Source: check for truncated utf-8 codepoint at EOF

Vexu · Apr 12, 2024 · 88c1b0f · 88c1b0f
1 parent 128d089
commit 88c1b0f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/aro/Source.zig b/src/aro/Source.zig
@@ -75,6 +75,10 @@ pub fn lineCol(source: Source, loc: Location) LineCol {
             i += 1;
             continue;
         };
+        const slice = source.buf[i..];
+        if (len > slice.len) {
+            break;
+        }
         const cp = std.unicode.utf8Decode(source.buf[i..][0..len]) catch {
             i += 1;
             continue;