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Merge 71f96c274f into merged_master (Bitcoin PR bitcoin/bitcoin#29786)

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Tom Trevethan 2026-02-17 22:29:14 +00:00
commit 8d178b2f34
1 changed files with 10 additions and 0 deletions
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10
src/randomenv.cpp
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@ -13,6 +13,7 @@
#include <compat/compat.h>
#include <compat/cpuid.h>
#include <crypto/sha512.h>
#include <span.h>
#include <support/cleanse.h>
#include <util/time.h>
@ -357,10 +358,19 @@ void RandAddStaticEnv(CSHA512& hasher)
hasher << &hasher << &RandAddStaticEnv << &malloc << &errno << &environ;
// Hostname
#ifdef WIN32
constexpr DWORD max_size = MAX_COMPUTERNAME_LENGTH + 1;
char hname[max_size];
DWORD size = max_size;
if (GetComputerNameA(hname, &size) != 0) {
hasher.Write(UCharCast(hname), size);
}
#else
char hname[256];
if (gethostname(hname, 256) == 0) {
hasher.Write((const unsigned char*)hname, strnlen(hname, 256));
}
#endif
#if HAVE_DECL_GETIFADDRS && HAVE_DECL_FREEIFADDRS
// Network interfaces