/*

    Task Spooler - a task queue system for the unix user

    Copyright (C) 2007-2009  Lluís Batlle i Rossell

    Please find the license in the provided COPYING file.

*/

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#include <stdio.h>

#include <stdarg.h>

#include <sys/time.h>

#include "main.h"

/* maxsize: max buffer size, with '\0' */

int fd_nprintf(int fd, int maxsize, const char *fmt, ...)

{

    va_list ap;

    char *out;

    int size;

    int rest;

    va_start(ap, fmt);

    out = (char *) malloc(maxsize * sizeof(char));

    if (out == 0)

    {

        warning("Not enough memory in fd_nprintf()");

        return -1;

    }

    size = vsnprintf(out, maxsize, fmt, ap);

    rest = size; /* We don't want the last null character */

    while (rest > 0)

    {

        int res;

        res = write(fd, out, rest);

        if (res == -1)

        {

            warning("Cannot write more chars in pinfo_dump");

            break;

        }

        rest -= res;

    }

    free(out);

    return size;

}