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authorDenys Vlasenko <vda.linux@googlemail.com>2020-10-01 21:52:16 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2020-10-01 21:52:16 +0200
commit689d0650ab63425adaea26afe347015a204958ee (patch)
tree9c2e10b952cad6804359bc10ccc963ff138fc3d4 /findutils/grep.c
parent3c3928fc658bddacd4e540589868bc28a8e4ca0a (diff)
downloadbusybox-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 'findutils/grep.c')
-rw-r--r--findutils/grep.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/findutils/grep.c b/findutils/grep.c
index 0892a713a..10cca83e7 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -656,10 +656,9 @@ static void load_pattern_list(llist_t **lst, char *pattern)
llist_add_to(lst, new_grep_list_data(p, 0));
}
-static int FAST_FUNC file_action_grep(const char *filename,
- struct stat *statbuf,
- void* matched,
- int depth UNUSED_PARAM)
+static int FAST_FUNC file_action_grep(struct recursive_state *state UNUSED_PARAM,
+ const char *filename,
+ struct stat *statbuf)
{
FILE *file;
@@ -686,7 +685,7 @@ static int FAST_FUNC file_action_grep(const char *filename,
return 0;
}
cur_file = filename;
- *(int*)matched |= grep_file(file);
+ *(int*)state->userData |= grep_file(file);
fclose(file);
return 1;
}
@@ -702,8 +701,8 @@ static int grep_dir(const char *dir)
| 0,
/* fileAction= */ file_action_grep,
/* dirAction= */ NULL,
- /* userData= */ &matched,
- 0);
+ /* userData= */ &matched
+ );
return matched;
}