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28 lines
690 B
C
28 lines
690 B
C
#include "deadbeef_rand.h"
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#include <time.h>
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static uint32_t deadbeef_seed;
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static uint32_t deadbeef_beef = 0xdeadbeef;
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uint32_t deadbeef_rand(void)
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{
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deadbeef_seed = (deadbeef_seed << 7) ^ ((deadbeef_seed >> 25) + deadbeef_beef);
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deadbeef_beef = (deadbeef_beef << 7) ^ ((deadbeef_beef >> 25) + 0xdeadbeef);
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return deadbeef_seed;
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}
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void deadbeef_srand(uint32_t x)
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{
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deadbeef_seed = x;
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deadbeef_beef = 0xdeadbeef;
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}
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/* Taken directly from the documentation:
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* http://inglorion.net/software/cstuff/deadbeef_rand/ */
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uint32_t deadbeef_generate_seed(void)
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{
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uint32_t t = (uint32_t)time(NULL);
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uint32_t c = (uint32_t)clock();
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return (t << 24) ^ (c << 11) ^ t ^ (size_t) &c;
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}
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