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wip: getgr_max and getpw_max

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Motiejus Jakštys 2022-04-18 11:15:14 +03:00 committed by Motiejus Jakštys
parent 130aea7cf5
commit 71f5284399
2 changed files with 10 additions and 2 deletions
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3
lib/DB.zig
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@ -119,6 +119,8 @@ pub fn fromCorpus(
.nblocks_users = nblocks(u64, users.blob), .nblocks_users = nblocks(u64, users.blob),
.nblocks_groupmembers = nblocks(u64, groupmembers.blob), .nblocks_groupmembers = nblocks(u64, groupmembers.blob),
.nblocks_additional_gids = nblocks(u64, additional_gids.blob), .nblocks_additional_gids = nblocks(u64, additional_gids.blob),
.getgr_max = 0,
.getpw_max = 0,
}; };
return DB{ return DB{
@ -628,6 +630,7 @@ test "high-level API" {
var arena = ArenaAllocator.init(allocator); var arena = ArenaAllocator.init(allocator);
defer arena.deinit(); defer arena.deinit();
// TODO: should accept a buffer instead of an allocator instead.
const all = try db.getgrnam(arena.allocator(), "all"); const all = try db.getgrnam(arena.allocator(), "all");
try testing.expect(all != null); try testing.expect(all != null);
try testing.expectEqual(all.?.gid, 9999); try testing.expectEqual(all.?.gid, 9999);

9
lib/header.zig
View File

@ -44,6 +44,9 @@ pub const Header = packed struct {
nblocks_users: u64, nblocks_users: u64,
nblocks_groupmembers: u64, nblocks_groupmembers: u64,
nblocks_additional_gids: u64, nblocks_additional_gids: u64,
getgr_max: u64,
getpw_max: u64,
padding: [48]u8 = [1]u8{0} ** 48,
pub fn fromBytes(blob: *const [@sizeOf(Header)]u8) Invalid!*const Header { pub fn fromBytes(blob: *const [@sizeOf(Header)]u8) Invalid!*const Header {
const self = mem.bytesAsValue(Header, blob); const self = mem.bytesAsValue(Header, blob);
@ -67,8 +70,8 @@ test "Section length is a power of two" {
try testing.expect(std.math.isPowerOfTwo(section_length)); try testing.expect(std.math.isPowerOfTwo(section_length));
} }
test "Header fits into a section" { test "Header fits into two section" {
try testing.expect(@sizeOf(Header) <= section_length); try testing.expect(@sizeOf(Header) == 2 * section_length);
} }
test "bit header size is equal to @sizeOf(Header)" { test "bit header size is equal to @sizeOf(Header)" {
@ -89,6 +92,8 @@ test "header pack and unpack" {
.nblocks_users = 0, .nblocks_users = 0,
.nblocks_groupmembers = 0, .nblocks_groupmembers = 0,
.nblocks_additional_gids = 1, .nblocks_additional_gids = 1,
.getgr_max = 0,
.getpw_max = 0,
}; };
const bytes = mem.asBytes(&header1); const bytes = mem.asBytes(&header1);