1 /*
2  * Support file for nvptx in newlib.
3  * Copyright (c) 2015-2018 Mentor Graphics.
4  *
5  * The authors hereby grant permission to use, copy, modify, distribute,
6  * and license this software and its documentation for any purpose, provided
7  * that existing copyright notices are retained in all copies and that this
8  * notice is included verbatim in any distributions. No written agreement,
9  * license, or royalty fee is required for any of the authorized uses.
10  * Modifications to this software may be copyrighted by their authors
11  * and need not follow the licensing terms described here, provided that
12  * the new terms are clearly indicated on the first page of each file where
13  * they apply.
14  */
15 
16 #include <stdarg.h>
17 
18 extern int vprintf (const char *, va_list);
19 
20 int
putchar(int c)21 putchar (int c)
22 {
23   unsigned valist[1];
24 
25   c = (unsigned char)c;
26   valist[0] = c;
27   int ret = vprintf ("%c", valist);
28   if (ret < 0)
29     c = -1;
30   return c;
31 }
32