X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/2b84abb596f52ab2068d52108adc96838ad4340a..31cef89cb428866f787983e68246030321893df4:/usr/src/cmd/ex/ex.h

diff --git a/usr/src/cmd/ex/ex.h b/usr/src/cmd/ex/ex.h
index 9493541ce1..0a7cbb6904 100644
--- a/usr/src/cmd/ex/ex.h
+++ b/usr/src/cmd/ex/ex.h
@@ -1,10 +1,11 @@
-/* Copyright (c) 1979 Regents of the University of California */
+/* Copyright (c) 1980 Regents of the University of California */
+/* sccs id:	@(#)ex.h	6.1 10/18/80  */
 #ifdef V6
 #include <retrofit.h>
 #endif
 
 /*
- * Ex version 3.1
+ * Ex version 3 (see exact version in ex_cmds.c, search for /Version/)
  *
  * Mark Horton, UC Berkeley
  * Bill Joy, UC Berkeley
@@ -29,25 +30,40 @@
  *
  * Please forward bug reports to
  *
- *	Bill Joy
+ *	Mark Horton
  *	Computer Science Division, EECS
  *	EVANS HALL
  *	U.C. Berkeley 94704
  *	(415) 642-4948
  *	(415) 642-1024 (dept. office)
  *
- * or to wnj@mit-mc on the ARPA-net.  I would particularly like to hear
+ * or to csvax.mark@berkeley on the ARPA-net.  I would particularly like to hear
  * of additional terminal descriptions you add to the termcap data base.
  */
 
 #include <sys/types.h>
 #include <ctype.h>
 #include <errno.h>
-#include <sgtty.h>
 #include <signal.h>
 #include <setjmp.h>
 #include <sys/stat.h>
 
+/*
+ *	The following little dance copes with the new USG tty handling.
+ *	This stuff has the advantage of considerable flexibility, and
+ *	the disadvantage of being incompatible with anything else.
+ *	The presence of the symbol USG3TTY will indicate the new code:
+ *	in this case, we define CBREAK (because we can simulate it exactly),
+ *	but we won't actually use it, so we set it to a value that will
+ *	probably blow the compilation if we goof up.
+ */
+#ifdef USG3TTY
+#include <termio.h>
+#define CBREAK xxxxx
+#else
+#include <sgtty.h>
+#endif
+
 extern	int errno;
 
 #ifndef VMUNIX
@@ -108,11 +124,11 @@ struct	option options[NOPTS + 1];
 #	undef	putchar
 #	undef	getchar
 #else
-#ifdef	VMUNIX
+# ifdef	VMUNIX
 #	define	BUFSIZ	1024
-#else
+# else
 #	define	BUFSIZ	512
-#endif
+# endif
 #	define	NULL	0
 #	define	EOF	-1
 #endif
@@ -142,6 +158,9 @@ int	chng;			/* Warn "No write" */
 char	*Command;
 short	defwind;		/* -w# change default window size */
 int	dirtcnt;		/* When >= MAXDIRT, should sync temporary */
+#ifdef TIOCLGET
+bool	dosusp;			/* Do SIGTSTP in visual when ^Z typed */
+#endif
 bool	edited;			/* Current file is [Edited] */
 line	*endcore;		/* Last available core location */
 bool	endline;		/* Last cmd mode command ended with \n */
@@ -154,6 +173,7 @@ char	genbuf[LBSIZE];		/* Working buffer when manipulating linebuf */
 bool	hush;			/* Command line option - was given, hush up! */
 char	*globp;			/* (Untyped) input string to command mode */
 bool	holdcm;			/* Don't cursor address */
+bool	inappend;		/* in ex command append mode */
 bool	inglobal;		/* Inside g//... or v//... */
 char	*initev;		/* Initial : escape for visual */
 bool	inopen;			/* Inside open or visual */
@@ -173,6 +193,7 @@ line	names['z'-'a'+2];	/* Mark registers a-z,' */
 int	notecnt;		/* Count for notify (to visual from cmd) */
 bool	numberf;		/* Command should run in number mode */
 char	obuf[BUFSIZ];		/* Buffer for tty output */
+short	oprompt;		/* Saved during source */
 short	ospeed;			/* Output speed (from gtty) */
 int	otchng;			/* Backup tchng to find changes in macros */
 short	peekc;			/* Peek ahead character (cmd mode input) */
@@ -183,18 +204,25 @@ int	ppid;			/* Process id of parent (e.g. main ex proc) */
 jmp_buf	resetlab;		/* For error throws to top level (cmd mode) */
 int	rpid;			/* Pid returned from wait() */
 bool	ruptible;		/* Interruptible is normal state */
+bool	seenprompt;		/* 1 if have gotten user input */
 bool	shudclob;		/* Have a prompt to clobber (e.g. on ^D) */
 int	status;			/* Status returned from wait() */
 int	tchng;			/* If nonzero, then [Modified] */
 short	tfile;			/* Temporary file unit */
 bool	vcatch;			/* Want to catch an error (open/visual) */
 jmp_buf	vreslab;		/* For error throws to a visual catch */
+bool	writing;		/* 1 if in middle of a file write */
 int	xchng;			/* Suppresses multiple "No writes" in !cmd */
 
 /*
  * Macros
  */
 #define	CP(a, b)	(ignore(strcpy(a, b)))
+			/*
+			 * FIXUNDO: do we want to mung undo vars?
+			 * Usually yes unless in a macro or global.
+			 */
+#define FIXUNDO		(inopen >= 0 && (inopen || !inglobal))
 #define ckaw()		{if (chng && value(AUTOWRITE)) wop(0);}
 #define	copy(a,b,c)	Copy((char *) a, (char *) b, c)
 #define	eq(a, b)	((a) && (b) && strcmp(a, b) == 0)
@@ -217,9 +245,9 @@ int	xchng;			/* Suppresses multiple "No writes" in !cmd */
  * Environment like memory
  */
 char	altfile[FNSIZE];	/* Alternate file name */
-char	direct[32];		/* Temp file goes here */
-char	shell[32];		/* Copied to be settable */
-char	ttytype[16];		/* A long and pretty name */
+char	direct[ONMSZ];		/* Temp file goes here */
+char	shell[ONMSZ];		/* Copied to be settable */
+char	ttytype[ONMSZ];		/* A long and pretty name */
 char	uxb[UXBSIZE + 2];	/* Last !command for !! */
 
 /*
@@ -271,6 +299,22 @@ line	*undadot;		/* If we saved all lines, dot reverts here */
 #define	UNDNONE		3
 #define	UNDPUT		4
 
+#ifdef CRYPT
+/*
+ * Various miscellaneous flags and buffers needed by the encryption routines.
+ */
+#define	KSIZE   9       /* key size for encryption */
+#define	KEYPROMPT       "Key: "
+int	xflag;		/* True if we are in encryption mode */
+int	xtflag;		/* True if the temp file is being encrypted */
+int	kflag;		/* True if the key has been accepted */
+char	perm[768];
+char	tperm[768];
+char	*key;
+char	crbuf[CRSIZE];
+char	*getpass();
+#endif
+
 /*
  * Function type definitions
  */
@@ -328,6 +372,7 @@ int	numbline();
 int	(*oldquit)();
 int	onhup();
 int	onintr();
+int	onsusp();
 int	putch();
 int	shift();
 int	termchar();