161485ab2fb3be07029d03088a5d66eb804e0f535njn 261485ab2fb3be07029d03088a5d66eb804e0f535njn#include <stdio.h> 361485ab2fb3be07029d03088a5d66eb804e0f535njn#include <stdlib.h> 461485ab2fb3be07029d03088a5d66eb804e0f535njn#include <string.h> 561485ab2fb3be07029d03088a5d66eb804e0f535njn 661485ab2fb3be07029d03088a5d66eb804e0f535njn// This program determines which OS that this Valgrind installation 761485ab2fb3be07029d03088a5d66eb804e0f535njn// supports, which depends on what was chosen at configure-time. 861485ab2fb3be07029d03088a5d66eb804e0f535njn// 961485ab2fb3be07029d03088a5d66eb804e0f535njn// We return: 10f897b99cbf6dbdb17c681b29ba429074e5487517florian// - 0 if the machine matches the asked-for OS and satisfies a 11f897b99cbf6dbdb17c681b29ba429074e5487517florian// version requirement, if any 1261485ab2fb3be07029d03088a5d66eb804e0f535njn// - 1 if it doesn't match but does match the name of another OS 1361485ab2fb3be07029d03088a5d66eb804e0f535njn// - 2 if it doesn't match the name of any OS 1461485ab2fb3be07029d03088a5d66eb804e0f535njn// - 3 if there was a usage error (it also prints an error message) 1561485ab2fb3be07029d03088a5d66eb804e0f535njn 1661485ab2fb3be07029d03088a5d66eb804e0f535njn// Nb: When updating this file for a new OS, add the name to 1761485ab2fb3be07029d03088a5d66eb804e0f535njn// 'all_OSes' as well as adding go(). 1861485ab2fb3be07029d03088a5d66eb804e0f535njn 1961485ab2fb3be07029d03088a5d66eb804e0f535njn#define False 0 2061485ab2fb3be07029d03088a5d66eb804e0f535njn#define True 1 2161485ab2fb3be07029d03088a5d66eb804e0f535njntypedef int Bool; 2261485ab2fb3be07029d03088a5d66eb804e0f535njn 2361485ab2fb3be07029d03088a5d66eb804e0f535njnchar* all_OSes[] = { 2461485ab2fb3be07029d03088a5d66eb804e0f535njn "linux", 25f76d27a697a7b0bf3b84490baf60623fc96a23afnjn "darwin", 268eb8bab992e3998c33770b0cdb16059a8b918a06sewardj "solaris", 2761485ab2fb3be07029d03088a5d66eb804e0f535njn NULL 2861485ab2fb3be07029d03088a5d66eb804e0f535njn}; 2961485ab2fb3be07029d03088a5d66eb804e0f535njn 30f897b99cbf6dbdb17c681b29ba429074e5487517florian#if defined(VGO_linux) 31f897b99cbf6dbdb17c681b29ba429074e5487517florianstatic Bool matches_version(char *min_version) 32f897b99cbf6dbdb17c681b29ba429074e5487517florian{ 33f897b99cbf6dbdb17c681b29ba429074e5487517florian int a1, a2, a3, g1, g2, g3; // 'a' = actual; 'g' = given 34f897b99cbf6dbdb17c681b29ba429074e5487517florian 35f897b99cbf6dbdb17c681b29ba429074e5487517florian if (min_version == NULL) return True; // no version specified 36f897b99cbf6dbdb17c681b29ba429074e5487517florian 37f897b99cbf6dbdb17c681b29ba429074e5487517florian // get actual version number 38f897b99cbf6dbdb17c681b29ba429074e5487517florian FILE *fp = fopen("/proc/sys/kernel/osrelease", "r"); 39f897b99cbf6dbdb17c681b29ba429074e5487517florian if (fp == NULL || fscanf(fp, "%d.%d.%d", &a1, &a2, &a3) != 3) return False; 40f897b99cbf6dbdb17c681b29ba429074e5487517florian fclose(fp); 41f897b99cbf6dbdb17c681b29ba429074e5487517florian 42f897b99cbf6dbdb17c681b29ba429074e5487517florian // parse given version number 43f897b99cbf6dbdb17c681b29ba429074e5487517florian if (sscanf(min_version, "%d.%d.