1 files changed, 62 insertions, 0 deletions
diff --git a/share/hackvr/examples/hackvr_term/pty.c b/share/hackvr/examples/hackvr_term/pty.c
new file mode 100644
index 0000000..1011e38
--- /dev/null
+++ b/share/hackvr/examples/hackvr_term/pty.c
@@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/wait.h>
+
+int main(int argc,char *argv[]) {
+  char *pts;
+  char in[256];//I dunno.
+  int r;
+  int pid;
+  int master,slave;
+  master=open("/dev/ptmx",O_RDWR);
+  if(master == -1) return 1;
+  pts=ptsname(master);
+//  printf("%s\n",pts);
+//  system("ls -l /dev/pts/*");
+  grantpt(master);
+  unlockpt(master);
+//  system("ls -l /dev/pts/*");
+  if(pts == NULL) return 2;
+  slave=open(pts,O_RDWR);
+  if(slave == -1) {
+   perror("open");
+   return 3;
+  }
+  argv++;
+  fcntl(master,F_SETFL,O_NONBLOCK);
+//  fcntl(slave,F_SETFL,O_NONBLOCK);
+  fcntl(0,F_SETFL,O_NONBLOCK);
+  fcntl(1,F_SETFL,O_NONBLOCK);
+  fcntl(2,F_SETFL,O_NONBLOCK);
+  switch(pid=fork()) {
+    case -1:
+      return 4;//fork failed
+    case 0://child
+      setsid();
+      close(master);
+      dup2(slave,0);
+      dup2(slave,1);
+      dup2(slave,2);
+      execv(argv[0],argv);//execute arguments.
+      return 5;//exec failed
+    default:
+      break;
+  }
+  for(;;) {
+    if(waitpid(-1,0,WNOHANG) > 0) {
+      return 0;//fuck if I know.
+      //we got a dead child. let's bail.
+    }
+    switch(r=read(0,&in,1)) {
+     case 0: return 6;//EOF
+     case -1: break;//EAGAIN probably.
+     default: write(master,in,r);
+    }
+    switch(r=read(master,&in,1)) {
+     case 0: return 7;//EOF
+     case -1: break;//EAGAIN probably
+     default: write(1,in,r);
+    }
+    usleep(100);//kek
+  }
+}