kolibrios-fun/programs/develop/ktcc/trunk/libc.obj/source/stdio/vprintf.c

/* Copyright (C) 2021 Logaev Maxim (turbocat2001), GPLv2 */

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>

#include "conio.h"
#include <sys/ksys.h>
#include <errno.h>
#include <limits.h>

int vsprintf(char* s, const char* format, va_list arg)
{
    return vsnprintf(s, STDIO_MAX_MEM, format, arg);
}

int vprintf(const char* format, va_list arg)
{
    int len = 0;
    char* s = malloc(STDIO_MAX_MEM);
    if (!s) {
        errno = ENOMEM;
        return errno;
    }
    con_init();
    len = vsnprintf(s, STDIO_MAX_MEM, format, arg);
    con_write_string(s, len);
    free(s);
    return (len);
}