1 files changed, 84 insertions, 0 deletions
diff --git a/contrib/sort/tmp.c b/contrib/sort/tmp.c
new file mode 100644
index 0000000..d8476d6
--- /dev/null
+++ b/contrib/sort/tmp.c
@@ -0,0 +1,84 @@
+/*	$NetBSD: tmp.c,v 1.8 2001/02/23 08:59:49 jdolecek Exp $	*/
+
+/*-
+ * Copyright (c) 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Peter McIlroy.
+ *
+ * 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.
+ */
+
+#include <ctype.h>
+
+#ifndef lint
+__RCSID("$NetBSD: tmp.c,v 1.8 2001/02/23 08:59:49 jdolecek Exp $");
+__SCCSID("@(#)tmp.c	8.1 (Berkeley) 6/6/93");
+#endif /* not lint */
+
+#include <sys/param.h>
+
+#include <err.h>
+#include <errno.h>
+#include <limits.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "sort.h"
+#include "pathnames.h"
+
+#define _NAME_TMP "sort.XXXXXXXX"
+
+FILE *
+ftmp()
+{
+	sigset_t set, oset;
+	FILE *fp;
+	int fd;
+	char pathb[MAXPATHLEN], *path;
+
+	path = pathb;
+	(void)snprintf(path, sizeof(pathb), "%s%s%s", tmpdir,
+		       (tmpdir[strlen(tmpdir)-1] != '/') ? "/" : "", _NAME_TMP);
+
+	sigfillset(&set);
+	(void)sigprocmask(SIG_BLOCK, &set, &oset);
+	if ((fd = mkstemp(path)) < 0)
+		err(2, "ftmp: mkstemp(\"%s\")", path);
+	if (!(fp = fdopen(fd, "w+")))
+		err(2, "ftmp: fdopen(\"%s\")", path);
+	(void)unlink(path);
+
+	(void)sigprocmask(SIG_SETMASK, &oset, NULL);
+	return (fp);
+}