1
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <string.h>
5
6 // This program determines which OS that this Valgrind installation
7 // supports, which depends on what was chosen at configure-time.
8 //
9 // We return:
10 // - 0 if the machine matches the asked-for OS
11 // - 1 if it doesn't match but does match the name of another OS
12 // - 2 if it doesn't match the name of any OS
13 // - 3 if there was a usage error (it also prints an error message)
14
15 // Nb: When updating this file for a new OS, add the name to
16 // 'all_OSes' as well as adding go().
17
18 #define False 0
19 #define True 1
20 typedef int Bool;
21
22 char* all_OSes[] = {
23 "linux",
24 "aix5",
25 "darwin",
26 NULL
27 };
28
go(char * OS)29 static Bool go(char* OS)
30 {
31 #if defined(VGO_linux)
32 if ( 0 == strcmp( OS, "linux" ) ) return True;
33
34 #elif defined(VGO_aix5)
35 if ( 0 == strcmp( OS, "aix5" ) ) return True;
36
37 #elif defined(VGO_darwin)
38 if ( 0 == strcmp( OS, "darwin" ) ) return True;
39
40 #else
41 # error Unknown OS
42 #endif // VGO_*
43
44 return False;
45 }
46
47 //---------------------------------------------------------------------------
48 // main
49 //---------------------------------------------------------------------------
main(int argc,char ** argv)50 int main(int argc, char **argv)
51 {
52 int i;
53 if ( argc != 2 ) {
54 fprintf( stderr, "usage: os_test <OS-type>\n" );
55 exit(3); // Usage error.
56 }
57 if (go( argv[1] )) {
58 return 0; // Matched.
59 }
60 for (i = 0; NULL != all_OSes[i]; i++) {
61 if ( 0 == strcmp( argv[1], all_OSes[i] ) )
62 return 1; // Didn't match, but named another OS.
63 }
64 return 2; // Didn't match any OSes.
65 }
66
67