From 9fd6bc57a9e0bf348181642cd3dd465aa66a29ab Mon Sep 17 00:00:00 2001
From: Ulf Lilleengen <lulf@FreeBSD.org>
Date: Sun, 19 Oct 2008 08:41:10 +0000
Subject: - Import the HEAD csup code which is the basis for the cvsmode work.

---
 libutil/flopen.c | 106 -------------------------------------------------------
 1 file changed, 106 deletions(-)
 delete mode 100644 libutil/flopen.c

(limited to 'libutil/flopen.c')

diff --git a/libutil/flopen.c b/libutil/flopen.c
deleted file mode 100644
index 23742f7..0000000
--- a/libutil/flopen.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*-
- * Copyright (c) 2007 Dag-Erling Coïdan Smørgrav
- * 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
- *    in this position and unchanged.
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/file.h>
-#include <sys/stat.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdarg.h>
-#include <unistd.h>
-
-#include <libutil.h>
-
-int
-flopen(const char *path, int flags, ...)
-{
-	int fd, operation, serrno, trunc;
-	struct stat sb, fsb;
-	mode_t mode;
-
-#ifdef O_EXLOCK
-	flags &= ~O_EXLOCK;
-#endif
-
-	mode = 0;
-	if (flags & O_CREAT) {
-		va_list ap;
-
-		va_start(ap, flags);
-		mode = va_arg(ap, int); /* mode_t promoted to int */
-		va_end(ap);
-	}
-
-	operation = LOCK_EX;
-	if (flags & O_NONBLOCK)
-		operation |= LOCK_NB;
-
-	trunc = (flags & O_TRUNC);
-	flags &= ~O_TRUNC;
-
-	for (;;) {
-		if ((fd = open(path, flags, mode)) == -1)
-			/* non-existent or no access */
-			return (-1);
-		if (flock(fd, operation) == -1) {
-			/* unsupported or interrupted */
-			serrno = errno;
-			close(fd);
-			errno = serrno;
-			return (-1);
-		}
-		if (stat(path, &sb) == -1) {
-			/* disappeared from under our feet */
-			close(fd);
-			continue;
-		}
-		if (fstat(fd, &fsb) == -1) {
-			/* can't happen [tm] */
-			serrno = errno;
-			close(fd);
-			errno = serrno;
-			return (-1);
-		}
-		if (sb.st_dev != fsb.st_dev ||
-		    sb.st_ino != fsb.st_ino) {
-			/* changed under our feet */
-			close(fd);
-			continue;
-		}
-		if (trunc && ftruncate(fd, 0) != 0) {
-			/* can't happen [tm] */
-			serrno = errno;
-			close(fd);
-			errno = serrno;
-			return (-1);
-		}
-		return (fd);
-	}
-}
-- 
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