Zignet

[ { "instruction": "Write a Zig function similar to build from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: build.zig", "response": "pub fn build(b: *std.Build) void {\n b.reference_trace = 64;\n\n // Standard target options allows the person running `zig build` to choose\n // what target to build for. Here we do not override the defaults, which\n // means any target is allowed, and the default is native. Other options\n // for restricting supported target set are available.\n const target = b.standardTargetOptions(.{}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "build.zig", "type": "function", "name": "build", "difficulty": "easy" } }, { "instruction": "Write a Zig function similar to mkdtemp from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/common.zig", "response": "pub fn mkdtemp(in: []u8) !void {\n try std.posix.getrandom(in[in.len - 6 ..]);\n for (in[in.len - 6 ..]) |*v| {\n v.* = letters[v.* % letters.len];\n }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/common.zig", "type": "function", "name": "mkdtemp", "difficulty": "medium" } }, { "instruction": "Write a Zig function similar to extract_file from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/common.zig", "response": "pub fn extract_file(tmpDir: []const u8, name: []const u8, data: []const u8, allocator: std.mem.Allocator) ![]const u8 {\n const path = try std.fmt.allocPrint(allocator, \"{s}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/common.zig", "type": "function", "name": "extract_file", "difficulty": "medium" } }, { "instruction": "Write a Zig function similar to getFooter from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/common.zig", "response": "pub fn getFooter(path: []const u8) !Footer {\n var file = try std.fs.cwd().openFile(path, .{}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/common.zig", "type": "function", "name": "getFooter", "difficulty": "easy" } }, { "instruction": "Write a Zig function similar to writeFooter from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/common.zig", "response": "pub fn writeFooter(file: std.fs.File, footer: Footer) !void {\n comptime std.debug.assert(@typeInfo(Footer).Struct.layout != .auto);\n\n if (native_endian != std.builtin.Endian.little) {\n std.mem.byteSwapAllFields(Footer, &footer);\n }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/common.zig", "type": "function", "name": "writeFooter", "difficulty": "medium" } }, { "instruction": "Write a Zig function similar to get_runtime_content_len_u64 from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/dockerc.zig", "response": "fn get_runtime_content_len_u64(runtime_content: []const u8) [8]u8 {\n var buf: [8]u8 = undefined;\n std.mem.writeInt(u64, &buf, runtime_content.len, .big);\n return buf;\n}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/dockerc.zig", "type": "function", "name": "get_runtime_content_len_u64", "difficulty": "easy" } }, { "instruction": "Write a Zig function similar to mksquashfs_main from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/dockerc.zig", "response": "fn mksquashfs_main(argc: c_int, argv: [*:null]const ?[*:0]const u8) void;\n\npub fn main() !void {\n var gpa = std.heap.GeneralPurposeAllocator(.{}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/dockerc.zig", "type": "function", "name": "mksquashfs_main", "difficulty": "medium" } }, { "instruction": "Write a Zig function similar to main from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/extract_squashfs.zig", "response": "pub fn main() !void {\n var args = std.process.args();\n assert(args.skip());\n\n if (args.next()) |dockercGeneratedBinary| {\n if (args.next()) |squashfsOutput| {\n const offset = (try common.getFooter(dockercGeneratedBinary)).offset;\n\n const readFile = try std.fs.cwd().openFile(dockercGeneratedBinary, .{}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/extract_squashfs.zig", "type": "function", "name": "main", "difficulty": "easy" } }, { "instruction": "Write a Zig function similar to squashfuse_main from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn squashfuse_main(argc: c_int, argv: [*:null]const ?[*:0]const u8) c_int;\nextern fn overlayfs_main(argc: c_int, argv: [*:null]const ?[*:0]const u8) c_int;\n\nconst eql = std.mem.eql;\n\n// inspired from std.posix.getenv\nfn getEnvFull(key: []const u8) ?