1 files changed, 130 insertions, 0 deletions
diff --git a/usr.bin/vi/ex/ex_mkexrc.c b/usr.bin/vi/ex/ex_mkexrc.c
new file mode 100644
index 0000000..095d51e
--- /dev/null
+++ b/usr.bin/vi/ex/ex_mkexrc.c
@@ -0,0 +1,130 @@
+/*-
+ * Copyright (c) 1992, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)ex_mkexrc.c	8.12 (Berkeley) 7/15/94";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+
+#include <bitstring.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+
+#include "compat.h"
+#include <db.h>
+#include <regex.h>
+#include <pathnames.h>
+
+#include "vi.h"
+#include "excmd.h"
+
+/*
+ * ex_mkexrc -- :mkexrc[!] [file]
+ *
+ * Create (or overwrite) a .exrc file with the current info.
+ */
+int
+ex_mkexrc(sp, ep, cmdp)
+	SCR *sp;
+	EXF *ep;
+	EXCMDARG *cmdp;
+{
+	struct stat sb;
+	FILE *fp;
+	int fd, sverrno;
+	char *fname;
+
+	switch (cmdp->argc) {
+	case 0:
+		fname = _PATH_EXRC;
+		break;
+	case 1:
+		fname = cmdp->argv[0]->bp;
+		set_alt_name(sp, fname);
+		break;
+	default:
+		abort();
+	}
+
+	if (!F_ISSET(cmdp, E_FORCE) && !stat(fname, &sb)) {
+		msgq(sp, M_ERR,
+		    "%s exists, not written; use ! to override", fname);
+		return (1);
+	}
+
+	/* Create with max permissions of rw-r--r--. */
+	if ((fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY,
+	    S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) < 0) {
+		msgq(sp, M_SYSERR, fname);
+		return (1);
+	}
+
+	if ((fp = fdopen(fd, "w")) == NULL) {
+		sverrno = errno;
+		(void)close(fd);
+		errno = sverrno;
+		goto e2;
+	}
+
+	if (abbr_save(sp, fp) || ferror(fp))
+		goto e1;
+	if (map_save(sp, fp) || ferror(fp))
+		goto e1;
+	if (opts_save(sp, fp) || ferror(fp))
+		goto e1;
+#ifndef NO_DIGRAPH
+	digraph_save(sp, fd);
+#endif
+	if (fclose(fp))
+		goto e2;
+
+	msgq(sp, M_INFO, "New .exrc file: %s. ", fname);
+	return (0);
+
+e1:	sverrno = errno;
+	(void)fclose(fp);
+	errno = sverrno;
+e2:	msgq(sp, M_ERR, "%s: incomplete: %s", fname, strerror(errno));
+	return (1);
+}