Truncate over-long variable name in DUMP.

2026-04-16 06:18:47 +02:00 · 2025-08-19 10:13:09 -04:00
parent a46488a50d
commit f366037b8d
1 changed files with 7 additions and 1 deletions
--- a/src/var.c
+++ b/src/var.c
@@ -786,8 +786,14 @@ int DoDump(ParsePtr p)
            DumpSysVarByName(DBufValue(&buf)+1);
        } else {
            v = FindVar(DBufValue(&buf), 0);
-            if (!v) fprintf(ErrFp, "%s  %s\n",
+            if (!v) {
+                if (strlen(DBufValue(&buf)) > VAR_NAME_LEN) {
+                    /* Truncate over-long variable name */
+                    DBufValue(&buf)[VAR_NAME_LEN] = 0;
+                }
+                fprintf(ErrFp, "%s  %s\n",
                            DBufValue(&buf), UNDEF);
+            }
            else {
                fprintf(ErrFp, "%s  ", v->name);
                PrintValue(&(v->v), ErrFp);