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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
69aad6f1 ACM |
2 | #ifndef _PERF_XYARRAY_H_ |
3 | #define _PERF_XYARRAY_H_ 1 | |
4 | ||
5 | #include <sys/types.h> | |
6 | ||
7 | struct xyarray { | |
8 | size_t row_size; | |
9 | size_t entry_size; | |
b45f65e8 | 10 | size_t entries; |
d74be476 AK |
11 | size_t max_x; |
12 | size_t max_y; | |
69aad6f1 ACM |
13 | char contents[]; |
14 | }; | |
15 | ||
16 | struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size); | |
17 | void xyarray__delete(struct xyarray *xy); | |
b45f65e8 | 18 | void xyarray__reset(struct xyarray *xy); |
69aad6f1 ACM |
19 | |
20 | static inline void *xyarray__entry(struct xyarray *xy, int x, int y) | |
21 | { | |
22 | return &xy->contents[x * xy->row_size + y * xy->entry_size]; | |
23 | } | |
24 | ||
d74be476 AK |
25 | static inline int xyarray__max_y(struct xyarray *xy) |
26 | { | |
3d8bba95 | 27 | return xy->max_y; |
d74be476 AK |
28 | } |
29 | ||
30 | static inline int xyarray__max_x(struct xyarray *xy) | |
31 | { | |
3d8bba95 | 32 | return xy->max_x; |
d74be476 AK |
33 | } |
34 | ||
69aad6f1 | 35 | #endif /* _PERF_XYARRAY_H_ */ |