diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2020-10-01 21:52:16 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2020-10-01 21:52:16 +0200 |
| commit | 689d0650ab63425adaea26afe347015a204958ee (patch) | |
| tree | 9c2e10b952cad6804359bc10ccc963ff138fc3d4 /coreutils | |
| parent | 3c3928fc658bddacd4e540589868bc28a8e4ca0a (diff) | |
| download | busybox-689d0650ab63425adaea26afe347015a204958ee.tar.gz | |
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>
Diffstat (limited to 'coreutils')
| -rw-r--r-- | coreutils/chmod.c | 13 | ||||
| -rw-r--r-- | coreutils/chown.c | 9 |
2 files changed, 11 insertions, 11 deletions
diff --git a/coreutils/chmod.c b/coreutils/chmod.c index 27e9b6b86..d2988c490 100644 --- a/coreutils/chmod.c +++ b/coreutils/chmod.c @@ -65,12 +65,14 @@ * symbolic links encountered during recursive directory traversals. */ -static int FAST_FUNC fileAction(const char *fileName, struct stat *statbuf, void* param, int depth) +static int FAST_FUNC fileAction(struct recursive_state *state, + const char *fileName, + struct stat *statbuf) { mode_t newmode; /* match coreutils behavior */ - if (depth == 0) { + if (state->depth == 0) { /* statbuf holds lstat result, but we need stat (follow link) */ if (stat(fileName, statbuf)) goto err; @@ -79,9 +81,9 @@ static int FAST_FUNC fileAction(const char *fileName, struct stat *statbuf, void return TRUE; } - newmode = bb_parse_mode((char *)param, statbuf->st_mode); + newmode = bb_parse_mode((char *)state->userData, statbuf->st_mode); if (newmode == (mode_t)-1) - bb_error_msg_and_die("invalid mode '%s'", (char *)param); + bb_error_msg_and_die("invalid mode '%s'", (char *)state->userData); if (chmod(fileName, newmode) == 0) { if (OPT_VERBOSE @@ -136,8 +138,7 @@ int chmod_main(int argc UNUSED_PARAM, char **argv) OPT_RECURSE, // recurse fileAction, // file action fileAction, // dir action - smode, // user data - 0) // depth + smode) // user data ) { retval = EXIT_FAILURE; } diff --git a/coreutils/chown.c b/coreutils/chown.c index a1c5c0224..ffccc6cce 100644 --- a/coreutils/chown.c +++ b/coreutils/chown.c @@ -97,10 +97,10 @@ struct param_t { chown_fptr chown_func; }; -static int FAST_FUNC fileAction(const char *fileName, struct stat *statbuf, - void *vparam, int depth UNUSED_PARAM) +static int FAST_FUNC fileAction(struct recursive_state *state UNUSED_PARAM, + const char *fileName, struct stat *statbuf) { -#define param (*(struct param_t*)vparam) +#define param (*(struct param_t*)state->userData) #define opt option_mask32 uid_t u = (param.ugid.uid == (uid_t)-1L) ? statbuf->st_uid : param.ugid.uid; gid_t g = (param.ugid.gid == (gid_t)-1L) ? statbuf->st_gid : param.ugid.gid; @@ -159,8 +159,7 @@ int chown_main(int argc UNUSED_PARAM, char **argv) flags, /* flags */ fileAction, /* file action */ fileAction, /* dir action */ - ¶m, /* user data */ - 0) /* depth */ + ¶m) /* user data */ ) { retval = EXIT_FAILURE; } |