1 // RUN: %clangxx_msan -O0 %s -o %t && %run %t 2>&1 2 // RUN: %clangxx_msan -O0 -D_FILE_OFFSET_BITS=64 %s -o %t && %run %t 2>&1 3 // RUN: %clangxx_msan -O3 %s -o %t && %run %t 2>&1 4 5 #include <assert.h> 6 #include <errno.h> 7 #include <net/if.h> 8 #include <stdio.h> 9 #include <string.h> 10 11 #include <sanitizer/msan_interface.h> 12 main(int argc,char * argv[])13int main(int argc, char *argv[]) { 14 char ifname[IF_NAMESIZE + 1]; 15 assert(0 == __msan_test_shadow(ifname, sizeof(ifname))); 16 if (!if_indextoname(1, ifname)) { 17 assert(errno == ENXIO); 18 printf("No network interfaces found.\n"); 19 return 0; 20 } 21 assert(strlen(ifname) + 1 <= __msan_test_shadow(ifname, sizeof(ifname))); 22 return 0; 23 } 24