Fixed NULL handling in CharacterString sprintf which caused endless loop. (#1189)

2025-12-13 11:50:22 -06:00
parent b8bf498e57
commit 2c3c1c7bb8
2 changed files with 6 additions and 0 deletions
@@ -2099,6 +2099,10 @@ int bacapp_snprintf_character_string(
                    retry with the next one. */
                wclen = 1;
                wc = L'?';
+            } else if (wclen == 0) {
+                /* Null wide character */
+                wc = L'.';
+                wclen = 1;
            } else {
                if (!iswprint(wc)) {
                    wc = L'.';