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Explain the restrictions on divisor in round*_to_next_multiple_of

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Closes 23528.
This commit is contained in:
teor 2017-09-15 16:06:17 +10:00
parent d6568bad5e
commit 42e7d0ea14
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1 changed files with 3 additions and 3 deletions
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6
src/common/util.c
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@ -477,7 +477,7 @@ round_to_power_of_2(uint64_t u64)
/** Return the lowest x such that x is at least <b>number</b>, and x modulo /** Return the lowest x such that x is at least <b>number</b>, and x modulo
* <b>divisor</b> == 0. If no such x can be expressed as an unsigned, return * <b>divisor</b> == 0. If no such x can be expressed as an unsigned, return
* UINT_MAX */ * UINT_MAX. Asserts if divisor is zero. */
unsigned unsigned
round_to_next_multiple_of(unsigned number, unsigned divisor) round_to_next_multiple_of(unsigned number, unsigned divisor)
{ {
@ -491,7 +491,7 @@ round_to_next_multiple_of(unsigned number, unsigned divisor)
/** Return the lowest x such that x is at least <b>number</b>, and x modulo /** Return the lowest x such that x is at least <b>number</b>, and x modulo
* <b>divisor</b> == 0. If no such x can be expressed as a uint32_t, return * <b>divisor</b> == 0. If no such x can be expressed as a uint32_t, return
* UINT32_MAX */ * UINT32_MAX. Asserts if divisor is zero. */
uint32_t uint32_t
round_uint32_to_next_multiple_of(uint32_t number, uint32_t divisor) round_uint32_to_next_multiple_of(uint32_t number, uint32_t divisor)
{ {
@ -506,7 +506,7 @@ round_uint32_to_next_multiple_of(uint32_t number, uint32_t divisor)
/** Return the lowest x such that x is at least <b>number</b>, and x modulo /** Return the lowest x such that x is at least <b>number</b>, and x modulo
* <b>divisor</b> == 0. If no such x can be expressed as a uint64_t, return * <b>divisor</b> == 0. If no such x can be expressed as a uint64_t, return
* UINT64_MAX */ * UINT64_MAX. Asserts if divisor is zero. */
uint64_t uint64_t
round_uint64_to_next_multiple_of(uint64_t number, uint64_t divisor) round_uint64_to_next_multiple_of(uint64_t number, uint64_t divisor)
{ {