--- ed-0.2/main.c
+++ ed-0.2/main.c
@@ -1646,7 +1646,7 @@ strip_escapes (s)
 
   int i = 0;
 
-  REALLOC (file, filesz, PATH_MAX + 1, NULL);
+  REALLOC (file, filesz, strlen(s) + 1, NULL);
   /* assert: no trailing escape */
   while (file[i++] = (*s == '\\') ? *++s : *s)
     s++;