions
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13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
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33 * $FreeBSD: src/lib/libc/gen/fstab.c,v 1.8 2000/01/27 23:06:15 jasone Exp $
34 * $DragonFly: src/lib/libc/gen/fstab.c,v 1.6 2005/11/13 00:07:42 swildner Exp $
36 * @(#)fstab.c 8.1 (Berkeley) 6/4/93
37 * $FreeBSD: src/lib/libc/gen/fstab.c,v 1.8 2000/01/27 23:06:15 jasone Exp $
40 #include "namespace.h"
41 #include <sys/param.h>
42 #include <sys/mount.h>
52 #include "un-namespace.h"
55 static struct fstab _fs_fstab
;
56 static int LineNo
= 0;
58 static void error (int);
59 static void fixfsfile (void);
60 static int fstabscan (void);
65 static char buf
[sizeof(_PATH_DEV
) + MNAMELEN
];
69 if (strcmp(_fs_fstab
.fs_file
, "/") != 0)
71 if (statfs("/", &sf
) != 0)
73 if (sf
.f_mntfromname
[0] == '/')
76 strcpy(buf
, _PATH_DEV
);
77 strcat(buf
, sf
.f_mntfromname
);
78 if (stat(buf
, &sb
) != 0 ||
79 (!S_ISBLK(sb
.st_mode
) && !S_ISCHR(sb
.st_mode
)))
81 _fs_fstab
.fs_spec
= buf
;
88 #define MAXLINELENGTH 1024
89 static char line
[MAXLINELENGTH
];
90 char subline
[MAXLINELENGTH
];
95 if (!(p
= fgets(line
, sizeof(line
), _fs_fp
)))
99 if (*line
== '#' || *line
== '\n')
101 if (!strpbrk(p
, " \t")) {
102 _fs_fstab
.fs_spec
= strsep(&p
, ":\n");
103 _fs_fstab
.fs_file
= strsep(&p
, ":\n");
105 _fs_fstab
.fs_type
= strsep(&p
, ":\n");
106 if (_fs_fstab
.fs_type
) {
107 if (!strcmp(_fs_fstab
.fs_type
, FSTAB_XX
))
109 _fs_fstab
.fs_mntops
= _fs_fstab
.fs_type
;
110 _fs_fstab
.fs_vfstype
=
111 strcmp(_fs_fstab
.fs_type
, FSTAB_SW
) ?
113 if ((cp
= strsep(&p
, ":\n")) != NULL
) {
114 _fs_fstab
.fs_freq
= atoi(cp
);
115 if ((cp
= strsep(&p
, ":\n")) != NULL
) {
116 _fs_fstab
.fs_passno
= atoi(cp
);
123 /* OLD_STYLE_FSTAB */
124 while ((cp
= strsep(&p
, " \t\n")) != NULL
&& *cp
== '\0')
126 _fs_fstab
.fs_spec
= cp
;
127 if (!_fs_fstab
.fs_spec
|| *_fs_fstab
.fs_spec
== '#')
129 while ((cp
= strsep(&p
, " \t\n")) != NULL
&& *cp
== '\0')
131 _fs_fstab
.fs_file
= cp
;
133 while ((cp
= strsep(&p
, " \t\n")) != NULL
&& *cp
== '\0')
135 _fs_fstab
.fs_vfstype
= cp
;
136 while ((cp
= strsep(&p
, " \t\n")) != NULL
&& *cp
== '\0')
138 _fs_fstab
.fs_mntops
= cp
;
139 if (_fs_fstab
.fs_mntops
== NULL
)
141 _fs_fstab
.fs_freq
= 0;
142 _fs_fstab
.fs_passno
= 0;
143 while ((cp
= strsep(&p
, " \t\n")) != NULL
&& *cp
== '\0')
146 _fs_fstab
.fs_freq
= atoi(cp
);
147 while ((cp
= strsep(&p
, " \t\n")) != NULL
&& *cp
== '\0')
150 _fs_fstab
.fs_passno
= atoi(cp
);
152 strcpy(subline
, _fs_fstab
.fs_mntops
);
154 for (typexx
= 0, cp
= strsep(&p
, ","); cp
;
155 cp
= strsep(&p
, ",")) {
158 if (!strcmp(cp
, FSTAB_RW
)) {
159 _fs_fstab
.fs_type
= FSTAB_RW
;
162 if (!strcmp(cp
, FSTAB_RQ
)) {
163 _fs_fstab
.fs_type
= FSTAB_RQ
;
166 if (!strcmp(cp
, FSTAB_RO
)) {
167 _fs_fstab
.fs_type
= FSTAB_RO
;
170 if (!strcmp(cp
, FSTAB_SW
)) {
171 _fs_fstab
.fs_type
= FSTAB_SW
;
174 if (!strcmp(cp
, FSTAB_XX
)) {
175 _fs_fstab
.fs_type
= FSTAB_XX
;
185 bad
: /* no way to distinguish between EOF and syntax error */
194 if ((!_fs_fp
&& !setfsent()) || !fstabscan())
195 return((struct fstab
*)NULL
);
200 getfsspec(const char *name
)
204 if (!strcmp(_fs_fstab
.fs_spec
, name
))
206 return((struct fstab
*)NULL
);
210 getfsfile(const char *name
)
214 if (!strcmp(_fs_fstab
.fs_file
, name
))
216 return((struct fstab
*)NULL
);
227 if ((_fs_fp
= fopen(_PATH_FSTAB
, "r")) != NULL
) {
250 _write(STDERR_FILENO
, "fstab: ", 7);
251 _write(STDERR_FILENO
, _PATH_FSTAB
, sizeof(_PATH_FSTAB
) - 1);
252 _write(STDERR_FILENO
, ":", 1);
253 sprintf(num
, "%d: ", LineNo
);
254 _write(STDERR_FILENO
, num
, strlen(num
));
256 _write(STDERR_FILENO
, p
, strlen(p
));
257 _write(STDERR_FILENO
, "\n", 1);