1 files changed, 77 insertions, 0 deletions
diff --git a/contrib/nvi/common/cut.h b/contrib/nvi/common/cut.h
new file mode 100644
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--- /dev/null
+++ b/contrib/nvi/common/cut.h
@@ -0,0 +1,77 @@
+/*-
+ * Copyright (c) 1991, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ * Copyright (c) 1991, 1993, 1994, 1995, 1996
+ *	Keith Bostic.  All rights reserved.
+ *
+ * See the LICENSE file for redistribution information.
+ *
+ *	@(#)cut.h	10.5 (Berkeley) 4/3/96
+ */
+
+typedef struct _texth TEXTH;		/* TEXT list head structure. */
+CIRCLEQ_HEAD(_texth, _text);
+
+/* Cut buffers. */
+struct _cb {
+	LIST_ENTRY(_cb) q;		/* Linked list of cut buffers. */
+	TEXTH	 textq;			/* Linked list of TEXT structures. */
+	CHAR_T	 name;			/* Cut buffer name. */
+	size_t	 len;			/* Total length of cut text. */
+
+#define	CB_LMODE	0x01		/* Cut was in line mode. */
+	u_int8_t flags;
+};
+
+/* Lines/blocks of text. */
+struct _text {				/* Text: a linked list of lines. */
+	CIRCLEQ_ENTRY(_text) q;		/* Linked list of text structures. */
+	char	*lb;			/* Line buffer. */
+	size_t	 lb_len;		/* Line buffer length. */
+	size_t	 len;			/* Line length. */
+
+	/* These fields are used by the vi text input routine. */
+	recno_t	 lno;			/* 1-N: file line. */
+	size_t	 cno;			/* 0-N: file character in line. */
+	size_t	 ai;			/* 0-N: autoindent bytes. */
+	size_t	 insert;		/* 0-N: bytes to insert (push). */
+	size_t	 offset;		/* 0-N: initial, unerasable chars. */
+	size_t	 owrite;		/* 0-N: chars to overwrite. */
+	size_t	 R_erase;		/* 0-N: 'R' erase count. */
+	size_t	 sv_cno;		/* 0-N: Saved line cursor. */
+	size_t	 sv_len;		/* 0-N: Saved line length. */
+
+	/*
+	 * These fields returns information from the vi text input routine.
+	 *
+	 * The termination condition.  Note, this field is only valid if the
+	 * text input routine returns success.
+	 *	TERM_BS:	User backspaced over the prompt.
+	 *	TERM_CEDIT:	User entered <edit-char>.
+	 *	TERM_CR:	User entered <carriage-return>; no data.
+	 *	TERM_ESC:	User entered <escape>; no data.
+	 *	TERM_OK:	Data available.
+	 *	TERM_SEARCH:	Incremental search.
+	 */
+	enum {
+	    TERM_BS, TERM_CEDIT, TERM_CR, TERM_ESC, TERM_OK, TERM_SEARCH
+	} term;
+};
+
+/*
+ * Get named buffer 'name'.
+ * Translate upper-case buffer names to lower-case buffer names.
+ */
+#define	CBNAME(sp, cbp, nch) {						\
+	CHAR_T L__name;							\
+	L__name = isupper(nch) ? tolower(nch) : (nch);			\
+	for (cbp = sp->gp->cutq.lh_first;				\
+	    cbp != NULL; cbp = cbp->q.le_next)				\
+		if (cbp->name == L__name)				\
+			break;						\
+}
+
+/* Flags to the cut() routine. */
+#define	CUT_LINEMODE	0x01		/* Cut in line mode. */
+#define	CUT_NUMOPT	0x02		/* Numeric buffer: optional. */
+#define	CUT_NUMREQ	0x04		/* Numeric buffer: required. */