hush: disable debug_indent increment/decrement for HUSH_DEBUG < 2 builds

function                                             old     new   delta
run_list                                            1063    1046     -17
parse_stream                                        2296    2249     -47
run_pipe                                            1890    1840     -50
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-114)           Total: -114 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/shell/hush.c b/shell/hush.c
index 9676819fa1cf7b5c674032c3cfb0b31893ad8e0c..14681aa48dd1cf2b07791036e83c9351f16d9721 100644 (file)
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -999,7 +999,7 @@ struct globals {
        int x_mode_fd;
        o_string x_mode_buf;
 #endif
-#if HUSH_DEBUG
+#if HUSH_DEBUG >= 2
        int debug_indent;
 #endif
        struct sigaction sa;
@@ -1221,7 +1221,7 @@ static const struct built_in_command bltins2[] = {
 
 /* Debug printouts.
  */
-#if HUSH_DEBUG
+#if HUSH_DEBUG >= 2
 /* prevent disasters with G.debug_indent < 0 */
 # define indent() fdprintf(2, "%*s", (G.debug_indent * 2) & 0xff, "")
 # define debug_enter() (G.debug_indent++)