/**
* Helper routine to try and write up to one chunk of data from the buffer
* to the socket. Return how much was written.
* @param wait Wait
* @return int
*/
static int flush_write_buffer(int wait)
{
fd_set fds;
struct timeval tv = { 0, 0 };
int errno_save = ano_sockgeterr();
if (write_bufend == write_curpos || write_fd == -1)
return 0;
FD_ZERO(&fds);
FD_SET(write_fd, &fds);
if (select(write_fd + 1, 0, &fds, 0, wait ? NULL : &tv) == 1) {
int maxwrite, nwritten;
if (write_curpos > write_bufend) /* wrapped around? */
maxwrite = write_buftop - write_curpos;
else if (write_bufend == write_netbuf)
maxwrite = write_buftop - write_curpos - 1;
else
maxwrite = write_bufend - write_curpos;
nwritten = ano_sockwrite(write_fd, write_curpos, maxwrite);
errno_save = ano_sockgeterr();
if (debug >= 3)
alog("debug: flush_write_buffer wanted %d, got %d", maxwrite,
nwritten);
if (nwritten > 0) {
write_curpos += nwritten;
if (write_curpos == write_buftop)
write_curpos = write_netbuf;
total_written += nwritten;
return nwritten;
}
}
ano_sockseterr(errno_save);
return 0;
}
/* Send a line of text */
int smtp_send(const char *text)
{
int result = ano_sockwrite(smail.sock, text, strlen(text));
alog("SMTP: sent %s",text);
if (result == SOCKET_ERROR)
ano_sockclose(smail.sock);
return result;
}
