1 files changed, 52 insertions, 0 deletions
diff --git a/mconnect-io.c b/mconnect-io.c
new file mode 100644
index 0000000..6dce003
--- /dev/null
+++ b/mconnect-io.c
@@ -0,0 +1,52 @@
+#include <signal.h>
+#include "sig.h"
+#include "substdio.h"
+#include "strerr.h"
+#include "readwrite.h"
+#include "exit.h"
+
+char outbuf[512];
+substdio ssout;
+
+char inbuf[512];
+substdio ssin;
+
+int myread(fd,buf,len) int fd; char *buf; int len;
+{
+  substdio_flush(&ssout);
+  return read(fd,buf,len);
+}
+
+void main()
+{
+  int pid;
+  int wstat;
+  char ch;
+
+  sig_pipeignore();
+
+  pid = fork();
+  if (pid == -1) strerr_die2sys(111,"mconnect-io: fatal: ","unable to fork: ");
+
+  if (!pid) {
+    substdio_fdbuf(&ssin,myread,0,inbuf,sizeof inbuf);
+    substdio_fdbuf(&ssout,write,7,outbuf,sizeof outbuf);
+
+    while (substdio_get(&ssin,&ch,1) == 1) {
+      if (ch == '\n') substdio_put(&ssout,"\r",1);
+      substdio_put(&ssout,&ch,1);
+    }
+    _exit(0);
+  }
+
+  substdio_fdbuf(&ssin,myread,6,inbuf,sizeof inbuf);
+  substdio_fdbuf(&ssout,write,1,outbuf,sizeof outbuf);
+
+  while (substdio_get(&ssin,&ch,1) == 1)
+    substdio_put(&ssout,&ch,1);
+
+  kill(pid,SIGTERM);
+  wait_pid(&wstat,pid);
+
+  _exit(0);
+}