Commit 0f75abdf authored by Chong Yidong's avatar Chong Yidong
Browse files

(concat): Check for string overflow (bug#1787).

parent 930600e9
...@@ -603,6 +603,8 @@ concat (nargs, args, target_type, last_special) ...@@ -603,6 +603,8 @@ concat (nargs, args, target_type, last_special)
} }
result_len += len; result_len += len;
if (result_len < 0)
error ("String overflow");
} }
if (! some_multibyte) if (! some_multibyte)
......
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