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Avoid the ldisc passing zero-length strings to back->send(). VMS

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sshd has interesting behaviour on receiving a zero-length SSH data
packet.

[originally from svn r508]
This commit is contained in:
Simon Tatham 2000-06-26 12:55:47 +00:00
parent eb79da11de
commit c9e236eb39
1 changed files with 4 additions and 2 deletions
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6
ldisc.c
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@ -123,7 +123,8 @@ static void term_send(char *buf, int len) {
}
break;
case CTRL('M'): /* send with newline */
back->send(term_buf, term_buflen);
if (term_buflen > 0)
back->send(term_buf, term_buflen);
if (cfg.protocol == PROT_RAW)
back->send("\r\n", 2);
else
@ -153,7 +154,8 @@ static void simple_send(char *buf, int len) {
term_buflen--;
}
}
back->send(buf, len);
if (len > 0)
back->send(buf, len);
}
Ldisc ldisc_term = { term_send };