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Some MULTI_CHAR fixes

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Luke Street
2026-02-28 15:43:37 -07:00
parent ac714d1bf9
commit 475ca80882
5 changed files with 72 additions and 72 deletions
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include/global.h
+11 -11
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@@ -169,22 +169,22 @@ static const float INF = 2000000000.0f;
#define UNSET_FLAG(var, flag, type) (var) &= ~(flag)
#endif
#ifdef TARGET_PC
// Macro for multi-character literals that exceed 4 bytes (e.g. 'ari_os').
// CW encodes all characters in big-endian order into the full integer, but GCC/Clang
// truncate multi-char constants to int (4 bytes). This macro produces matching u64
// values on all compilers. For <=4-char literals, raw constants like 'ABCD' are fine.
#ifdef __MWERKS__
#define MULTI_CHAR(x) (x)
#else
template <int N>
inline constexpr auto MultiCharLiteral(const char (&buf)[N]) {
// static_assert(buf[0] == '\'' && buf[N - 2] == '\''); // can't constexpr strings, just pray
constexpr int len = N - 1;
static_assert(len >= 2 && len <= 10);
inline constexpr unsigned long long MultiCharLiteral(const char (&buf)[N]) {
static_assert(N - 1 >= 3 && N - 1 <= 10, "MULTI_CHAR literal must be 1-8 characters");
unsigned long long out = 0;
for (int i = 1; i < len - 1; i++) {
out = (out << 8) | ((unsigned long long)buf[i]);
for (int i = 1; i < N - 2; i++) {
out = (out << 8) | static_cast<unsigned char>(buf[i]);
}
return out;
}
#define MULTI_CHAR(x) MultiCharLiteral(#x)
#else
#define MULTI_CHAR(x) MultiCharLiteral(#x)
#endif