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refactor: replace sizeof(a)/sizeof(a[0]) by std::size (C++17)

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Removes the macro ARRAYLEN and also substitutes all other uses of the same
"sizeof(a)/sizeof(a[0])" pattern by std::size, available since C++17.
This commit is contained in:
Sebastian Falbesoner
2020-11-20 00:14:32 +01:00
parent 365539c846
commit e829c9afbf
9 changed files with 12 additions and 15 deletions
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3
src/random.cpp
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@@ -38,7 +38,6 @@
#include <sys/random.h>
#endif
#ifdef HAVE_SYSCTL_ARND
#include <util/strencodings.h> // for ARRAYLEN
#include <sys/sysctl.h>
#endif
@@ -333,7 +332,7 @@ void GetOSRand(unsigned char *ent32)
int have = 0;
do {
size_t len = NUM_OS_RANDOM_BYTES - have;
if (sysctl(name, ARRAYLEN(name), ent32 + have, &len, nullptr, 0) != 0) {
if (sysctl(name, std::size(name), ent32 + have, &len, nullptr, 0) != 0) {
RandFailure();
}
have += len;