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terminal_width now also working over telnet.

This commit is contained in:
Peetz0r 2011-12-05 17:54:26 +01:00
parent d3104d6d78
commit f36609e9b6
1 changed files with 14 additions and 7 deletions
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21
src/nyancat.c
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@ -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