[:0]const u8 {\n var ptr = std.c.environ;\n while (ptr[0]) |line| : (ptr += 1) {\n var line_i: usize = 0;\n while (line[line_i] != 0 and line[line_i] != '=') : (line_i += 1) {}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "squashfuse_main", "difficulty": "easy" } }, { "instruction": "Write a Zig function similar to toValue from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn toValue(self: @This(), allocator: Allocator) !std.json.Value {\n var object = std.json.ObjectMap.init(allocator);\n try object.put(\"containerID\", std.json.Value{\n .integer = self.containerID,\n }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "toValue", "difficulty": "medium" } }, { "instruction": "Write a Zig function similar to intToString from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn intToString(allocator: Allocator, v: i64) ![]u8 {\n return std.fmt.allocPrint(allocator, \"{}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "intToString", "difficulty": "easy" } }, { "instruction": "Write a Zig function similar to newgidmap from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn newgidmap(allocator: Allocator, pid: i64, gid_mappings: IDMappings) !void {\n return uidgidmap_helper(allocator, \"newgidmap\", pid, gid_mappings);\n}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "newgidmap", "difficulty": "medium" } }, { "instruction": "Write a Zig function similar to newuidmap from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn newuidmap(allocator: Allocator, pid: i64, uid_mappings: IDMappings) !void {\n return uidgidmap_helper(allocator, \"newuidmap\", pid, uid_mappings);\n}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "newuidmap", "difficulty": "medium" } }, { "instruction": "Write a Zig function similar to uidgidmap_helper from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn uidgidmap_helper(child_allocator: Allocator, helper: []const u8, pid: i64, uid_mappings: IDMappings) !void {\n var arena = std.heap.ArenaAllocator.init(child_allocator);\n const allocator = arena.allocator();\n defer arena.deinit();\n\n var argv = try std.ArrayList([]const u8).initCapacity(allocator, 2 + 3 * uid_mappings.len);\n argv.appendAssumeCapacity(helper);\n // TODO: specify pid using fd:N to avoid a TOCTTOU, see newuidmap(1)\n argv.appendAssumeCapacity(try intToString(allocator, pid));\n\n for (uid_mappings) |uid_mapping| {\n argv.appendAssumeCapacity(try intToString(allocator, uid_mapping.containerID));\n argv.appendAssumeCapacity(try intToString(allocator, uid_mapping.hostID));\n argv.appendAssumeCapacity(try intToString(allocator, uid_mapping.size));\n }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "uidgidmap_helper", "difficulty": "medium" } }, { "instruction": "Write a Zig function similar to IDMappingsToValue from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn IDMappingsToValue(allocator: Allocator, id_mappings: IDMappings) !std.json.Value {\n var array = try std.json.Array.initCapacity(allocator, id_mappings.len);\n for (id_mappings) |id_mapping| {\n array.appendAssumeCapacity(try id_mapping.toValue(allocator));\n }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "IDMappingsToValue", "difficulty": "medium" } }, { "instruction": "Write a Zig function similar to nextNumber from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn nextNumber(self: *IdMapParser) ?i64 {\n while (self.index < self.bytes.len and (self.bytes[self.index] < '0' or self.bytes[self.index] > '9')) {\n self.index += 1;\n }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "nextNumber", "difficulty": "easy" } }, { "instruction": "Write a Zig function similar to parseIdmap from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn parseIdmap(allocator: Allocator, bytes: []const u8) !IDMappings {\n var idmap_parser = IdMapParser{ .bytes = bytes }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "parseIdmap", "difficulty": "medium" } }, { "instruction": "Write a Zig function similar to updateIdMap from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn updateIdMap(id_mappings: IDMappings) void {\n var runningId: i64 = 0;\n\n for (id_mappings) |*id_mapping| {\n id_mapping.*.hostID = id_mapping.*.containerID;\n id_mapping.*.containerID = runningId;\n runningId += id_mapping.