1 /*
2 * getostype.c - Get the Filesystem OS type
3 *
4 * Copyright (C) 2004,2005 Theodore Ts'o <tytso@mit.edu>
5 *
6 * %Begin-Header%
7 * This file may be redistributed under the terms of the GNU Library
8 * General Public License, version 2.
9 * %End-Header%
10 */
11
12 #include "config.h"
13 #include "e2p.h"
14 #include <string.h>
15 #include <stdlib.h>
16
17 static const char *os_tab[] =
18 { "Linux",
19 "Hurd",
20 "Masix",
21 "FreeBSD",
22 "Lites",
23 0 };
24
25 /*
26 * Convert an os_type to a string
27 */
e2p_os2string(int os_type)28 char *e2p_os2string(int os_type)
29 {
30 const char *os;
31 char *ret;
32
33 if (os_type <= EXT2_OS_LITES)
34 os = os_tab[os_type];
35 else
36 os = "(unknown os)";
37
38 ret = malloc(strlen(os)+1);
39 if (ret)
40 strcpy(ret, os);
41 return ret;
42 }
43
44 /*
45 * Convert an os_type to a string
46 */
e2p_string2os(char * str)47 int e2p_string2os(char *str)
48 {
49 const char **cpp;
50 int i = 0;
51
52 for (cpp = os_tab; *cpp; cpp++, i++) {
53 if (!strcasecmp(str, *cpp))
54 return i;
55 }
56 return -1;
57 }
58
59 #ifdef TEST_PROGRAM
main(int argc,char ** argv)60 int main(int argc, char **argv)
61 {
62 char *s;
63 int i, os;
64
65 for (i=0; i <= EXT2_OS_LITES; i++) {
66 s = e2p_os2string(i);
67 os = e2p_string2os(s);
68 printf("%d: %s (%d)\n", i, s, os);
69 if (i != os) {
70 fprintf(stderr, "Failure!\n");
71 exit(1);
72 }
73 }
74 exit(0);
75 }
76 #endif
77
78
79