killを追加

CHANGELOG.md

@@ -14,3 +14,4 @@
 * wcを追加（完了）
 * basenameを追加（完了）
 * dirnameを追加（完了）
+* killを追加（完了）

TODO.md

@@ -1,6 +1,7 @@
 * [ ] awk
 * [x] basename
 * [x] cat
+* [ ] cd
 * [ ] chmod
 * [ ] chown
 * [ ] cksum
@@ -21,7 +22,7 @@
 * [ ] hostname
 * [ ] id
 * [ ] install
-* [ ] kill
+* [x] kill
 * [ ] ln
 * [-] ls
 * [ ] md5sum

build.zig

@@ -30,6 +30,9 @@ pub fn build(b: *std.Build) !void {
     const bin_groups = b.addExecutable(.{ .name = "groups", .root_source_file = .{ .path = "src/groups.zig" }, .target = target, .optimize = optimize });
     b.installArtifact(bin_groups);
 
+    const bin_kill = b.addExecutable(.{ .name = "kill", .root_source_file = .{ .path = "src/kill.zig" }, .target = target, .optimize = optimize });
+    b.installArtifact(bin_kill);
+
     const bin_ls = b.addExecutable(.{ .name = "ls", .root_source_file = .{ .path = "src/ls.zig" }, .target = target, .optimize = optimize });
     bin_ls.addModule("toki", lib_toki.module("toki"));
     bin_ls.linkLibrary(lib_toki.artifact("toki"));

src/kill.zig

@@ -0,0 +1,78 @@
+const std = @import("std");
+const fs = std.fs;
+const io = std.io;
+const os = std.os;
+
+const version = @import("version.zig");
+
+fn help() !void {
+    const stdof = io.getStdOut().writer();
+    var bw = io.bufferedWriter(stdof);
+    const stdout = bw.writer();
+
+    try stdout.print("076 coreutils\n", .{});
+    try stdout.print("使用法: kill [オプション]... [PID]...\n", .{});
+    try stdout.print("プロセスを終了\n\n", .{});
+    try stdout.print("-h ヘルプを表示\n", .{});
+    try stdout.print("-v バージョンを表示\n", .{});
+
+    try bw.flush();
+}
+
+pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer _ = gpa.deinit();
+    const alloc = gpa.allocator();
+
+    var option = std.ArrayList(u8).init(alloc);
+    defer option.deinit();
+
+    var pids = std.ArrayList([]const u8).init(alloc);
+    defer pids.deinit();
+
+    const args = try std.process.argsAlloc(alloc);
+    defer std.process.argsFree(alloc, args);
+
+    const stdof = io.getStdOut().writer();
+    var bw = io.bufferedWriter(stdof);
+    const stdout = bw.writer();
+
+    for (args, 0..) |arg, i| {
+        if (i == 0) continue;
+        var m: [1]u8 = [_]u8{'-'};
+        if (std.mem.eql(u8, arg[0..1], m[0..])) {
+            for (arg, 0..) |a, j| {
+                if (j == 0) continue;
+                try option.append(a);
+            }
+        } else {
+            try pids.append(arg);
+        }
+    }
+
+    var signal: u8 = 0;
+
+    for (option.items) |i| {
+        if (i == 'h') {
+            try help();
+            return;
+        } else if (i == 'v') {
+            try version.ver("kill");
+            return;
+        } else {
+            signal = i;
+        }
+    }
+
+    if (pids.items.len == 0) {
+        try help();
+    } else {
+        for (pids.items) |item| {
+            const pid = try std.fmt.parseInt(os.pid_t, item, 10);
+            _ = try os.kill(pid, signal);
+            try stdout.print("酷いよ！！プロセス {} を殺しました。まぁ、しょうがないね…\n", .{pid});
+        }
+    }
+
+    try bw.flush();
+}