1 files changed, 101 insertions, 0 deletions
diff --git a/contrib/nvi/ex/ex_mkexrc.c b/contrib/nvi/ex/ex_mkexrc.c
new file mode 100644
index 0000000..0eb15d4
--- /dev/null
+++ b/contrib/nvi/ex/ex_mkexrc.c
@@ -0,0 +1,101 @@
+/*-
+ * Copyright (c) 1992, 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_mkexrc.c	10.11 (Berkeley) 3/6/96";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <sys/stat.h>
+
+#include <bitstring.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "../common/common.h"
+#include "pathnames.h"
+
+/*
+ * ex_mkexrc -- :mkexrc[!] [file]
+ *
+ * Create (or overwrite) a .exrc file with the current info.
+ *
+ * PUBLIC: int ex_mkexrc __P((SCR *, EXCMD *));
+ */
+int
+ex_mkexrc(sp, cmdp)
+	SCR *sp;
+	EXCMD *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 (!FL_ISSET(cmdp->iflags, E_C_FORCE) && !stat(fname, &sb)) {
+		msgq_str(sp, M_ERR, fname,
+		    "137|%s exists, not written; use ! to override");
+		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_str(sp, M_SYSERR, fname, "%s");
+		return (1);
+	}
+
+	if ((fp = fdopen(fd, "w")) == NULL) {
+		sverrno = errno;
+		(void)close(fd);
+		goto e2;
+	}
+
+	if (seq_save(sp, fp, "abbreviate ", SEQ_ABBREV) || ferror(fp))
+		goto e1;
+	if (seq_save(sp, fp, "map ", SEQ_COMMAND) || ferror(fp))
+		goto e1;
+	if (seq_save(sp, fp, "map! ", SEQ_INPUT) || ferror(fp))
+		goto e1;
+	if (opts_save(sp, fp) || ferror(fp))
+		goto e1;
+	if (fclose(fp)) {
+		sverrno = errno;
+		goto e2;
+	}
+
+	msgq_str(sp, M_INFO, fname, "138|New exrc file: %s");
+	return (0);
+
+e1:	sverrno = errno;
+	(void)fclose(fp);
+e2:	errno = sverrno;
+	msgq_str(sp, M_SYSERR, fname, "%s");
+	return (1);
+}