/* { C only: C++ does not allow for conversion from function pointer to 'void *' */ typedef __SIZE_TYPE__ size_t; int getrandom (void *__buffer, size_t __length, /* { dg-message "parameter 1 of 'getrandom' marked with attribute 'access \\(write_only, 1, 2\\)'" } */ unsigned int __flags) __attribute__ ((access (__write_only__, 1, 2))); #define GRND_RANDOM 0x02 void test (void) { char buf[16]; if (getrandom(test, 16, GRND_RANDOM)) /* { dg-warning "write to function 'test'" } */ __builtin_printf("%s\n", buf); }