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Improve usage of getrandom for generating bytes

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doylet
2025-08-02 22:07:18 +10:00
parent a8803bb539
commit aab2cd3af4
6 changed files with 41 additions and 87 deletions
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Source/Extra/dn_tests.cpp
+1 -15
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@@ -1821,27 +1821,13 @@ static DN_UTCore DN_Tests_OS()
#if defined(DN_OS_INC_CPP) || 1
DN_UT_LogF(&result, "DN_OS\n");
{
for (DN_UT_Test(&result, "Generate secure RNG bytes with nullptr")) {
DN_B32 os_result = DN_OS_SecureRNGBytes(nullptr, 1);
DN_UT_Assert(&result, os_result == false);
}
for (DN_UT_Test(&result, "Generate secure RNG 32 bytes")) {
char const ZERO[32] = {};
char buf[32] = {};
bool os_result = DN_OS_SecureRNGBytes(buf, DN_ArrayCountU(buf));
DN_UT_Assert(&result, os_result);
DN_OS_GenBytesSecure(buf, DN_ArrayCountU(buf));
DN_UT_Assert(&result, DN_Memcmp(buf, ZERO, DN_ArrayCountU(buf)) != 0);
}
for (DN_UT_Test(&result, "Generate secure RNG 0 bytes")) {
char buf[32] = {};
buf[0] = 'Z';
DN_B32 os_result = DN_OS_SecureRNGBytes(buf, 0);
DN_UT_Assert(&result, os_result);
DN_UT_Assert(&result, buf[0] == 'Z');
}
for (DN_UT_Test(&result, "Query executable directory")) {
DN_OSTLSTMem tmem = DN_OS_TLSTMem(nullptr);
DN_Str8 os_result = DN_OS_EXEDir(tmem.arena);