use resize to silence AddressSanitizer bug that wrongfully reported i…

…ssues
r-lib · Mar 1, 2024 · 952cd21 · 952cd21
1 parent cf5d3fa
commit 952cd21
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diff --git a/NEWS.md b/NEWS.md
@@ -1,5 +1,7 @@
 # ragg (development version)
 
+* Silence a bug in clang-ASAN that incorrectly reported sanitiser issues
+
 # ragg 1.2.7
 
 * Fix a stack imbalance bug

diff --git a/src/text_renderer.h b/src/text_renderer.h
@@ -239,13 +239,13 @@ class TextRenderer {
     if (expected_max == 0) {
       return;
     }
-    
-    loc_buffer.reserve(expected_max);
-    id_buffer.reserve(expected_max);
-    cluster_buffer.reserve(expected_max);
-    font_buffer.reserve(expected_max);
-    fallback_buffer.reserve(expected_max);
-    scaling_buffer.reserve(expected_max);
+
+    loc_buffer.resize(expected_max);
+    id_buffer.resize(expected_max);
+    cluster_buffer.resize(expected_max);
+    font_buffer.resize(expected_max);
+    fallback_buffer.resize(expected_max);
+    scaling_buffer.resize(expected_max);
 
     int err = textshaping::string_shape(
       string,