forked from Qortal/Brooklyn
23 lines
419 B
C
23 lines
419 B
C
const unsigned int *const crc32_table= (const unsigned int *)0x00000480;
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void
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crc32_init (unsigned int *p)
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{
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*p = 0xffffffff;
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}
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static void
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crc32_u8 (unsigned int *p, unsigned char v)
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{
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*p = crc32_table[(*p & 0xff) ^ v] ^ (*p >> 8);
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}
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void
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crc32_u32 (unsigned int *p, unsigned int u)
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{
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crc32_u8 (p, u & 0xff);
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crc32_u8 (p, (u >> 8)& 0xff);
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crc32_u8 (p, (u >> 16)& 0xff);
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crc32_u8 (p, (u >> 24)& 0xff);
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}
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