newlib-cygwin/newlib/libc/machine/nvptx/putchar.c

32 lines
927 B
C

/*
* Support file for nvptx in newlib.
* Copyright (c) 2015-2018 Mentor Graphics.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include <stdarg.h>
extern int vprintf (const char *, va_list);
int
putchar (int c)
{
unsigned valist[1];
c = (unsigned char)c;
valist[0] = c;
int ret = vprintf ("%c", valist);
if (ret < 0)
c = -1;
return c;
}