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29 lines
614 B
C
29 lines
614 B
C
/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
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#include <precomp.h>
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#include <ntsecapi.h>
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#include <internal/tls.h>
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/*
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* @implemented
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*/
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int
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rand(void)
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{
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thread_data_t *data = msvcrt_get_thread_data();
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/* this is the algorithm used by MSVC, according to
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* http://en.wikipedia.org/wiki/List_of_pseudorandom_number_generators */
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data->random_seed = data->random_seed * 214013 + 2531011;
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return (data->random_seed >> 16) & RAND_MAX;
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}
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/*
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* @implemented
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*/
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void
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srand(unsigned int seed)
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{
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thread_data_t *data = msvcrt_get_thread_data();
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data->random_seed = seed;
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}
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