diff options
Diffstat (limited to 'usr.bin/telnet/telnet.c')
| -rw-r--r-- | usr.bin/telnet/telnet.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/usr.bin/telnet/telnet.c b/usr.bin/telnet/telnet.c index 9971152..27aeaa9 100644 --- a/usr.bin/telnet/telnet.c +++ b/usr.bin/telnet/telnet.c @@ -1946,6 +1946,47 @@ telnet(char *user __unusedhere) } } +#if 0 /* XXX - this not being in is a bug */ +/* + * nextitem() + * + * Return the address of the next "item" in the TELNET data + * stream. This will be the address of the next character if + * the current address is a user data character, or it will + * be the address of the character following the TELNET command + * if the current address is a TELNET IAC ("I Am a Command") + * character. + */ + +static char * +nextitem(char *current) +{ + if ((*current&0xff) != IAC) { + return current+1; + } + switch (*(current+1)&0xff) { + case DO: + case DONT: + case WILL: + case WONT: + return current+3; + case SB: /* loop forever looking for the SE */ + { + char *look = current+2; + + for (;;) { + if ((*look++&0xff) == IAC) { + if ((*look++&0xff) == SE) { + return look; + } + } + } + } + default: + return current+2; + } +} +#endif /* 0 */ /* * netclear() |
