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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2019 Cyril Hrubis <chrubis@suse.cz>
*/
#ifndef TST_BUFFERS_H__
#define TST_BUFFERS_H__
/*
* Buffer description consist of a pointer to a pointer and buffer type/size
* encoded as a different structure members.
*
* Only one of the size and iov_sizes can be set at a time.
*/
struct tst_buffers {
/*
* This pointer points to a buffer pointer.
*/
void *ptr;
/*
* Buffer size.
*/
size_t size;
/*
* Array of iov buffer sizes terminated by -1.
*/
int *iov_sizes;
};
/*
* Allocates buffers based on the tst_buffers structure.
*
* @bufs NULL terminated array of test buffer descriptions.
*
* This is called from the test library if the tst_test->bufs pointer is set.
*/
void tst_buffers_alloc(struct tst_buffers bufs[]);
/*
* strdup() that callls tst_alloc().
*/
char *tst_strdup(const char *str);
/*
* Allocates size bytes, returns pointer to the allocated buffer.
*/
void *tst_alloc(size_t size);
/*
* Allocates iovec structure including the buffers.
*
* @sizes -1 terminated array of buffer sizes.
*/
struct iovec *tst_iovec_alloc(int sizes[]);
/*
* Frees all allocated buffers.
*
* This is called at the end of the test automatically.
*/
void tst_free_all(void);
#endif /* TST_BUFFERS_H__ */
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