Max Wash
6019c9307d
all kernel headers have been moved from include/mango to include/kernel and include definitions that are only relevant to kernel-space. any definitions that are relevant to both kernel- and user-space (i.e. type definitions, syscall IDs) have been moved to include/mango within libmango.
37 lines
651 B
C
37 lines
651 B
C
#include <kernel/util.h>
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static unsigned int random_seed = 53455346;
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bool fill_random(void *p, unsigned int size)
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{
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unsigned char *buffer = p;
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if (!buffer || !size) {
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return false;
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}
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for (uint32_t i = 0; i < size; i++) {
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uint32_t next = random_seed;
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uint32_t result;
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next *= 1103515245;
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next += 12345;
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result = (uint32_t)(next / 65536) % 2048;
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next *= 1103515245;
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next += 12345;
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result <<= 10;
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result ^= (uint32_t)(next / 65536) % 1024;
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next *= 1103515245;
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next += 12345;
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result <<= 10;
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result ^= (uint32_t)(next / 65536) % 1024;
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random_seed = next;
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buffer[i] = (uint8_t)(result % 256);
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}
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return true;
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}
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