Luna/libs/libc/src/init.cpp

#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

extern "C" void initialize_libc()
{
    if (lseek(0, 0, SEEK_CUR) < 0)
    {
        if (errno == EBADF) stdout = fopen("/dev/console", "rw");
        else
            exit(errno);
        if (!stdout) exit(errno);
        errno = 0;
    }
    else { stdout = fdopen(0, "rw"); }
    if (lseek(1, 0, SEEK_CUR) < 0)
    {
        if (errno == EBADF) stderr = fopen("/dev/console", "rw");
        else
            exit(errno);
        if (!stderr) exit(errno);
        errno = 0;
    }
    else { stderr = fdopen(1, "rw"); }
}