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rename shell_len_or_place to _idx

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Motiejus Jakštys 2022-02-18 20:36:32 +02:00 committed by Motiejus Jakštys
parent 2964c918cc
commit 93c6a1c12a
2 changed files with 7 additions and 7 deletions
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4
README.md
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@ -220,7 +220,7 @@ const User = struct {
additional_gids_offset: u29,
// shell is a different story, documented elsewhere.
shell_here: u1,
shell_len_or_place: u6,
shell_len_or_idx: u6,
homedir_len: u6,
username_is_a_suffix: u1,
username_offset_or_len: u5,
@ -279,7 +279,7 @@ const ShellIndex = struct {
In the user's struct the `shell_here=true` bit signifies that the shell is
stored with userdata. `false` means it is stored in the `Shells` section. If
the shell is stored "here", it is the first element in `stringdata`, and it's
length is `shell_len_or_place`. If it is stored externally, the latter variable
length is `shell_len_or_idx`. If it is stored externally, the latter variable
points to it's index in the ShellIndex area.
Shells in the external storage are sorted by their weight, which is

10
src/user.zig
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@ -8,7 +8,7 @@ pub const PackedUser = packed struct {
gid: u32,
additional_gids_offset: u29,
shell_here: u1,
shell_len_or_place: u6,
shell_len_or_idx: u6,
homedir_len: u6,
username_is_a_suffix: u1,
username_offset_or_len: u5,
@ -44,13 +44,13 @@ pub const UserWriter = struct {
pub fn fromUser(self: *UserWriter, user: User) !PackedUser {
var shell_here: u1 = undefined;
var shell_len_or_place: u6 = undefined;
var shell_len_or_idx: u6 = undefined;
if (self.shellIndexFn(user.shell)) |idx| {
shell_here = false;
shell_len_or_place = idx;
shell_len_or_idx = idx;
} else {
shell_here = true;
shell_len_or_place = user.shell.len;
shell_len_or_idx = user.shell.len;
}
var puser = PackedUser{
@ -58,7 +58,7 @@ pub const UserWriter = struct {
.gid = user.gid,
.additional_gids_offset = 0, // second pass
.shell_here = shell_here,
.shell_len_or_place = shell_len_or_place,
.shell_len_or_idx = shell_len_or_idx,
.homedir_len = undefined,
.username_is_a_suffix = undefined,
.username_offset_or_len = undefined,