cbd31d720b
In order to bring consistency in-tree, migrate all lib code to the new prefix <zephyr/...>. Note that the conversion has been scripted, refer to zephyrproject-rtos#45388 for more details. Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
30 lines
539 B
C
30 lines
539 B
C
/*
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* Copyright (c) 2021 Space Cubics, LLC.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdlib.h>
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#include <zephyr/sys/libc-hooks.h>
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#include <zephyr/app_memory/app_memdomain.h>
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#define LIBC_DATA K_APP_DMEM(z_libc_partition)
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#define OUTPUT_BITS (0x7fffffffU)
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#define MULTIPLIER (1103515245U)
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#define INCREMENT (12345U)
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static LIBC_DATA unsigned long srand_seed = 1;
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void srand(unsigned int s)
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{
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srand_seed = s;
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}
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int rand(void)
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{
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srand_seed = (MULTIPLIER * srand_seed + INCREMENT) & OUTPUT_BITS;
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return srand_seed;
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}
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