libbb: shrink recursive_action() by reducing memory pressure
function old new delta
recursive_action1 - 316 +316
file_action_grep 161 164 +3
add_to_prg_cache_if_socket 202 205 +3
depmod_main 509 511 +2
writeFileToTarball 488 489 +1
parse_module 281 282 +1
fileAction 207 208 +1
act 189 190 +1
add_to_dirlist 65 64 -1
writeTarFile 196 194 -2
uuidcache_init 47 45 -2
uuidcache_check_device 109 107 -2
true_action 8 6 -2
run_parts_main 310 308 -2
netstat_main 534 532 -2
lsusb_main 29 27 -2
lspci_main 45 43 -2
initial_scan 138 136 -2
grep_main 845 843 -2
find_main 482 480 -2
config_file_action 437 435 -2
chmod_main 142 140 -2
dirAction 14 10 -4
diff_main 1544 1540 -4
chown_main 154 148 -6
skip_dir 136 129 -7
dir_act 191 184 -7
recursive_action 453 69 -384
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 7/20 up/down: 328/-439) Total: -111 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/debianutils/run_parts.c b/debianutils/run_parts.c
index 196e064..585a4b5 100644
--- a/debianutils/run_parts.c
+++ b/debianutils/run_parts.c
@@ -131,12 +131,13 @@
return (option_mask32 & OPT_r) ? -r : r;
}
-static int FAST_FUNC act(const char *file, struct stat *statbuf, void *args UNUSED_PARAM, int depth)
+static int FAST_FUNC act(struct recursive_state *state,
+ const char *file, struct stat *statbuf)
{
- if (depth == 0)
+ if (state->depth == 0)
return TRUE;
- if (depth == 1
+ if (state->depth == 1
&& ( !(statbuf->st_mode & (S_IFREG | S_IFLNK))
|| invalid_name(file)
|| (!(option_mask32 & OPT_l) && access(file, X_OK) != 0))
@@ -199,8 +200,7 @@
ACTION_RECURSE|ACTION_FOLLOWLINKS,
act, /* file action */
act, /* dir action */
- NULL, /* user data */
- 0 /* depth */
+ NULL /* user data */
);
if (!names)