/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* This project's homepage is: http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "myfprintf.h"
#include "client.h"
#include "path.h"
#include "utils.h"
#include "os_compat.h"
#define BUFFER_LENGTH MPD_PATH_MAX+1024
static ssize_t blocking_write(int fd, const char *string, size_t len)
{
const char *base = string;
while (len) {
ssize_t ret = xwrite(fd, string, len);
if (ret < 0)
return -1;
if (!ret) {
errno = ENOSPC;
return -1;
}
len -= ret;
string += ret;
}
return string - base;
}
ssize_t vfdprintf(const int fd, const char *fmt, va_list args)
{
char buffer[BUFFER_LENGTH];
char *buf = buffer;
size_t len;
vsnprintf(buf, BUFFER_LENGTH, fmt, args);
len = strlen(buf);
if (fd == STDERR_FILENO ||
fd == STDOUT_FILENO ||
client_print(fd, buf, len) < 0)
return blocking_write(fd, buf, len);
return len;
}
mpd_fprintf ssize_t fdprintf(const int fd, const char *fmt, ...)
{
va_list args;
ssize_t ret;
va_start(args, fmt);
ret = vfdprintf(fd, fmt, args);
va_end(args);
return ret;
}
