/*
- * Copyright (C) 2020 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by the
- * Free Software Foundation; version 2.1 of the License.
+ * SPDX-License-Identifier: LGPL-2.1-only
*
- * This library is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <common/fs-handle.h>
#include <common/fs-handle-internal.h>
+#include <common/fs-handle.h>
+#include <common/readwrite.h>
LTTNG_HIDDEN
int fs_handle_get_fd(struct fs_handle *handle)
{
return handle->close(handle);
}
+
+LTTNG_HIDDEN
+ssize_t fs_handle_read(struct fs_handle *handle, void *buf, size_t count)
+{
+ ssize_t ret;
+ const int fd = fs_handle_get_fd(handle);
+
+ if (fd < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = lttng_read(fd, buf, count);
+ fs_handle_put_fd(handle);
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+ssize_t fs_handle_write(struct fs_handle *handle, const void *buf, size_t count)
+{
+ ssize_t ret;
+ const int fd = fs_handle_get_fd(handle);
+
+ if (fd < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = lttng_write(fd, buf, count);
+ fs_handle_put_fd(handle);
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int fs_handle_truncate(struct fs_handle *handle, off_t offset)
+{
+ int ret;
+ const int fd = fs_handle_get_fd(handle);
+
+ if (fd < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = ftruncate(fd, offset);
+ fs_handle_put_fd(handle);
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int fs_handle_seek(struct fs_handle *handle, off_t offset, int whence)
+{
+ int ret;
+ const int fd = fs_handle_get_fd(handle);
+
+ if (fd < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = lseek(fd, offset, whence);
+ fs_handle_put_fd(handle);
+end:
+ return ret;
+}