/**

 * test/demos/myprintf.c

 * Copyright (C) 2008 Markus Broeker

 */

#include <stdio.h>

#include <stdlib.h>

#include <stdarg.h>

#include <string.h>

int myprintf (char *fmt, ...)

{

    int i, pos = 0;

    va_list list;

    char c;

    char *s;

    char s_str[1024];

    char v[12];

    int value;

    va_start (list, fmt);

    while (*fmt) {

        switch (*fmt) {

        case '%':

            switch (*++fmt) {

            case 'c':

                c = va_arg (list, int);

                s_str[pos++] = c;

                c = *fmt++;

                break;

            case 's':

                s = va_arg (list, char *);

                for (i = 0; i < strlen (s); i++) {

                    s_str[pos++] = s[i];

                }

                c = *fmt++;

                break;

            case 'd':

                value = va_arg (list, int);

                sprintf (v, "%d", value);

                for (i = 0; i < strlen (v); i++) {

                    s_str[pos++] = v[i];

                }

                c = *fmt++;

                break;

            default:

                puts ("Unknown character");

            }

        default:

            s_str[pos++] = *fmt++;

        }

        va_end (list);

    }

    s_str[pos] = '\0';

    puts (s_str);

    return pos;

}

int main (int argc, char **argv)

{

    int len;

    len = myprintf ("Bugfix needed: %s\t[%d:%d]", "Lines", 20, 30);

    return EXIT_SUCCESS;

}