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memzero.h: Remove outdated comments

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These comments were wrong.  Remove them instead of fixing them, since
now that we have this small header file, it's much easier to follow the
preprocessor conditionals.

Cc: Christian Göttsche <cgzones@googlemail.com>
Cc: Serge Hallyn <serge@hallyn.com>
Cc: Iker Pedrosa <ipedrosa@redhat.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
This commit is contained in:
Alejandro Colomar 2023-07-30 13:24:43 +02:00 committed by Iker Pedrosa
parent 6b11077f09
commit fca2fd65c0
1 changed files with 3 additions and 3 deletions
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6
lib/memzero.h
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@ -17,15 +17,15 @@
#ifdef HAVE_MEMSET_EXPLICIT
# define memzero(ptr, size) memset_explicit((ptr), 0, (size))
#elif defined HAVE_EXPLICIT_BZERO /* !HAVE_MEMSET_S */
#elif defined HAVE_EXPLICIT_BZERO
# define memzero(ptr, size) explicit_bzero((ptr), (size))
#else /* !HAVE_MEMSET_S && HAVE_EXPLICIT_BZERO */
#else
static inline void memzero(void *ptr, size_t size)
{
ptr = memset(ptr, '\0', size);
__asm__ __volatile__ ("" : : "r"(ptr) : "memory");
}
#endif /* !HAVE_MEMSET_S && !HAVE_EXPLICIT_BZERO */
#endif
#define strzero(s) memzero(s, strlen(s)) /* warning: evaluates twice */