================
@@ -3160,6 +3165,140 @@ rnb_err_t RNBRemote::HandlePacket_m(const char *p) {
return SendPacket(ostrm.str());
}
+/// Returns true if `str` starts with `prefix`.
+static bool starts_with(std::string_view str, std::string_view prefix) {
+ return str.size() >= prefix.size() &&
+ str.compare(0, prefix.size(), prefix) == 0;
+}
+
+/// Attempts to parse a prefix of `number_str` as a number of type `T`. If
+/// successful, the number is returned and the prefix is dropped from
+/// `number_str`.
+template <typename T>
+static std::optional<T> extract_number(std::string_view &number_str) {
+ static_assert(std::is_integral<T>());
+ char *str_end = nullptr;
+ errno = 0;
----------------
felipepiovezan wrote:
It's a C thing, sadly. This pattern is all over this file :(
https://github.com/llvm/llvm-project/pull/162670
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