#include "sys/mman.h"
#include "syscall.h"
#include "errno.h"

void* mmap(void* addr, size_t length, int prot, int flags, int fd, int offset) {
    int ret = _syscall5(SYS_MMAP, (int)addr, (int)length, prot, flags, fd);
    (void)offset;
    if (ret < 0 && ret > -4096) {
        errno = -ret;
        return MAP_FAILED;
    }
    return (void*)ret;
}

int munmap(void* addr, size_t length) {
    return __syscall_ret(_syscall2(SYS_MUNMAP, (int)addr, (int)length));
}

int mprotect(void* addr, size_t len, int prot) {
    return __syscall_ret(_syscall3(SYS_MPROTECT, (int)addr, (int)len, prot));
}

int madvise(void* addr, size_t length, int advice) {
    return __syscall_ret(_syscall3(SYS_MADVISE, (int)addr, (int)length, advice));
}