/*
    Minimal subset of stdlib, none of which have to be actually implemented,
   even memory mnagement.
*/

#ifndef COM_STD_H
#define COM_STD_H

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#if COM_DEF_TARGET == COM_DEF_TARGET_LINUX
#include <sys/syscall.h>

static inline long com_std_syscall(long number, long arg1, long arg2,
                                   long arg3) {
  long ret;
  __asm__ volatile("syscall"
                   : "=a"(ret)
                   : "a"(number), "D"(arg1), "S"(arg2), "d"(arg3)
                   : "rcx", "r11", "memory");
  return ret;
}
#endif

/* TODO: Remove, use buffer semantics instead. */
/* Note: Freeing is done by passing 0 size to pointer. */
void *com_std_alloc(void *ptr, size_t size);

/* Note: Functions listed below are only available for dev builds. */
/* Trigonometry functions are for reference testing of our own fixed point
 * implementations. Do not use otherwise. */
void com_std_assert(bool holds);
void com_std_printf(char const *fmt, ...);
void com_std_print_str(char const *str, uint32_t len, bool newline);
double com_std_sqrt(double v);
double com_std_fabs(double v);
double com_std_sin(double v);
double com_std_cos(double v);

#endif