44 lines
960 B
C
44 lines
960 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LIBPERF_INTERNAL_XYARRAY_H
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#define __LIBPERF_INTERNAL_XYARRAY_H
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#include <linux/compiler.h>
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#include <sys/types.h>
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struct xyarray {
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size_t row_size;
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size_t entry_size;
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size_t entries;
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size_t max_x;
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size_t max_y;
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char contents[] __aligned(8);
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};
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struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
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void xyarray__delete(struct xyarray *xy);
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void xyarray__reset(struct xyarray *xy);
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static inline void *__xyarray__entry(struct xyarray *xy, int x, int y)
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{
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return &xy->contents[x * xy->row_size + y * xy->entry_size];
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}
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static inline void *xyarray__entry(struct xyarray *xy, size_t x, size_t y)
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{
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if (x >= xy->max_x || y >= xy->max_y)
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return NULL;
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return __xyarray__entry(xy, x, y);
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}
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static inline int xyarray__max_y(struct xyarray *xy)
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{
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return xy->max_y;
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}
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static inline int xyarray__max_x(struct xyarray *xy)
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{
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return xy->max_x;
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}
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#endif /* __LIBPERF_INTERNAL_XYARRAY_H */
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