From a0f66bdad2b247e2742414843931a5351fda5977 Mon Sep 17 00:00:00 2001
From: Gary Talent <gary@drinkingtea.net>
Date: Fri, 6 Sep 2024 21:19:59 -0500
Subject: [PATCH] [ox/std] Add IString::unsafeResize

(synced from ba4540e43ff0d3f0653f41c9b712e52b1de874f6)
---
 src/ox/std/istring.hpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/ox/std/istring.hpp b/src/ox/std/istring.hpp
index 7ffee5e49..83dea2554 100644
--- a/src/ox/std/istring.hpp
+++ b/src/ox/std/istring.hpp
@@ -81,6 +81,11 @@ class IString {
 
 		constexpr ox::Error resize(size_t sz) noexcept;
 
+		/**
+		 * Resizes without clearing memory between current end and new end.
+		 */
+		constexpr ox::Error unsafeResize(size_t sz) noexcept;
+
 		/**
 		 * Returns the capacity of bytes for this string.
 		 */
@@ -220,6 +225,15 @@ constexpr ox::Error IString<StrCap>::resize(size_t sz) noexcept {
 	return {};
 }
 
+template<std::size_t StrCap>
+constexpr ox::Error IString<StrCap>::unsafeResize(size_t sz) noexcept {
+	if (sz > StrCap) [[unlikely]] {
+		return OxError(1, "Trying to extend IString beyond its cap");
+	}
+	m_size = sz;
+	return {};
+}
+
 template<size_t sz>
 struct MaybeView<ox::IString<sz>> {
 	using type = ox::StringView;