| Server IP : 184.154.167.98 / Your IP : 52.15.115.134 Web Server : Apache System : Linux pink.dnsnetservice.com 4.18.0-553.22.1.lve.1.el8.x86_64 #1 SMP Tue Oct 8 15:52:54 UTC 2024 x86_64 User : puertode ( 1767) PHP Version : 8.2.26 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/share/graphviz/gvpr/ |
Upload File : |
/* Detect directed cycle and print one if found */
BEG_G{
node_t tp, hp;
node_t stk[node_t];
$tvtype = TV_prepostfwd;
$tvroot = fstnode($);
}
N {
if (stk[$]) {
stk[$] = NULL;
}
else if ($tvedge == NULL) { /* current root */
stk[$] = $;
}
else {
stk[$] = $tvedge.tail;
}
}
E {
if (stk[$.head]) {
tp = $.tail;
hp = $.head;
while (tp != $.head) {
printf ("%s -> %s\n", tp.name, hp.name);
hp = tp;
tp = stk[tp];
}
printf ("%s -> %s\n", tp.name, hp.name);
exit(0);
}
}