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/archival/tar.c b/archival/tar.c
index 4f25648..93184cc 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -491,10 +491,11 @@
# define exclude_file(excluded_files, file) 0
# endif
-static int FAST_FUNC writeFileToTarball(const char *fileName, struct stat *statbuf,
- void *userData, int depth UNUSED_PARAM)
+static int FAST_FUNC writeFileToTarball(struct recursive_state *state,
+ const char *fileName,
+ struct stat *statbuf)
{
- struct TarBallInfo *tbInfo = (struct TarBallInfo *) userData;
+ struct TarBallInfo *tbInfo = (struct TarBallInfo *) state->userData;
const char *header_name;
int inputFileFd = -1;
@@ -700,7 +701,7 @@
/* Read the directory/files and iterate over them one at a time */
while (filelist) {
if (!recursive_action(filelist->data, recurseFlags,
- writeFileToTarball, writeFileToTarball, tbInfo, 0)
+ writeFileToTarball, writeFileToTarball, tbInfo)
) {
errorFlag = TRUE;
}