summaryrefslogtreecommitdiff
path: root/include/libbb.h
diff options
context:
space:
mode:
authorDenys Vlasenko2020-10-01 21:52:16 +0200
committerDenys Vlasenko2020-10-01 21:52:16 +0200
commit689d0650ab63425adaea26afe347015a204958ee (patch)
tree9c2e10b952cad6804359bc10ccc963ff138fc3d4 /include/libbb.h
parent3c3928fc658bddacd4e540589868bc28a8e4ca0a (diff)
downloadbusybox-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/libbb.h')
-rw-r--r--include/libbb.h16
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" */