s390x: add single-instruction math functions
[musl.git] / src / stdio / __towrite.c
blob0a69d926dc3c10547a00ae9f7b8517c188078c68
1 #include "stdio_impl.h"
3 int __towrite(FILE *f)
5 f->mode |= f->mode-1;
6 if (f->flags & (F_NOWR)) {
7 f->flags |= F_ERR;
8 return EOF;
10 /* Clear read buffer (easier than summoning nasal demons) */
11 f->rpos = f->rend = 0;
13 /* Activate write through the buffer. */
14 f->wpos = f->wbase = f->buf;
15 f->wend = f->buf + f->buf_size;
17 return 0;
20 void __stdio_exit_needed(void);
22 void __towrite_needs_stdio_exit()
24 __stdio_exit_needed();