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| author | Denys Vlasenko | 2020-10-01 21:52:16 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2020-10-01 21:52:16 +0200 |
| commit | 689d0650ab63425adaea26afe347015a204958ee (patch) | |
| tree | 9c2e10b952cad6804359bc10ccc963ff138fc3d4 /include | |
| parent | 3c3928fc658bddacd4e540589868bc28a8e4ca0a (diff) | |
| download | busybox-689d0650ab63425adaea26afe347015a204958ee.zip 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 'include')
| -rw-r--r-- | include/libbb.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/include/libbb.h b/include/libbb.h index 8b84d13..1b7c0b8 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -441,10 +441,18 @@ enum { ACTION_DANGLING_OK = (1 << 5), }; typedef uint8_t recurse_flags_t; -extern int recursive_action(const char *fileName, unsigned flags, - int FAST_FUNC (*fileAction)(const char *fileName, struct stat* statbuf, void* userData, int depth), - int FAST_FUNC (*dirAction)(const char *fileName, struct stat* statbuf, void* userData, int depth), - void* userData, unsigned depth) FAST_FUNC; +typedef struct recursive_state { + unsigned flags; + unsigned depth; + void *userData; + int FAST_FUNC (*fileAction)(struct recursive_state *state, const char *fileName, struct stat* statbuf); + int FAST_FUNC (*dirAction)(struct recursive_state *state, const char *fileName, struct stat* statbuf); +} recursive_state_t; +int recursive_action(const char *fileName, unsigned flags, + int FAST_FUNC (*fileAction)(struct recursive_state *state, const char *fileName, struct stat* statbuf), + int FAST_FUNC (*dirAction)(struct recursive_state *state, const char *fileName, struct stat* statbuf), + void *userData +) FAST_FUNC; extern int device_open(const char *device, int mode) FAST_FUNC; enum { GETPTY_BUFSIZE = 16 }; /* more than enough for "/dev/ttyXXX" */ |