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*: unify concurrent-safe update of /etc/{passwd,group,[g]shadow}

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by Tito (farmatito AT tiscali.it)

function                                             old     new   delta
update_passwd                                        743    1171    +428
bb_perror_nomsg                                        -       9      +9
find_main                                            436     444      +8
passwd_main                                         1023    1027      +4
nameval                                              202     206      +4
chpasswd_main                                        315     319      +4
bb__parsespent                                       119     117      -2
adduser_main                                         654     650      -4
addgroup_main                                        345     341      -4
sv_main                                             1228    1222      -6
deluser_main                                         173     160     -13
bb_internal_putpwent                                  69       -     -69
add_user_to_group                                    231       -    -231
del_line_matching                                    460      31    -429
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 5/6 up/down: 457/-758)         Total: -301 bytes
This commit is contained in:
Denis Vlasenko
2009-04-14 00:51:05 +00:00
parent f2b39e088d
commit 829bbd3b57
8 changed files with 209 additions and 228 deletions
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3
libbb/Kbuild
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@@ -120,6 +120,9 @@ lib-y += xrealloc_vector.o
lib-$(CONFIG_FEATURE_MOUNT_LOOP) += loop.o
lib-$(CONFIG_LOSETUP) += loop.o
lib-$(CONFIG_FEATURE_MTAB_SUPPORT) += mtab.o
lib-$(CONFIG_ADDGROUP) += update_passwd.o
lib-$(CONFIG_ADDUSER) += update_passwd.o
lib-$(CONFIG_DELUSER) += update_passwd.o
lib-$(CONFIG_PASSWD) += pw_encrypt.o update_passwd.o
lib-$(CONFIG_CHPASSWD) += pw_encrypt.o update_passwd.o
lib-$(CONFIG_CRYPTPW) += pw_encrypt.o