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author | delphij <delphij@FreeBSD.org> | 2014-10-07 04:54:11 +0000 |
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committer | delphij <delphij@FreeBSD.org> | 2014-10-07 04:54:11 +0000 |
commit | e23313b949a529fda2b1e1fd025f00e52248e430 (patch) | |
tree | 8e054464e7dbf0c725d0727c33ec7858eac81231 /sys/libkern | |
parent | a1e6db42da46ee181d41769f03e9d361096c4eab (diff) | |
download | FreeBSD-src-e23313b949a529fda2b1e1fd025f00e52248e430.zip FreeBSD-src-e23313b949a529fda2b1e1fd025f00e52248e430.tar.gz |
Add explicit_bzero(3) and its kernel counterpart.
Obtained from: OpenBSD
MFC after: 2 weeks
Diffstat (limited to 'sys/libkern')
-rw-r--r-- | sys/libkern/explicit_bzero.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sys/libkern/explicit_bzero.c b/sys/libkern/explicit_bzero.c new file mode 100644 index 0000000..2468c55 --- /dev/null +++ b/sys/libkern/explicit_bzero.c @@ -0,0 +1,24 @@ +/* $OpenBSD: explicit_bzero.c,v 1.3 2014/06/21 02:34:26 matthew Exp $ */ +/* + * Public domain. + * Written by Matthew Dempsky. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/libkern.h> + +__attribute__((weak)) void __explicit_bzero_hook(void *, size_t); + +__attribute__((weak)) void +__explicit_bzero_hook(void *buf, size_t len) +{ +} + +void +explicit_bzero(void *buf, size_t len) +{ + memset(buf, 0, len); + __explicit_bzero_hook(buf, len); +} |