// RUN: %check_clang_tidy %s cert-msc32-c %t -- -config="{CheckOptions: [{key: cert-msc32-c.DisallowedSeedTypes, value: 'some_type,time_t'}]}" -- -std=c99 void srand(int seed); typedef int time_t; time_t time(time_t *t); void f() { srand(1); // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: random number generator seeded with a constant value will generate a predictable sequence of values [cert-msc32-c] const int a = 1; srand(a); // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: random number generator seeded with a constant value will generate a predictable sequence of values [cert-msc32-c] time_t t; srand(time(&t)); // Disallowed seed type // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: random number generator seeded with a disallowed source of seed value will generate a predictable sequence of values [cert-msc32-c] } void g() { typedef int user_t; user_t a = 1; srand(a); int b = 1; srand(b); // Can not evaluate as int }