32 lines
694 B
C
32 lines
694 B
C
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/*
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* Copyright (c) 2023 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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*/
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#include <zephyr/llext/buf_loader.h>
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#include <zephyr/sys/util.h>
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#include <string.h>
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int llext_buf_read(struct llext_loader *l, void *buf, size_t len)
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{
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struct llext_buf_loader *buf_l = CONTAINER_OF(l, struct llext_buf_loader, loader);
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size_t end = MIN(buf_l->pos + len, buf_l->len);
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size_t read_len = end - buf_l->pos;
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memcpy(buf, buf_l->buf + buf_l->pos, read_len);
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buf_l->pos = end;
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return 0;
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}
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int llext_buf_seek(struct llext_loader *l, size_t pos)
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{
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struct llext_buf_loader *buf_l = CONTAINER_OF(l, struct llext_buf_loader, loader);
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buf_l->pos = MIN(pos, buf_l->len);
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return 0;
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}
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