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1 | /* |
2 | * Copyright (c) 2003 Silicon Graphics, Inc. All Rights Reserved. | |
dfc130f3 | 3 | * |
e246ba5f NS |
4 | * This program is free software; you can redistribute it and/or modify it |
5 | * under the terms of version 2 of the GNU General Public License as | |
6 | * published by the Free Software Foundation. | |
dfc130f3 | 7 | * |
e246ba5f NS |
8 | * This program is distributed in the hope that it would be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
dfc130f3 | 11 | * |
e246ba5f NS |
12 | * Further, this software is distributed without any warranty that it is |
13 | * free of the rightful claim of any third person regarding infringement | |
14 | * or the like. Any license provided herein, whether implied or | |
15 | * otherwise, applies only to this software file. Patent licenses, if | |
16 | * any, provided herein do not apply to combinations of this program with | |
17 | * other software, or any other product whatsoever. | |
dfc130f3 | 18 | * |
e246ba5f NS |
19 | * You should have received a copy of the GNU General Public License along |
20 | * with this program; if not, write the Free Software Foundation, Inc., 59 | |
21 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
dfc130f3 | 22 | * |
e246ba5f NS |
23 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, |
24 | * Mountain View, CA 94043, or: | |
dfc130f3 RC |
25 | * |
26 | * http://www.sgi.com | |
27 | * | |
28 | * For further information regarding this notice, see: | |
29 | * | |
e246ba5f NS |
30 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ |
31 | */ | |
dfc130f3 | 32 | |
e246ba5f NS |
33 | #include <libxfs.h> |
34 | #include "command.h" | |
35 | ||
36 | cmdinfo_t *cmdtab; | |
37 | int ncmds; | |
38 | ||
39 | static int | |
40 | cmd_compare(const void *a, const void *b) | |
41 | { | |
42 | return strcmp(((const cmdinfo_t *)a)->name, | |
43 | ((const cmdinfo_t *)b)->name); | |
44 | } | |
45 | ||
46 | void | |
47 | add_command( | |
48 | const cmdinfo_t *ci) | |
49 | { | |
50 | cmdtab = realloc((void *)cmdtab, ++ncmds * sizeof(*cmdtab)); | |
51 | cmdtab[ncmds - 1] = *ci; | |
52 | qsort(cmdtab, ncmds, sizeof(*cmdtab), cmd_compare); | |
53 | } | |
54 | ||
55 | int | |
56 | command( | |
57 | int argc, | |
58 | char **argv) | |
59 | { | |
60 | char *cmd; | |
61 | const cmdinfo_t *ct; | |
62 | ||
63 | cmd = argv[0]; | |
64 | ct = find_command(cmd); | |
65 | if (!ct) { | |
66 | fprintf(stderr, _("command \"%s\" not found\n"), cmd); | |
67 | return 0; | |
68 | } | |
69 | if (argc-1 < ct->argmin || (ct->argmax != -1 && argc-1 > ct->argmax)) { | |
70 | if (ct->argmax == -1) | |
71 | fprintf(stderr, | |
72 | _("bad argument count %d to %s, expected at least %d arguments\n"), | |
73 | argc-1, cmd, ct->argmin); | |
74 | else if (ct->argmin == ct->argmax) | |
75 | fprintf(stderr, | |
76 | _("bad argument count %d to %s, expected %d arguments\n"), | |
77 | argc-1, cmd, ct->argmin); | |
78 | else | |
79 | fprintf(stderr, | |
80 | _("bad argument count %d to %s, expected between %d and %d arguments\n"), | |
81 | argc-1, cmd, ct->argmin, ct->argmax); | |
82 | return 0; | |
83 | } | |
84 | optind = 0; | |
85 | return ct->cfunc(argc, argv); | |
86 | } | |
87 | ||
88 | const cmdinfo_t * | |
89 | find_command( | |
90 | const char *cmd) | |
91 | { | |
92 | cmdinfo_t *ct; | |
93 | ||
94 | for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++) { | |
95 | if (strcmp(ct->name, cmd) == 0 || | |
96 | (ct->altname && strcmp(ct->altname, cmd) == 0)) | |
97 | return (const cmdinfo_t *)ct; | |
98 | } | |
99 | return NULL; | |
100 | } | |
101 | ||
102 | void | |
103 | init_commands(void) | |
104 | { | |
105 | bmap_init(); | |
106 | help_init(); | |
107 | open_init(); | |
108 | pread_init(); | |
109 | prealloc_init(); | |
110 | pwrite_init(); | |
111 | quit_init(); | |
112 | resblks_init(); | |
113 | fsync_init(); | |
114 | truncate_init(); | |
115 | } |