#include "stdio_impl.h"
+#include <sys/uio.h>
size_t __stdio_write(FILE *f, const unsigned char *buf, size_t len)
{
size_t rem = iov[0].iov_len + iov[1].iov_len;
int iovcnt = 2;
ssize_t cnt;
- f->wpos = f->wbase;
for (;;) {
cnt = syscall(SYS_writev, f->fd, iov, iovcnt);
- if (cnt == rem) return len;
+ if (cnt == rem) {
+ f->wend = f->buf + f->buf_size;
+ f->wpos = f->wbase = f->buf;
+ return len;
+ }
if (cnt < 0) {
f->wpos = f->wbase = f->wend = 0;
f->flags |= F_ERR;