2 files changed, 15 insertions, 1 deletions
diff --git a/init.c b/init.c
index 05d8cd7..218fae1 100644
--- a/init.c
+++ b/init.c
@@ -439,6 +439,19 @@ init_static (void)
   return false;
 #endif
 
+#if 0
+  {
+    struct gc_arena gc = gc_new ();
+    const char *fn = gen_path ("foo",
+			       "bar",
+			       &gc);
+    printf ("%s\n", fn);
+    gc_free (&gc);
+  }
+
+  return false;
+#endif
+
   return true;
 }
 
diff --git a/misc.c b/misc.c
index 97e8049..901e8cb 100644
--- a/misc.c
+++ b/misc.c
@@ -1129,7 +1129,8 @@ gen_path (const char *directory, const char *filename, struct gc_arena *gc)
 #endif
       )
     {
-      struct buffer out = alloc_buf_gc (256, gc);
+      const size_t outsize = strlen(safe_filename) + (directory ? strlen (directory) : 0) + 16;
+      struct buffer out = alloc_buf_gc (outsize, gc);
       char dirsep[2];
 
       dirsep[0] = OS_SPECIFIC_DIRSEP;