SEI CERT C Coding Standard

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Old Version 28

changes.mady.by.user Carol J. Lallier

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changes.mady.by.user Masaki Kubo

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Comment: changed the type of the left operand of left shift from int to unsigned long to avoid undefined behaviour and implicit type cast

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Code Block
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langc
const unsigned long mask = (11UL << ((sizeof(unsigned long) * CHAR_BIT) - 1))
unsigned long x;

/* Initialize x */

x = (x ^ mask) + 1;

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