From 6928bcea1545df58c3cda2fecd0d90a27aeee9fe Mon Sep 17 00:00:00 2001
From: james <>
Date: Thu, 7 Feb 2008 01:05:06 +0000
Subject: *** empty log message ***

---
 src/Makefile.am  |   5 +-
 src/ansi.c       |   5 ++
 src/prototypes.h | 132 +++++++++++++++++-----------------
 src/testtty.c    |  85 ----------------------
 src/tty.c        | 215 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 289 insertions(+), 153 deletions(-)
 delete mode 100644 src/testtty.c
 create mode 100644 src/tty.c

diff --git a/src/Makefile.am b/src/Makefile.am
index a163fd0..6cfd221 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -8,6 +8,9 @@
 # $Id$
 #
 # $Log$
+# Revision 1.4  2008/02/07 01:04:16  james
+# *** empty log message ***
+#
 # Revision 1.3  2008/02/07 00:39:13  james
 # *** empty log message ***
 #
@@ -23,7 +26,7 @@
 
 INCLUDES = 
 
-SRCS= ansi.c crt.c html.c libsympathy.c render.c testtty.c version.c vt102.c tty.c
+SRCS= ansi.c crt.c html.c libsympathy.c render.c  version.c vt102.c tty.c
 CPROTO=cproto
 
 SYMPATHYSRCS=${SRCS}
diff --git a/src/ansi.c b/src/ansi.c
index cf92e71..2154413 100644
--- a/src/ansi.c
+++ b/src/ansi.c
@@ -10,6 +10,9 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * Revision 1.10  2008/02/07 01:02:52  james
+ * *** empty log message ***
+ *
  * Revision 1.9  2008/02/07 00:43:27  james
  * *** empty log message ***
  *
@@ -579,8 +582,10 @@ ansi_dispatch (ANSI * a, VT102 * v)
   if (red <= 0)
     return red;
 
+#if 0
   if (*buf == 3)
     return -1;
+#endif
 
   ansi_parse (a, buf, red, v);
 
