diff options
| -rw-r--r-- | src/nyancat.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/src/nyancat.c b/src/nyancat.c index f5ba004..88e0998 100644 --- a/src/nyancat.c +++ b/src/nyancat.c @@ -180,8 +180,8 @@ void set_options() { telnet_willack[ECHO] = DO; /* The client can set a graphics mode */ telnet_willack[SGA] = DO; - /* The client should not change the window size */ - telnet_willack[NAWS] = DONT; + /* The client should not change, but it should tell us its window size */ + telnet_willack[NAWS] = DO; /* The client should tell us its terminal type (very important) */ telnet_willack[TTYPE] = DO; /* No linemode */ @@ -262,7 +262,7 @@ int main(int argc, char ** argv) { alarm(1); /* Let's do this */ - while (!feof(stdin) && !done) { + while (!feof(stdin) && done < 2) { /* Get either IAC (start command) or a regular character (break, unless in SB mode) */ unsigned char i = getchar(); unsigned char opt = 0; @@ -278,7 +278,14 @@ int main(int argc, char ** argv) { * that this should be a terminal type */ alarm(0); strcpy(term, &sb[2]); - goto ready; + done++; + } + else if (sb[0] == NAWS) { + /* This was a response to the NAWS command, meaning + * that this should be a window size */ + alarm(0); + terminal_width = sb[2]; + done++; } break; case NOP: @@ -326,7 +333,7 @@ int main(int argc, char ** argv) { break; case IAC: /* IAC IAC? That's probably not right. */ - done = 1; + done = 2; break; default: break; @@ -338,7 +345,7 @@ int main(int argc, char ** argv) { * but only if it doesn't put us over * our limit; honestly, we shouldn't hit * the limit, as we're only collecting characters - * for a terminal type, but better safe than + * for a terminal type or window size, but better safe than * sorry (and vulernable). */ sb[sb_len] = i; @@ -361,7 +368,7 @@ int main(int argc, char ** argv) { if(terminal_width > 80) terminal_width = 80; } - + /* * Labels. Yes, and I used a goto. * If you're going to complain about this, you |