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Make secure_zero_memory() compile on HP-UX 

This reinstantiates the portable approach to this function dropped in
b4b241a348.
HP-UX does not have any of the fancy secure/explicit functions and the
compiler does not support the inline assembly syntax.
This commit is contained in:
Michael Osipov 2019-05-28 15:48:17 +02:00
parent 2c5142f12a
commit 30d45a17c5
1 changed files with 3 additions and 0 deletions
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3
src/blake2-impl.h
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@ -141,6 +141,9 @@ static inline void secure_zero_memory(void *v, size_t n)
{
#if defined(_WIN32) || defined(WIN32)
SecureZeroMemory(v, n);
#elif defined(__hpux)
static void *(*const volatile memset_v)(void *, int, size_t) = &memset;
memset_v(v, 0, n);
#else
// prioritize first the general C11 call
#if defined(HAVE_MEMSET_S)