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48ec2905 DC |
1 | /* |
2 | * Copyright (c) 2004-2005 Silicon Graphics, Inc. | |
3 | * Copyright (c) 2012 Red Hat, Inc. | |
4 | * All Rights Reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it would be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write the Free Software Foundation, | |
17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
19 | ||
20 | #include "libxfs.h" | |
21 | #include <sys/mman.h> | |
22 | #include "command.h" | |
23 | #include "input.h" | |
24 | #include "init.h" | |
25 | #include "space.h" | |
26 | ||
27 | static cmdinfo_t print_cmd; | |
28 | ||
29 | fileio_t *filetable; | |
30 | int filecount; | |
31 | fileio_t *file; | |
32 | ||
33 | static void | |
34 | print_fileio( | |
35 | fileio_t *file, | |
36 | int index, | |
37 | int braces) | |
38 | { | |
39 | printf(_("%c%03d%c %-14s\n"), braces? '[' : ' ', index, | |
40 | braces? ']' : ' ', file->name); | |
41 | } | |
42 | ||
43 | static int | |
44 | print_f( | |
45 | int argc, | |
46 | char **argv) | |
47 | { | |
48 | int i; | |
49 | ||
50 | for (i = 0; i < filecount; i++) | |
51 | print_fileio(&filetable[i], i, &filetable[i] == file); | |
52 | return 0; | |
53 | } | |
54 | ||
55 | int | |
56 | openfile( | |
57 | char *path, | |
58 | xfs_fsop_geom_t *geom) | |
59 | { | |
60 | int fd; | |
61 | ||
62 | fd = open(path, 0); | |
63 | if (fd < 0) { | |
64 | perror(path); | |
65 | return -1; | |
66 | } | |
67 | ||
68 | if (ioctl(fd, XFS_IOC_FSGEOMETRY, geom) < 0) { | |
69 | perror("XFS_IOC_FSGEOMETRY"); | |
70 | close(fd); | |
71 | return -1; | |
72 | } | |
73 | return fd; | |
74 | } | |
75 | ||
76 | int | |
77 | addfile( | |
78 | char *name, | |
79 | int fd, | |
80 | xfs_fsop_geom_t *geometry) | |
81 | { | |
82 | char *filename; | |
83 | ||
84 | filename = strdup(name); | |
85 | if (!filename) { | |
86 | perror("strdup"); | |
87 | close(fd); | |
88 | return -1; | |
89 | } | |
90 | ||
91 | /* Extend the table of currently open files */ | |
92 | filetable = (fileio_t *)realloc(filetable, /* growing */ | |
93 | ++filecount * sizeof(fileio_t)); | |
94 | if (!filetable) { | |
95 | perror("realloc"); | |
96 | filecount = 0; | |
97 | free(filename); | |
98 | close(fd); | |
99 | return -1; | |
100 | } | |
101 | ||
102 | /* Finally, make this the new active open file */ | |
103 | file = &filetable[filecount - 1]; | |
104 | file->fd = fd; | |
105 | file->name = filename; | |
106 | file->geom = *geometry; | |
107 | return 0; | |
108 | } | |
109 | ||
110 | void | |
111 | print_init(void) | |
112 | { | |
113 | print_cmd.name = "print"; | |
114 | print_cmd.altname = "p"; | |
115 | print_cmd.cfunc = print_f; | |
116 | print_cmd.argmin = 0; | |
117 | print_cmd.argmax = 0; | |
118 | print_cmd.flags = CMD_FLAG_ONESHOT; | |
119 | print_cmd.oneline = _("list current open files"); | |
120 | ||
121 | add_command(&print_cmd); | |
122 | } |