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-rw-r--r--src/common/hex_util.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/common/hex_util.h b/src/common/hex_util.h
index a8d414fb8..f5f9e4507 100644
--- a/src/common/hex_util.h
+++ b/src/common/hex_util.h
@@ -53,8 +53,9 @@ template <typename ContiguousContainer>
std::string out;
out.reserve(std::size(data) * pad_width);
+ const auto format_str = fmt::runtime(upper ? "{:02X}" : "{:02x}");
for (const u8 c : data) {
- out += fmt::format(upper ? "{:02X}" : "{:02x}", c);
+ out += fmt::format(format_str, c);
}
return out;