Luna/libs/libc/src/stdio.cpp

#include <errno.h>
#include <luna.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <unistd.h>

extern "C"
{
    int puts(const char* s)
    {
        long nwritten = fwrite(s, strlen(s), 1, stdout);
        if (nwritten < 0) return -1;
        nwritten += fwrite("\n", 1, 1, stdout);
        return (int)nwritten;
    }
    void perror(const char* s) // FIXME: Print to stderr, whenever we have an stderr.
    {
        int savederr =
            errno; // This was necessary before, but even more now since we clear errno on successful syscalls now.
        if (s && *s) { printf("%s: ", s); }
        printf("%s\n", strerror(savederr));
    }
}