%d", &g1, &g2, &g3) != 3) return False; 44f897b99cbf6dbdb17c681b29ba429074e5487517florian 45f897b99cbf6dbdb17c681b29ba429074e5487517florian// printf("actual %d %d %d\n", a1, a2,a3); 46f897b99cbf6dbdb17c681b29ba429074e5487517florian// printf("given %d %d %d\n", g1, g2,g3); 47f897b99cbf6dbdb17c681b29ba429074e5487517florian 48f897b99cbf6dbdb17c681b29ba429074e5487517florian if (a1 > g1) return True; 49f897b99cbf6dbdb17c681b29ba429074e5487517florian if (a1 < g1) return False; 50f897b99cbf6dbdb17c681b29ba429074e5487517florian if (a2 > g2) return True; 51f897b99cbf6dbdb17c681b29ba429074e5487517florian if (a2 < g2) return False; 52f897b99cbf6dbdb17c681b29ba429074e5487517florian if (a3 >= g3) return True; 53f897b99cbf6dbdb17c681b29ba429074e5487517florian 54f897b99cbf6dbdb17c681b29ba429074e5487517florian return False; 55f897b99cbf6dbdb17c681b29ba429074e5487517florian} 56f897b99cbf6dbdb17c681b29ba429074e5487517florian#endif 57f897b99cbf6dbdb17c681b29ba429074e5487517florian 58f897b99cbf6dbdb17c681b29ba429074e5487517florianstatic Bool go(char* OS, char *min_version) 5961485ab2fb3be07029d03088a5d66eb804e0f535njn{ 6061485ab2fb3be07029d03088a5d66eb804e0f535njn#if defined(VGO_linux) 61f897b99cbf6dbdb17c681b29ba429074e5487517florian if ( 0 == strcmp( OS, "linux" ) && matches_version( min_version )) return True; 6261485ab2fb3be07029d03088a5d66eb804e0f535njn 63f76d27a697a7b0bf3b84490baf60623fc96a23afnjn#elif defined(VGO_darwin) 64f76d27a697a7b0bf3b84490baf60623fc96a23afnjn if ( 0 == strcmp( OS, "darwin" ) ) return True; 6561485ab2fb3be07029d03088a5d66eb804e0f535njn 668eb8bab992e3998c33770b0cdb16059a8b918a06sewardj#elif defined(VGO_solaris) 678eb8bab992e3998c33770b0cdb16059a8b918a06sewardj if ( 0 == strcmp( OS, "solaris" ) ) return True; 688eb8bab992e3998c33770b0cdb16059a8b918a06sewardj 6961485ab2fb3be07029d03088a5d66eb804e0f535njn#else 7061485ab2fb3be07029d03088a5d66eb804e0f535njn# error Unknown OS 7161485ab2fb3be07029d03088a5d66eb804e0f535njn#endif // VGO_* 7261485ab2fb3be07029d03088a5d66eb804e0f535njn 7361485ab2fb3be07029d03088a5d66eb804e0f535njn return False; 7461485ab2fb3be07029d03088a5d66eb804e0f535njn} 7561485ab2fb3be07029d03088a5d66eb804e0f535njn 7661485ab2fb3be07029d03088a5d66eb804e0f535njn//--------------------------------------------------------------------------- 7761485ab2fb3be07029d03088a5d66eb804e0f535njn// main 7861485ab2fb3be07029d03088a5d66eb804e0f535njn//--------------------------------------------------------------------------- 7961485ab2fb3be07029d03088a5d66eb804e0f535njnint main(int argc, char **argv) 8061485ab2fb3be07029d03088a5d66eb804e0f535njn{ 8161485ab2fb3be07029d03088a5d66eb804e0f535njn int i; 82f897b99cbf6dbdb17c681b29ba429074e5487517florian if ( argc < 2 ) { 83f897b99cbf6dbdb17c681b29ba429074e5487517florian fprintf( stderr, "usage: os_test <OS-type> [<min-version>]\n" ); 8461485ab2fb3be07029d03088a5d66eb804e0f535njn exit(3); // Usage error. 8561485ab2fb3be07029d03088a5d66eb804e0f535njn } 86f897b99cbf6dbdb17c681b29ba429074e5487517florian if (go( argv[1], argv[2] )) { 8761485ab2fb3be07029d03088a5d66eb804e0f535njn return 0; // Matched. 8861485ab2fb3be07029d03088a5d66eb804e0f535njn } 8961485ab2fb3be07029d03088a5d66eb804e0f535njn for (i = 0; NULL != all_OSes[i]; i++) { 9061485ab2fb3be07029d03088a5d66eb804e0f535njn if ( 0 == strcmp( argv[1], all_OSes[i] ) ) 9161485ab2fb3be07029d03088a5d66eb804e0f535njn return 1; // Didn't match, but named another OS. 9261485ab2fb3be07029d03088a5d66eb804e0f535njn } 9361485ab2fb3be07029d03088a5d66eb804e0f535njn return 2; // Didn't match any OSes. 9461485ab2fb3be07029d03088a5d66eb804e0f535njn} 9561485ab2fb3be07029d03088a5d66eb804e0f535njn 96