*.size;\n }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "updateIdMap", "difficulty": "easy" } }, { "instruction": "Write a Zig function similar to getContainerFromArgs from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn getContainerFromArgs(file: std.fs.File, rootfs_absolute_path: []const u8, parentAllocator: std.mem.Allocator) ![*c]c.libcrun_container_t {\n var arena = std.heap.ArenaAllocator.init(parentAllocator);\n defer arena.deinit();\n const allocator = arena.allocator();\n\n var jsonReader = std.json.reader(allocator, file.reader());\n\n // TODO: having to specify max_value_len seems like a bug\n var root_value = try std.json.Value.jsonParse(allocator, &jsonReader, .{ .max_value_len = 99999999 }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "getContainerFromArgs", "difficulty": "medium" } }, { "instruction": "Write a Zig function similar to check_unprivileged_userns_permissions from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn check_unprivileged_userns_permissions() void {\n var sysctl_paths = [_]struct { path: []const u8, expected_value: u8, expected_value_is_set: bool }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "check_unprivileged_userns_permissions", "difficulty": "easy" } }, { "instruction": "Write a Zig function similar to umount from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "fn umount(path: [*:0]const u8) void {\n const umountRet: i64 = @bitCast(std.os.linux.umount(path));\n if (umountRet != 0) {\n assert(umountRet < 0 and umountRet > -4096);\n const errno: std.posix.E = @enumFromInt(-umountRet);\n std.debug.panic(\"Failed to unmount {s}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "umount", "difficulty": "easy" } }, { "instruction": "Write a Zig function similar to main from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "pub fn main() !u8 {\n var args = std.process.args();\n const executable_path = args.next() orelse @panic(\"unreachable: there must be a executable name\");\n\n while (args.next()) |arg| {\n if (eql(u8, arg, \"--dockerc-version\")) {\n std.debug.print(\"dockerc version: {s}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "function", "name": "main", "difficulty": "easy" } }, { "instruction": "Write a Zig struct similar to IDMapping from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "const IDMapping = struct {\n containerID: i64,\n hostID: i64,\n size: i64,\n\n fn toValue(self: @This(), allocator: Allocator) !std.json.Value {\n var object = std.json.ObjectMap.init(allocator);\n try object.put(\"containerID\", std.json.Value{\n .integer = self.containerID,\n }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "struct", "name": "IDMapping", "difficulty": "medium" } }, { "instruction": "Write a Zig struct similar to IdMapParser from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "const IdMapParser = struct {\n bytes: []const u8,\n index: usize = 0,\n\n fn nextNumber(self: *IdMapParser) ?i64 {\n while (self.index < self.bytes.len and (self.bytes[self.index] < '0' or self.bytes[self.index] > '9')) {\n self.index += 1;\n }", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "struct", "name": "IdMapParser", "difficulty": "easy" } }, { "instruction": "Write a Zig const similar to umountRet from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "const umountRet: i64 = @bitCast(std.os.linux.umount(path));", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "const", "name": "umountRet", "difficulty": "easy" } }, { "instruction": "Write a Zig const similar to errno from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "const errno: std.posix.E = @enumFromInt(-umountRet);", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "const", "name": "errno", "difficulty": "easy" } }, { "instruction": "Write a Zig const similar to pid from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/main.zig", "response": "const pid: i64 = @bitCast(std.os.linux.clone2(std.os.linux.CLONE.NEWUSER | std.os.linux.CLONE.NEWNS | std.os.linux.SIG.CHLD, 0));", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/main.zig", "type": "const", "name": "pid", "difficulty": "easy" } }, { "instruction": "Write a Zig function similar to main from NilsIrl/dockerc", "context": "Repository: NilsIrl/dockerc (4820 ⭐)\nFile: src/replace.zig", "response": "pub fn main() !void {\n var args = std.process.args();\n assert(args.skip());\n const rawPath = args.next();\n const rawPathOutput = args.next();\n\n if (rawPath) |path| {\n if (rawPathOutput) |path_output| {\n const offset = (try common.getFooter(path)).offset;\n\n const readFile = try std.fs.cwd().openFile(path, .{}", "metadata": { "repo": "NilsIrl/dockerc", "stars": 4820, "file": "src/replace.zig", "type": "function", "name": "main", "difficulty": "easy" } } ]