#include <stdint.h>
#include <unistd.h>

/* TODO: not thread-safe nor fork-safe */
extern volatile int t_status;

#define T_LOC2(l) __FILE__ ":" #l
#define T_LOC1(l) T_LOC2(l)
#define t_error(...) t_printf(T_LOC1(__LINE__) ": " __VA_ARGS__)

int t_printf(const char *s, ...);

int t_vmfill(void **, size_t *, int);
int t_memfill(void);

void t_fdfill(void);

void t_randseed(uint64_t s);
uint64_t t_randn(uint64_t n);
uint64_t t_randint(uint64_t a, uint64_t b);
void t_shuffle(uint64_t *p, size_t n);
void t_randrange(uint64_t *p, size_t n);
int t_choose(uint64_t n, size_t k, uint64_t *p);

char *t_pathrel(char *buf, size_t n, char *argv0, char *p);

int t_setrlim(int r, long lim);

int t_setutf8(void);