diff --git a/src/prototypes.h b/src/prototypes.h
index 9418624..c75ddbc 100644
--- a/src/prototypes.h
+++ b/src/prototypes.h
@@ -1,76 +1,74 @@
 /* ansi.c */
-int ansi_read (ANSI * a, void *buf, int n);
-void ansi_write (ANSI * a, char *buf, int n);
-void ansi_getsize (ANSI * a);
-void ansi_move (ANSI * a, CRT_Pos p);
-void ansi_showhide_cursor (ANSI * a, int hide);
-void ansi_force_attr_normal (ANSI * a);
-void ansi_set_attr (ANSI * a, int attr);
-void ansi_render (ANSI * a, CRT_CA ca);
-void ansi_cls (ANSI * a);
-void ansi_draw (ANSI * a, CRT * c);
-void ansi_reset (ANSI * a);
-void ansi_flush_escape (ANSI * a, VT102 * v);
-void ansi_parse_deckey (ANSI * a, VT102 * v);
-void ansi_parse_ansikey (ANSI * a, VT102 * v);
-void ansi_parse_escape (ANSI * a, VT102 * v);
-void ansi_check_escape (ANSI * a, VT102 * v);
-void ansi_parse_char (ANSI * a, int c, VT102 * v);
-void ansi_parse (ANSI * a, char *buf, int len, VT102 * v);
-int ansi_dispatch (ANSI * a, VT102 * v);
+int ansi_read(ANSI *a, void *buf, int n);
+void ansi_write(ANSI *a, char *buf, int n);
+void ansi_getsize(ANSI *a);
+void ansi_move(ANSI *a, CRT_Pos p);
+void ansi_showhide_cursor(ANSI *a, int hide);
+void ansi_force_attr_normal(ANSI *a);
+void ansi_set_attr(ANSI *a, int attr);
+void ansi_render(ANSI *a, CRT_CA ca);
+void ansi_cls(ANSI *a);
+void ansi_draw(ANSI *a, CRT *c);
+void ansi_reset(ANSI *a);
+void ansi_flush_escape(ANSI *a, VT102 *v);
+void ansi_parse_deckey(ANSI *a, VT102 *v);
+void ansi_parse_ansikey(ANSI *a, VT102 *v);
+void ansi_parse_escape(ANSI *a, VT102 *v);
+void ansi_check_escape(ANSI *a, VT102 *v);
+void ansi_parse_char(ANSI *a, int c, VT102 *v);
+void ansi_parse(ANSI *a, char *buf, int len, VT102 *v);
+int ansi_dispatch(ANSI *a, VT102 *v);
 /* crt.c */
-void crt_erase (CRT * c, CRT_Pos s, CRT_Pos e, int ea);
-void crt_cls (CRT * c);
-void crt_scroll_up (CRT * c, CRT_Pos s, CRT_Pos e, int ea);
-void crt_scroll_down (CRT * c, CRT_Pos s, CRT_Pos e, int ea);
-void crt_reset (CRT * c);
-void crt_insert (CRT * c, CRT_CA ca);
+void crt_erase(CRT *c, CRT_Pos s, CRT_Pos e, int ea);
+void crt_cls(CRT *c);
+void crt_scroll_up(CRT *c, CRT_Pos s, CRT_Pos e, int ea);
+void crt_scroll_down(CRT *c, CRT_Pos s, CRT_Pos e, int ea);
+void crt_reset(CRT *c);
+void crt_insert(CRT *c, CRT_CA ca);
 /* html.c */
-void html_entity (FILE * f, int c);
-void html_render (FILE * f, CRT_CA c);
-void html_draw (FILE * f, CRT * c);
+void html_entity(FILE *f, int c);
+void html_render(FILE *f, CRT_CA c);
+void html_draw(FILE *f, CRT *c);
 /* libsympathy.c */
 struct termios old;
-void testy (void);
+void testy(void);
 /* render.c */
-/* testtty.c */
-int open_fd_to_bash (void);
 /* version.c */
 /* vt102.c */
-void vt102_log_line (VT102 * v, int line);
-void vt102_clip_cursor (VT102 * v, CRT_Pos tl, CRT_Pos br);
-void vt102_cursor_normalize (VT102 * v);
-void vt102_cursor_carriage_return (VT102 * v);
-void vt102_cursor_advance_line (VT102 * v);
-void vt102_cursor_advance (VT102 * v);
-void vt102_do_pending_wrap (VT102 * v);
-void vt102_cursor_retard (VT102 * v);
-void vt102_reset_tabs (VT102 * v);
-void vt102_cursor_advance_tab (VT102 * v);
-int vt102_cursor_home (VT102 * v);
-int vt102_cursor_absolute (VT102 * v, int x, int y);
-int vt102_cursor_relative (VT102 * v, int x, int y);
-void vt102_delete_from_line (VT102 * v, CRT_Pos p);
-void vt102_insert_into_line (VT102 * v, CRT_Pos p);
-void vt102_change_mode (VT102 * v, int private, char *ns, int set);
-void vt102_parse_mode_string (VT102 * v, char *buf, int len);
-void vt102_change_attr (VT102 * v, char *na);
-void vt102_parse_attr_string (VT102 * v, char *buf, int len);
-void vt102_save_state (VT102 * v);
-void vt102_restore_state (VT102 * v);
-void vt102_parse_esc (VT102 * v, int c);
-void vt102_parse_csi (VT102 * v, char *buf, int len);
-void vt102_status_line (VT102 * v, char *str);
-void vt102_parse_char (VT102 * v, int c);
