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getrandom: fix comment contradicting code

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Signed-off-by: Juha Niskanen <juha.niskanen@haltian.com>
This commit is contained in:
Juha Niskanen 2022-06-15 14:59:20 +03:00 committed by Alan Carvalho de Assis
parent 0aa14f91da
commit 449cf4d076
2 changed files with 8 additions and 12 deletions
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10
include/sys/random.h
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@ -50,12 +50,10 @@
* Name: getrandom * Name: getrandom
* *
* Description: * Description:
* Fill a buffer of arbitrary length with randomness. This is the * Fill a buffer of arbitrary length with randomness. This uses
* preferred interface for getting random numbers. The traditional * either /dev/random (if GRND_RANDOM flag) or /dev/urandom device and
* /dev/random approach is susceptible for things like the attacker * is therefore susceptible for things like the attacker exhausting file
* exhausting file descriptors on purpose. * descriptors on purpose.
*
* Note that this function cannot fail, other than by asserting.
* *
* Input Parameters: * Input Parameters:
* bytes - Buffer for returned random bytes * bytes - Buffer for returned random bytes

10
libs/libc/misc/lib_getrandom.c
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@ -36,12 +36,10 @@
* Name: getrandom * Name: getrandom
* *
* Description: * Description:
* Fill a buffer of arbitrary length with randomness. This is the * Fill a buffer of arbitrary length with randomness. This uses
* preferred interface for getting random numbers. The traditional * either /dev/random (if GRND_RANDOM flag) or /dev/urandom device and
* /dev/random approach is susceptible for things like the attacker * is therefore susceptible for things like the attacker exhausting file
* exhausting file descriptors on purpose. * descriptors on purpose.
*
* Note that this function cannot fail, other than by asserting.
* *
* Input Parameters: * Input Parameters:
* bytes - Buffer for returned random bytes * bytes - Buffer for returned random bytes