Import of nvi-1.79, minus a few bits that we dont need (eg: postscript

files, curses, db, regex etc that we already have).  The other glue will
follow shortly.

Obtained from: Keith Bostic <bostic@bostic.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/contrib/nvi/ex/ex_stop.c b/contrib/nvi/ex/ex_stop.c
new file mode 100644
index 0000000..bc55fd2
--- /dev/null
+++ b/contrib/nvi/ex/ex_stop.c
@@ -0,0 +1,51 @@
+/*-
+ * Copyright (c) 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ * Copyright (c) 1992, 1993, 1994, 1995, 1996
+ *	Keith Bostic.  All rights reserved.
+ *
+ * See the LICENSE file for redistribution information.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)ex_stop.c	10.10 (Berkeley) 3/6/96";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+
+#include <bitstring.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "../common/common.h"
+
+/*
+ * ex_stop -- :stop[!]
+ *	      :suspend[!]
+ *	Suspend execution.
+ *
+ * PUBLIC: int ex_stop __P((SCR *, EXCMD *));
+ */
+int
+ex_stop(sp, cmdp)
+	SCR *sp;
+	EXCMD *cmdp;
+{
+	int allowed;
+
+	/* For some strange reason, the force flag turns off autowrite. */
+	if (!FL_ISSET(cmdp->iflags, E_C_FORCE) && file_aw(sp, FS_ALL))
+		return (1);
+
+	if (sp->gp->scr_suspend(sp, &allowed))
+		return (1);
+	if (!allowed)
+		ex_emsg(sp, NULL, EXM_NOSUSPEND);
+	return (0);
+}