-int vt102_parse (VT102 * v, char *buf, int len);
-void vt102_parser_reset (VT102_parser * p);
-void vt102_send (VT102 * v, uint8_t key);
-void vt102_reset (VT102 * v);
-int vt102_dispatch (VT102 * v);
-VT102 *vt102_new (TTY * t);
-void vt102_free (VT102 * v);
+void vt102_log_line(VT102 *v, int line);
+void vt102_clip_cursor(VT102 *v, CRT_Pos tl, CRT_Pos br);
+void vt102_cursor_normalize(VT102 *v);
+void vt102_cursor_carriage_return(VT102 *v);
+void vt102_cursor_advance_line(VT102 *v);
+void vt102_cursor_advance(VT102 *v);
+void vt102_do_pending_wrap(VT102 *v);
+void vt102_cursor_retard(VT102 *v);
+void vt102_reset_tabs(VT102 *v);
+void vt102_cursor_advance_tab(VT102 *v);
+int vt102_cursor_home(VT102 *v);
+int vt102_cursor_absolute(VT102 *v, int x, int y);
+int vt102_cursor_relative(VT102 *v, int x, int y);
+void vt102_delete_from_line(VT102 *v, CRT_Pos p);
+void vt102_insert_into_line(VT102 *v, CRT_Pos p);
+void vt102_change_mode(VT102 *v, int private, char *ns, int set);
+void vt102_parse_mode_string(VT102 *v, char *buf, int len);
+void vt102_change_attr(VT102 *v, char *na);
+void vt102_parse_attr_string(VT102 *v, char *buf, int len);
+void vt102_save_state(VT102 *v);
+void vt102_restore_state(VT102 *v);
+void vt102_parse_esc(VT102 *v, int c);
+void vt102_parse_csi(VT102 *v, char *buf, int len);
+void vt102_status_line(VT102 *v, char *str);
+void vt102_parse_char(VT102 *v, int c);
+int vt102_parse(VT102 *v, char *buf, int len);
+void vt102_parser_reset(VT102_parser *p);
+void vt102_send(VT102 *v, uint8_t key);
+void vt102_reset(VT102 *v);
+int vt102_dispatch(VT102 *v);
+VT102 *vt102_new(TTY *t);
+void vt102_free(VT102 *v);
 /* tty.c */
-TTY *tty_new_test (void);
-int tty_read (TTY * t, void *buf, int len);
-int tty_write (TTY * t, void *buf, int len);
-void tty_free (TTY * t);
+TTY *tty_new_test(void);
+int tty_read(TTY *t, void *buf, int len);
+int tty_write(TTY *t, void *buf, int len);
+void tty_free(TTY *t);
diff --git a/src/testtty.c b/src/testtty.c
deleted file mode 100644
index 11d3ac2..0000000
--- a/src/testtty.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * testtty.c:
- *
- * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
- * All rights reserved.
- *
- */
-
-static char rcsid[] = "$Id$";
-
-/*
- * $Log$
- * Revision 1.3  2008/02/06 17:53:28  james
- * *** empty log message ***
- *
- * Revision 1.2  2008/02/04 02:05:06  james
- * *** empty log message ***
- *
- * Revision 1.1  2008/02/04 01:32:39  james
- * *** empty log message ***
- *
- */
-
-#include "project.h"
-
-static void
-default_termios (struct termios *termios)
-{
-
-  memset (termios, 0, sizeof (termios));
-
-  termios->c_iflag = ICRNL | IXON;
-  termios->c_oflag = OPOST | ONLCR | NL0 | CR0 | TAB0 | BS0 | VT0 | FF0;
-  termios->c_lflag =
-    ISIG | ICANON | IEXTEN | ECHO | ECHOE | ECHOK | ECHOCTL | ECHOKE;
-
-  termios->c_cc[VINTR] = 003;
-  termios->c_cc[VQUIT] = 034;
-  termios->c_cc[VERASE] = 0177;
-  termios->c_cc[VKILL] = 025;
-  termios->c_cc[VEOF] = 004;
-  termios->c_cc[VEOL] = 0;
-  termios->c_cc[VEOL2] = 0;
-  termios->c_cc[VSTART] = 021;
-  termios->c_cc[VSTOP] = 023;
-  termios->c_cc[VSUSP] = 032;
-  termios->c_cc[VLNEXT] = 026;
-  termios->c_cc[VWERASE] = 027;
-  termios->c_cc[VREPRINT] = 022;
-  termios->c_cc[VDISCARD] = 017;
-
-  termios->c_cflag = CS8 | CREAD | CLOCAL;
-
-  cfsetispeed (termios, B9600);
-  cfsetospeed (termios, B9600);
-}
-
-
-int
-open_fd_to_bash (void)          /*thump */
-{
-  pid_t child;
-  int fd;
-  struct winsize winsize = { 0 };
-  struct termios termios;
-
-  default_termios (&termios);
-
-  winsize.ws_row = VT102_ROWS;
-  winsize.ws_col = VT102_COLS;
-
-  child = forkpty (&fd, NULL, &termios, &winsize);
-
-  switch (child)
-    {
-    case -1:                   /*boo hiss */
-      return -1;
-    case 0:                    /*waaah */
-      setenv ("TERM", "vt102", 1);
-      execl ("/bin/sh", "-", (char *) 0);
