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 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 //--------------------------------------------------------------------------- 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
