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Differential D4964 Diff 12392 lib/libc/string/bzero.3

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lib/libc/string/bzero.3

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.Pp .Pp
The The
.Fn explicit_bzero .Fn explicit_bzero
variant behaves the same, but will not be removed by a compiler's dead store variant is the same, but has correct flags to force the call to occur,
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variant is the same, but has flags to force the call to occur even
if the compiler thinks it is pointless.
This makes
.Fn explicit_bzero
useful for clearing memory with sensitive contents like a password.
wblock: ```variant is the same, but has flags to force the call to occur even if the compiler thinks it…
optimization pass, making it useful for clearing sensitive memory such as a no matter if the compiler thinks it is pointless, or not, making it
password. useful for clearing sensitive memory such as a password.
.Sh SEE ALSO .Sh SEE ALSO
.Xr memset 3 , .Xr memset 3 ,
.Xr swab 3 .Xr swab 3
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