When CONFIG_TESTING_OSTEST_MULTIUSER is enabled, default
CONFIG_LIBC_PASSWD_FILEPATH to a writable tmpfs path used by the
ostest multiuser passwd sub-test.
Signed-off-by: Abhishek Mishra <mishra.abhishek2808@gmail.com>
Accept user#️⃣uid:gid:home lines produced by mkpasswd in addition
to the six-field gecos form, and raise the default line buffer to 256.
Signed-off-by: Abhishek Mishra <mishra.abhishek2808@gmail.com>
Squashed commit of the following:
Last minute clean-up
libs/libc/grp/lib_find_grpfile.c: Fix some problems found in testing.
libs/libc/pwd: Finishes off implementation using /etc/passwd.
libs/libc/grp: Finishes off implementation using /etc/group.
libs/libc/pwd/lib_find_pwdfile.c: Add logic to look up user information in /etc/passwd file, if available.
libs/libc/grp/lib_find_grpfile.c: Add logic to look up group information in /etc/group file, if available.
