1/* Formatted output to a stream.
2 Copyright (C) 2007, 2010-2019 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17#if 1
18# include <config.h>
19#endif
20
21/* Specification. */
22#include <stdio.h>
23
24#include <stdarg.h>
25
26/* Print formatted output to standard output.
27 Return string length of formatted string. On error, return a negative
28 value. */
29int
30printf (const char *format, ...)
31{
32 int retval;
33 va_list args;
34
35 va_start (args, format);
36 retval = vfprintf (stdout, format, args);
37 va_end (args);
38
39 return retval;
40}
41