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959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0 |
48ec2905 DC |
2 | /* |
3 | * Copyright (c) 2004-2005 Silicon Graphics, Inc. | |
4 | * Copyright (c) 2012 Red Hat, Inc. | |
5 | * All Rights Reserved. | |
48ec2905 DC |
6 | */ |
7 | ||
8 | #include "libxfs.h" | |
9 | #include <sys/mman.h> | |
10 | #include "command.h" | |
11 | #include "input.h" | |
12 | #include "init.h" | |
cccf6abc | 13 | #include "path.h" |
48ec2905 DC |
14 | #include "space.h" |
15 | ||
16 | static cmdinfo_t print_cmd; | |
17 | ||
18 | fileio_t *filetable; | |
19 | int filecount; | |
20 | fileio_t *file; | |
21 | ||
22 | static void | |
23 | print_fileio( | |
24 | fileio_t *file, | |
25 | int index, | |
26 | int braces) | |
27 | { | |
28 | printf(_("%c%03d%c %-14s\n"), braces? '[' : ' ', index, | |
29 | braces? ']' : ' ', file->name); | |
30 | } | |
31 | ||
32 | static int | |
33 | print_f( | |
34 | int argc, | |
35 | char **argv) | |
36 | { | |
37 | int i; | |
38 | ||
39 | for (i = 0; i < filecount; i++) | |
40 | print_fileio(&filetable[i], i, &filetable[i] == file); | |
41 | return 0; | |
42 | } | |
43 | ||
44 | int | |
45 | openfile( | |
46 | char *path, | |
2668d323 | 47 | struct xfs_fsop_geom *geom, |
cccf6abc | 48 | struct fs_path *fs_path) |
48ec2905 | 49 | { |
cccf6abc | 50 | struct fs_path *fsp; |
48ec2905 DC |
51 | int fd; |
52 | ||
53 | fd = open(path, 0); | |
54 | if (fd < 0) { | |
55 | perror(path); | |
56 | return -1; | |
57 | } | |
58 | ||
59 | if (ioctl(fd, XFS_IOC_FSGEOMETRY, geom) < 0) { | |
6fb70877 DW |
60 | if (errno == ENOTTY) |
61 | fprintf(stderr, | |
62 | _("%s: Not on a mounted XFS filesystem.\n"), | |
63 | path); | |
64 | else | |
65 | perror("XFS_IOC_FSGEOMETRY"); | |
48ec2905 DC |
66 | close(fd); |
67 | return -1; | |
68 | } | |
cccf6abc DC |
69 | |
70 | if (fs_path) { | |
71 | fsp = fs_table_lookup(path, FS_MOUNT_POINT); | |
72 | if (!fsp) { | |
73 | fprintf(stderr, _("%s: cannot find mount point."), | |
74 | path); | |
1cda9090 | 75 | close(fd); |
cccf6abc DC |
76 | return -1; |
77 | } | |
78 | memcpy(fs_path, fsp, sizeof(struct fs_path)); | |
79 | } | |
48ec2905 DC |
80 | return fd; |
81 | } | |
82 | ||
83 | int | |
84 | addfile( | |
85 | char *name, | |
86 | int fd, | |
2668d323 | 87 | struct xfs_fsop_geom *geometry, |
cccf6abc | 88 | struct fs_path *fs_path) |
48ec2905 DC |
89 | { |
90 | char *filename; | |
91 | ||
92 | filename = strdup(name); | |
93 | if (!filename) { | |
94 | perror("strdup"); | |
95 | close(fd); | |
96 | return -1; | |
97 | } | |
98 | ||
99 | /* Extend the table of currently open files */ | |
100 | filetable = (fileio_t *)realloc(filetable, /* growing */ | |
101 | ++filecount * sizeof(fileio_t)); | |
102 | if (!filetable) { | |
103 | perror("realloc"); | |
104 | filecount = 0; | |
105 | free(filename); | |
106 | close(fd); | |
107 | return -1; | |
108 | } | |
109 | ||
110 | /* Finally, make this the new active open file */ | |
111 | file = &filetable[filecount - 1]; | |
112 | file->fd = fd; | |
113 | file->name = filename; | |
114 | file->geom = *geometry; | |
cccf6abc | 115 | memcpy(&file->fs_path, fs_path, sizeof(file->fs_path)); |
48ec2905 DC |
116 | return 0; |
117 | } | |
118 | ||
119 | void | |
120 | print_init(void) | |
121 | { | |
122 | print_cmd.name = "print"; | |
123 | print_cmd.altname = "p"; | |
124 | print_cmd.cfunc = print_f; | |
125 | print_cmd.argmin = 0; | |
126 | print_cmd.argmax = 0; | |
127 | print_cmd.flags = CMD_FLAG_ONESHOT; | |
128 | print_cmd.oneline = _("list current open files"); | |
129 | ||
130 | add_command(&print_cmd); | |
131 | } |