Current libc symbols: https://android.googlesource.com/platform/bionic/+/master/libc/libc.map.txt
New libc functions in P:
__freading
/__fwriting
(completing <stdio_ext.h>)endhostent
/endnetent/
endprotoent/
getnetent/
getprotoent/
sethostent/
setnetent/
setprotoent` (completing <netdb.h>)fexecve
fflush_unlocked
/fgetc_unlocked
/fgets_unlocked
/fputc_unlocked
/fputs_unlocked
/fread_unlocked
/fwrite_unlocked
getentropy
/getrandom
(adding <sys/random.h>)getlogin_r
glob
/globfree
(adding <glob.h>)hcreate
/hcreate_r/
hdestroy/
hdestroy_r/
hsearch/
hsearch_r` (completing <search.h>)iconv
/iconv_close
/iconv_open
(adding <iconv.h>)pthread_attr_getinheritsched
/pthread_attr_setinheritsched
/pthread_setschedprio
swab
syncfs
New libc functions in O:
sendto
FORTIFY support__system_property_read_callback
/__system_property_wait
bsd_signal
catclose
/catgets
/catopen
(adding <nl_types.h>)ctermid
futimes
/futimesat
/lutimes
getdomainname
/setdomainname
getsubopt
hasmntopt
mallopt
mblen
msg*
functionsnl_langinfo
/nl_langinfo_l
pthread_getname_np
quotactl
and sync_file_range
sem*
functionsshm*
functionssighold
/sigignore
/sigpause
/sigrelse
/sigset
strtod_l
/strtof_l
/strtol_l
/strtoul_l
towctrans
/towctrans_l
/wctrans
/wctrans_l
New libc functions in N:
fread
/fwrite
/getcwd
/pwrite
/write
)_FILE_OFFSET_BITS=64
functions, completing _FILE_OFFSET_BITS=64
support in bionic (8)pthread_barrier*
functionspthread_spin*
functionslockf
/preadv
/pwritev
/scandirat
and off64_t
variantsadjtimex
/clock_adjtime
getifaddrs
/freeifaddrs
/if_freenameindex
/if_nameindex
getgrgid_r
/getgrnam_r
fileno_unlocked
/strchrnul
prlimit
libc function count over time: G 803, H 825, I 826, J 846, J-MR1 873, J-MR2 881, K 896, L 1116, M 1181, N 1226, O 1278
ndk-r17$ for i in `ls -1v platforms/android-*/arch-arm/usr/lib/libc.so` ; do echo $i; nm $i | grep -vw [AbdNnt] | grep -vw B | wc -l ; done
Run ./libc/tools/check-symbols-glibc.py
in bionic/ for the current list of POSIX functions implemented by glibc but not by bionic. Currently (2017-10):
aio_cancel aio_error aio_fsync aio_read aio_return aio_suspend aio_write lio_listio pthread_cancel pthread_mutex_consistent pthread_mutex_getprioceiling pthread_mutex_setprioceiling pthread_mutexattr_getprioceiling pthread_mutexattr_getprotocol pthread_mutexattr_getrobust pthread_mutexattr_setprioceiling pthread_mutexattr_setprotocol pthread_mutexattr_setrobust pthread_setcancelstate pthread_setcanceltype pthread_testcancel wordexp wordfree
Current libm symbols: https://android.googlesource.com/platform/bionic/+/master/libm/libm.map.txt
0 remaining missing POSIX libm functions.
19 new libm functions in O: complex trig/exp/log functions.
libm function count over time: G 158, J-MR2 164, L 220, M 265, O 284