src/main.zig

@@ -14,7 +14,13 @@ fn getPrompt(allocator: Allocator) ![]const u8 {
     return result.stdout;
 }
 
-fn runCommand(command: []const u8, allocator: Allocator) !u8 {
+fn runCommand(command: [][]const u8, allocator: Allocator) !u8 {
+    var child = std.process.Child.init(command, allocator);
+    const result = try child.spawnAndWait();
+    return result.Exited;
+}
+
+fn tokenizeCommand(command: []const u8, allocator: Allocator) ![][]const u8 {
     var argv_array_list = ArrayList([]const u8).init(allocator);
     defer argv_array_list.deinit();
 
@@ -22,13 +28,7 @@ fn runCommand(command: []const u8, allocator: Allocator) !u8 {
     while (tokens.next()) |token| {
         try argv_array_list.append(token);
     }
-
-    var child = std.process.Child.init(argv_array_list.items, allocator);
-    const result = child.spawnAndWait() catch |err| {
-        std.log.debug("Error forking", .{});
-        return err;
-    };
-    return result.Exited;
+    return argv_array_list.toOwnedSlice();
 }
 
 pub fn main() !void {
@@ -36,7 +36,6 @@ pub fn main() !void {
 
     var gpa = std.heap.GeneralPurposeAllocator(.{}).init;
     defer _ = gpa.deinit();
-    defer _ = gpa.detectLeaks();
 
     const allocator = gpa.allocator();
 
@@ -48,9 +47,13 @@ pub fn main() !void {
 
     while (try ln.linenoise(p)) |input| {
         defer allocator.free(input);
-        std.debug.print("input: {s}\n", .{input});
         try ln.history.add(input);
-        _ = try runCommand(input, allocator);
+        const command = try tokenizeCommand(input, allocator);
+        defer allocator.free(command);
+        _ = runCommand(command, allocator) catch |err| switch (err) {
+            error.FileNotFound => stdout.print("mash: {s}: command not found", .{command[0]}) catch unreachable,
+            else => std.log.debug("Unkown error: {}", .{err}),
+        };
     }
 }