From e82452f216871ce9450f2318810dfd554df8c839 Mon Sep 17 00:00:00 2001
From: Kelvin Sherlock <ksherlock@gmail.com>
Date: Thu, 10 May 2018 11:26:30 -0400
Subject: [PATCH] updates

---
 darlene.c | 131 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 main.c    |  36 ++++++++++-----
 2 files changed, 156 insertions(+), 11 deletions(-)
 create mode 100644 darlene.c

diff --git a/darlene.c b/darlene.c
new file mode 100644
index 0000000..ff5334d
--- /dev/null
+++ b/darlene.c
@@ -0,0 +1,131 @@
+/*
+ * The original concept. Not the original code :)
+ *
+ */
+
+#include <texttool.h>
+#include <gsos.h>
+#include <Event.h>
+#include <fcntl.h>
+#include <Locator.h>
+#include <Memory.h>
+
+
+#include <sgtty.h>
+#include <libutil.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/ioctl.h>
+#include <sys/ioctl.compat.h>
+
+
+int 
+openpty2(int *amaster, int *aslave, char *name, struct sgttyb *sg, struct winsize *winp) {
+
+	char ptyname[] = ".ptyq0";
+	char ttyname[] = ".ttyq0";
+
+	int master;
+	int slave;
+	unsigned i;
+	for (i = 0; i < 16; ++i) {
+		ptyname[5] = ttyname[5] = "0123456789abcdef"[i];
+		master = open(ptyname, O_RDWR);
+		if (master < 0) continue;
+
+		slave = open(ttyname, O_RDRW);
+		if (slave < 0) {
+			close(master);
+			continue;
+		}
+
+
+		*amaster = master;
+		*aslave = slave;
+
+		if (name) strcpy(name, ttyname);
+		if (sg) stty(slave, sg);
+		if (winp) ioctl(slave, TIOCSWINSZ, (char *)winp);
+
+		return 0;
+	}
+	errno = ENOENT;
+	return -1;
+}
+
+
+
+#pragma databank 1
+static int _child(int master, int slave) {
+
+	close(master);
+
+	logintty(slave);
+
+	execve(":bin:gsh", "gsh -f");
+	write(slave, "Unable to exec.\r\n", 27);
+	close(slave);
+	return 1;
+}
+#pragma databank 0
+
+int
+forkpty2(int *amaster, char *name, struct sgttyb *sg, struct winsize *winp) {
+
+	int ok;
+	int master, slave, pid;
+
+	ok = openpty2(&master, &slave, name, sg, winp);
+	if (ok < 0) return -1;
+
+	pid = fork2(_child, 256, 0, NULL, 4, master, slave);
+	if (pid < 0) {
+		close(master);
+		close(slave);
+		return -1;
+	}
+	close(slave);
+	return pid;
+}
+
+#pragma databank 1
+static void sigchild(int sig, int x) {
+	PostEvent(0x8000,0);
+}
+#pragma databank 0
+
+int main(int argc, char **argv) {
+
+	int fd;
+	int pid;
+
+
+	signal(SIGCHLD,sigchild);
+	pid = forkpty2(&fd, NULL, NULL, NULL);
+	if ( pid < 0) {
+		ErrWriteCString("Unable to forkpty.\r\n");
+		return 1;
+	}
+
+	for(;;) {
+		int fio = 0;
+		ioctl(fd, FIONREAD, &fio);
+		if (fio > 256) fio = 256;
+		if (fio > 0) {
+			fio = read(fd, buffer, fio);
+			if (fio > 0) vt100_process(buffer, fio);
+		}
+		GetNextEvent(...);
+
+
+		if (fio <= 0) {
+			union wait wt;
+			ok = waitpid(pid, &wt, WNOHANG);
+			if (ok <= 0)
+		}
+		asm { cop 0x7f }
+	}
+
+	if (fd >= 0) close(fd);
+	return 0;
+}
\ No newline at end of file
diff --git a/main.c b/main.c
index 2f6b08c..38dac19 100644
--- a/main.c
+++ b/main.c
@@ -194,6 +194,30 @@ int main(int argc, char **argv) {
 	kernStatus();
 	if (!_toolErr) __gno = true;
 
+
+	// todo:keypad flag of some sort?
+	for (i = 1; i < argv; ++i) {
+		char *cp = argv[i];
+		if (cp[0] != '-') break;
+		if (strcmp(cp, "--vt52") == 0) {
+
+		} else if (strcmp(cp, "--vt100") == 0) {
+
+		} else {
+			ErrWriteCString("Unknown option: ");
+			ErrWriteCString(cp);
+			ErrWriteCString("\r\n");
+			return 1;
+		}
+	}
+	argv += i;
+	argc -= i;
+
+	if (argc != 1) {
+		ErrWriteCString("Usage: marlene host[:port]\r\n");
+		return 1;
+	}
+
 	TextStartUp();
 	SetOutputDevice(1,3);
 	SetOutGlobals(0x7f, 0);
@@ -219,14 +243,6 @@ int main(int argc, char **argv) {
 	EMStartUp((Word)*dpHandle, 0x14, 0, 0, 0, 0, MyID);
 
 
-	// todo: -vt52 -> start in vt52 mode (DECANM = 0)
-	// todo:keypad flag of some sort?
-
-	if (argc != 2) {
-		ErrWriteCString("Usage: marlene host[:port]\r\n");
-		goto _exit;
-	}
-
 	screen_init();
 
 	vt100_init();
@@ -261,7 +277,7 @@ int main(int argc, char **argv) {
 	}
 	// marinetti is now connected
 
-	if (!ResolveHost(argv[1], &cvt)) {
+	if (!ResolveHost(argv[0], &cvt)) {
 		display_cstr("Unable to resolve address.\r\n");
 		goto _exit;
 	}
@@ -287,8 +303,6 @@ int main(int argc, char **argv) {
 
 	telnet_init();
 
-	//fd = open ("tcp.log", O_TRUNC | O_WRONLY | O_CREAT, 0777);
-
 	for(;;) {
 		static rrBuff rr;