From be706fecb4c74a6c234c2a8b6b29d6afbd74ecfa Mon Sep 17 00:00:00 2001
From: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Date: Fri, 30 Dec 2022 21:30:23 -0800
Subject: Make `NamesIterator` safer

---
 src/string_immutable.zig | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/string_immutable.zig')

diff --git a/src/string_immutable.zig b/src/string_immutable.zig
index e3e72726f..db1d459af 100644
--- a/src/string_immutable.zig
+++ b/src/string_immutable.zig
@@ -498,6 +498,15 @@ test "StringOrTinyString Lowercase" {
     try std.testing.expectEqualStrings("hello!!!!!", str.slice());
 }
 
+/// Copy a string into a buffer
+/// Return the copied version
+pub fn copy(buf: []u8, src: []const u8) []const u8 {
+    const len = @min(buf.len, src.len);
+    if (len > 0)
+        @memcpy(buf.ptr, src.ptr, len);
+    return buf[0..len];
+}
+
 /// startsWith except it checks for non-empty strings
 pub fn hasPrefix(self: string, str: string) bool {
     return str.len > 0 and startsWith(self, str);
-- 
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