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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2015-01-02 22:31:07 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2015-01-02 22:31:07 +0100 |
| commit | 908b6e5dfdbc81322680ce939e5415161c637bb4 (patch) | |
| tree | d3a5d43b353963cf0ac8faa79b5839c611e63c40 /include/grp_.h | |
| parent | 1da09cfacf1c4789cc74322857a098c2ddb06e31 (diff) | |
| download | busybox-w32-908b6e5dfdbc81322680ce939e5415161c637bb4.tar.gz busybox-w32-908b6e5dfdbc81322680ce939e5415161c637bb4.tar.bz2 busybox-w32-908b6e5dfdbc81322680ce939e5415161c637bb4.zip | |
libpwdgrp: use FAST_FUNC to make "matching ABI" optimization more likely to succeed
See bb_internal_get*nam_r size reduction:
function old new delta
bb_internal_getpwent_r 167 176 +9
getXXnam_r 204 206 +2
sulogin_main 326 325 -1
su_main 471 470 -1
read_line_input 3832 3831 -1
print_stat 865 864 -1
prepare_socket_fd 283 282 -1
load_crontab 777 776 -1
fork_job 456 455 -1
do_shm 884 883 -1
do_sem 637 636 -1
do_msg 783 782 -1
complete_username 124 123 -1
bb_internal_getgrouplist 71 70 -1
xgetpwuid 27 25 -2
xgetpwnam 27 25 -2
xgetgrnam 27 25 -2
xgetgrgid 27 25 -2
uid2uname 18 16 -2
login_main 980 978 -2
gid2group 18 16 -2
get_shell_name 54 52 -2
change_identity 50 48 -2
bb_internal_initgroups 50 48 -2
argstr 1261 1259 -2
print_perms 177 174 -3
inetd_main 2077 2074 -3
run_applet_no_and_exit 446 442 -4
fileaction_setowngrp 89 85 -4
deluser_main 312 308 -4
bb_internal_getpwuid 19 15 -4
bb_internal_getpwnam 11 7 -4
bb_internal_getgrnam 14 10 -4
bb_internal_getgrgid 19 15 -4
adduser_main 865 861 -4
passwd_main 989 984 -5
get_passwd 97 92 -5
data_extract_all 887 882 -5
check_user_passwd 490 485 -5
get_groups 81 75 -6
ftpd_main 2178 2171 -7
bb_internal_getspnam_r 42 18 -24
bb_internal_getpwnam_r 39 15 -24
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/41 up/down: 11/-153) Total: -142 bytes
text data bss dec hex filename
923167 928 17676 941771 e5ecb busybox_old
923023 928 17676 941627 e5e3b busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'include/grp_.h')
| -rw-r--r-- | include/grp_.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/include/grp_.h b/include/grp_.h index f7b8d836f..db13ce3b4 100644 --- a/include/grp_.h +++ b/include/grp_.h | |||
| @@ -36,31 +36,30 @@ PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN | |||
| 36 | #define getgrouplist bb_internal_getgrouplist | 36 | #define getgrouplist bb_internal_getgrouplist |
| 37 | #define initgroups bb_internal_initgroups | 37 | #define initgroups bb_internal_initgroups |
| 38 | 38 | ||
| 39 | |||
| 40 | /* All function names below should be remapped by #defines above | 39 | /* All function names below should be remapped by #defines above |
| 41 | * in order to not collide with libc names. */ | 40 | * in order to not collide with libc names. */ |
| 42 | 41 | ||
| 43 | /* Close the group-file stream. */ | 42 | /* Close the group-file stream. */ |
| 44 | extern void endgrent(void); | 43 | void FAST_FUNC endgrent(void); |
| 45 | 44 | ||
| 46 | /* Search for an entry with a matching group ID. */ | 45 | /* Search for an entry with a matching group ID. */ |
| 47 | extern struct group *getgrgid(gid_t __gid); | 46 | struct group* FAST_FUNC getgrgid(gid_t __gid); |
| 48 | 47 | ||
| 49 | /* Search for an entry with a matching group name. */ | 48 | /* Search for an entry with a matching group name. */ |
| 50 | extern struct group *getgrnam(const char *__name); | 49 | struct group* FAST_FUNC getgrnam(const char *__name); |
| 51 | 50 | ||
| 52 | /* Reentrant versions of some of the functions above. */ | 51 | /* Reentrant versions of some of the functions above. */ |
| 53 | 52 | ||
| 54 | /* Store at most *NGROUPS members of the group set for USER into | 53 | /* Store at most *NGROUPS members of the group set for USER into |
| 55 | *GROUPS. Also include GROUP. The actual number of groups found is | 54 | *GROUPS. Also include GROUP. The actual number of groups found is |
| 56 | returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */ | 55 | returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */ |
| 57 | extern int getgrouplist(const char *__user, gid_t __group, | 56 | int FAST_FUNC getgrouplist(const char *__user, gid_t __group, |
| 58 | gid_t *__groups, int *__ngroups); | 57 | gid_t *__groups, int *__ngroups); |
| 59 | 58 | ||
| 60 | /* Initialize the group set for the current user | 59 | /* Initialize the group set for the current user |
| 61 | by reading the group database and using all groups | 60 | by reading the group database and using all groups |
| 62 | of which USER is a member. Also include GROUP. */ | 61 | of which USER is a member. Also include GROUP. */ |
| 63 | extern int initgroups(const char *__user, gid_t __group); | 62 | int FAST_FUNC initgroups(const char *__user, gid_t __group); |
| 64 | 63 | ||
| 65 | POP_SAVED_FUNCTION_VISIBILITY | 64 | POP_SAVED_FUNCTION_VISIBILITY |
| 66 | 65 | ||