1 files changed, 83 insertions, 0 deletions
diff --git a/tests/zfs-tests/cmd/file/file_check.c b/tests/zfs-tests/cmd/file/file_check.c
new file mode 100644
index 000000000..c93b56f45
--- /dev/null
+++ b/tests/zfs-tests/cmd/file/file_check.c
@@ -0,0 +1,83 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include "file_common.h"
+
+static unsigned char bigbuffer[BIGBUFFERSIZE];
+
+/*
+ * Given a filename, check that the file consists entirely
+ * of a particular pattern. If the pattern is not specified a
+ * default will be used. For default values see file_common.h
+ */
+int
+main(int argc, char **argv)
+{
+	int		bigfd;
+	long		i, n;
+	unsigned char	fillchar = DATA;
+	int		bigbuffersize = BIGBUFFERSIZE;
+
+	/*
+	 * Validate arguments
+	 */
+	if (argc < 2) {
+		(void) printf("Usage: %s filename [pattern]\n",
+		    argv[0]);
+		exit(1);
+	}
+
+	if (argv[2]) {
+		fillchar = atoi(argv[2]);
+	}
+
+	/*
+	 * Read the file contents and check every character
+	 * against the supplied pattern. Abort if the
+	 * pattern check fails.
+	 */
+	if ((bigfd = open(argv[1], O_RDONLY)) == -1) {
+		(void) printf("open %s failed %d\n", argv[1], errno);
+		exit(1);
+	}
+
+	do {
+		if ((n = read(bigfd, &bigbuffer, bigbuffersize)) == -1) {
+			(void) printf("read failed (%ld), %d\n", n, errno);
+			exit(errno);
+		}
+
+		for (i = 0; i < n; i++) {
+			if (bigbuffer[i] != fillchar) {
+				(void) printf("error %s: 0x%x != 0x%x)\n",
+				    argv[1], bigbuffer[i], fillchar);
+				exit(1);
+			}
+		}
+	} while (n == bigbuffersize);
+
+	return (0);
+}