Signed-off-by: Stanislav Kholmanskikh <[email protected]>
---
include/test.h | 10 +++++++
lib/tst_fill_file.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 81 insertions(+), 0 deletions(-)
create mode 100644 lib/tst_fill_file.c
diff --git a/include/test.h b/include/test.h
index 991269e..d9eba31 100644
--- a/include/test.h
+++ b/include/test.h
@@ -249,6 +249,16 @@ void tst_run_cmd(void (cleanup_fn)(void),
void tst_mkfs(void (cleanup_fn)(void), const char *dev,
const char *fs_type, const char *fs_opts);
+/* lib/tst_fill_file.c
+ *
+ * Creates/ovewrites a file with specified pattern
+ * @path: path to file
+ * @pattern: pattern
+ * @bs: block size
+ * @bcount: blocks amount
+ */
+int tst_fill_file(const char *path, char pattern, size_t bs, size_t bcount);
+
#ifdef TST_USE_COMPAT16_SYSCALL
#define TCID_BIT_SUFFIX "_16"
#elif TST_USE_NEWER64_SYSCALL
diff --git a/lib/tst_fill_file.c b/lib/tst_fill_file.c
new file mode 100644
index 0000000..1827322
--- /dev/null
+++ b/lib/tst_fill_file.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Author: Stanislav Kholmanskikh <[email protected]>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "test.h"
+
+int tst_fill_file(const char *path, char pattern, size_t bs, size_t bcount)
+{
+ int fd, counter;
+ char *buf;
+
+ fd = open(path, O_CREAT|O_WRONLY|O_TRUNC, S_IRUSR|S_IWUSR);
+ if (fd < 0)
+ return -1;
+
+ /* Filling a memory buffer with provided pattern */
+ buf = malloc(bs);
+ if (buf == NULL) {
+ close(fd);
+
+ return -1;
+ }
+
+ for (counter = 0; counter < bs; counter++)
+ buf[counter] = pattern;
+
+ /* Filling the file */
+ for (counter = 0; counter < bcount; counter++) {
+ if (write(fd, buf, bs) != bs) {
+ free(buf);
+ close(fd);
+ unlink(path);
+
+ return -1;
+ }
+ }
+
+ free(buf);
+
+ if (close(fd) < 0) {
+ unlink(path);
+
+ return -1;
+ }
+
+ return 0;
+}
--
1.7.1
------------------------------------------------------------------------------
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