* \param fd The file descriptor.
* \param buf the buffer to write.
* \param len the number of bytes of \a buf.
- * \param max_bytes_per_write Do not write more than that many bytes at once.
- *
- * If \a max_bytes_per_write is non-zero, do not send more than that many bytes
- * per write().
*
* EAGAIN is not considered an error condition. For example CCID3 has a
* sending wait queue which fills up and is emptied asynchronously. The EAGAIN
*
* \return Negative on errors, number of bytes written else.
*/
-int write_nonblock(int fd, const char *buf, size_t len,
- size_t max_bytes_per_write)
+int write_nonblock(int fd, const char *buf, size_t len)
{
size_t written = 0;
int ret = 0;
while (written < len) {
size_t num = len - written;
- if (max_bytes_per_write && max_bytes_per_write < num)
- num = max_bytes_per_write;
ret = write(fd, buf + written, num);
if (ret < 0 && errno == EAGAIN)
return written;
* \param fd The file descriptor to receive from.
* \param pattern The expected pattern.
* \param bufsize The size of the internal buffer.
+ * \param rfds Passed to read_nonblock().
*
* This function tries to read at most \a bufsize bytes from the non-blocking
* file descriptor \a fd. If at least \p strlen(\a pattern) bytes have been