-      _exit (-1);
-    }
-
-  return fd;
-}
diff --git a/src/tty.c b/src/tty.c
new file mode 100644
index 0000000..adee8bf
--- /dev/null
+++ b/src/tty.c
@@ -0,0 +1,215 @@
+/*
+ * testtty.c:
+ *
+ * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
+ * All rights reserved.
+ *
+ */
+
+static char rcsid[] = "$Id$";
+
+/*
+ * $Log$
+ * Revision 1.1  2008/02/07 01:02:52  james
+ * *** empty log message ***
+ *
+ * Revision 1.3  2008/02/06 17:53:28  james
+ * *** empty log message ***
+ *
+ * Revision 1.2  2008/02/04 02:05:06  james
+ * *** empty log message ***
+ *
+ * Revision 1.1  2008/02/04 01:32:39  james
+ * *** empty log message ***
+ *
+ */
+
+#include "project.h"
+
+static void
+set_nonblocking (int fd)
+{
+  long arg;
+  arg = fcntl (fd, F_GETFL, arg);
+  arg |= O_NONBLOCK;
+  fcntl (fd, F_SETFL, arg);
+}
+
+static void
+set_blocking (int fd)
+{
+  long arg;
+  arg = fcntl (fd, F_GETFL, arg);
+  arg &= ~O_NONBLOCK;
+  fcntl (fd, F_SETFL, arg);
+}
+
+static void
+default_termios (struct termios *termios)
+{
+
+  memset (termios, 0, sizeof (termios));
+
+  termios->c_iflag = ICRNL | IXON;
+  termios->c_oflag = OPOST | ONLCR | NL0 | CR0 | TAB0 | BS0 | VT0 | FF0;
+  termios->c_lflag =
+    ISIG | ICANON | IEXTEN | ECHO | ECHOE | ECHOK | ECHOCTL | ECHOKE;
+
+  termios->c_cc[VINTR] = 003;
+  termios->c_cc[VQUIT] = 034;
+  termios->c_cc[VERASE] = 0177;
+  termios->c_cc[VKILL] = 025;
+  termios->c_cc[VEOF] = 004;
+  termios->c_cc[VEOL] = 0;
+  termios->c_cc[VEOL2] = 0;
+  termios->c_cc[VSTART] = 021;
+  termios->c_cc[VSTOP] = 023;
+  termios->c_cc[VSUSP] = 032;
+  termios->c_cc[VLNEXT] = 026;
+  termios->c_cc[VWERASE] = 027;
+  termios->c_cc[VREPRINT] = 022;
+  termios->c_cc[VDISCARD] = 017;
+
+  termios->c_cflag = CS8 | CREAD | CLOCAL;
+
+  cfsetispeed (termios, B9600);
+  cfsetospeed (termios, B9600);
+}
+
+
+static int
+open_fd_to_bash (void)          /*thump */
+{
+  pid_t child;
+  int fd;
+  struct winsize winsize = { 0 };
+  struct termios termios;
+
+  default_termios (&termios);
+
+  winsize.ws_row = VT102_ROWS;
+  winsize.ws_col = VT102_COLS;
+
+  child = forkpty (&fd, NULL, &termios, &winsize);
+
+  switch (child)
+    {
+    case -1:                   /*boo hiss */
+      return -1;
+    case 0:                    /*waaah */
+      setenv ("TERM", "vt102", 1);
+      execl ("/bin/sh", "-", (char *) 0);
+      _exit (-1);
+    }
+
+  return fd;
+}
+
+
+TTY *
+tty_new_test (void)
+{
+  TTY *t;
+  t = (TTY *) malloc (sizeof (TTY));
+  t->fd = open_fd_to_bash ();
+
+  set_nonblocking (t->fd);
+
+  return t;
+}
+
+static int
+wrap_read (int fd, void *buf, int len)
+{
+  int red;
+
+  red = read (fd, buf, len);
+  if (!red)
+    return -1;
+
+  if ((red < 0) && (errno == EAGAIN))
+    red = 0;
+
+  return red;
+}
+
+static int
+wrap_write (int fd, void *buf, int len)
+{
+  int writ;
+
+  writ = write (fd, buf, len);
+  if (!writ)
+    return -1;
+
+  if ((writ < 0) && (errno == -EAGAIN))
+    writ = 0;
+
+  return writ;
+}
+
+int
+tty_read (TTY * t, void *buf, int len)
+{
+  int red, done = 0;
+
+
+  do
+    {
+
+      red = wrap_read (t->fd, buf, len);
+      if (red < 0)
+        return -1;
+      if (!red)
+        return done;
+
+      buf += red;
+      len -= red;
+      done += red;
+    }
+  while (len);
+
+
+  return done;
+}
+
+
+int
+tty_write (TTY * t, void *buf, int len)
+{
+  int writ, done = 0;
+
+#if 0
+  {
+    int i;
+    uint8_t *p = buf;
+    for (i = 0; i < len; ++i)
+      fprintf (stderr, "vw: %03o %c\n", p[i], p[i] > 31 ? p[i] : 32);
+  }
+#endif
+
+  do
+    {
+
+      writ = wrap_write (t->fd, buf, len);
+      if (writ < 0)
+        return -1;
+      if (!writ)
+        sleep (1);
+
+      buf += writ;
+      len -= writ;
+      done += writ;
+    }
+  while (len);
+
+
+  return done;
+}
+
+void
+tty_free (TTY * t)
+{
+  close (t->fd);
+  free (t);
+}
-- 
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