Squash commits for public release

userland/utilities/mkdir/.info.mk

@@ -0,0 +1,5 @@
+APPS += MKDIR
+
+MKDIR_NAME = mkdir
+MKDIR_LIBS = c
+MKDIR_INSTALL_PATH = bin/

userland/utilities/mkdir/BUILD.gn

@@ -0,0 +1,8 @@
+import("//build/userland/TEMPLATE.gni")
+
+xOS_executable("mkdir") {
+  install_path = "bin/"
+  sources = [ "main.c" ]
+  configs = [ "//build/userland:userland_flags" ]
+  deplibs = [ "libc" ]
+}

userland/utilities/mkdir/main.c

@@ -0,0 +1,19 @@
+#include <sys/stat.h>
+#include <unistd.h>
+
+int main(int argc, char** argv)
+{
+    if (argc < 2) {
+        write(1, "Usage: mkdir files...\n", 22);
+        return 0;
+    }
+
+    for (int i = 1; i < argc; i++) {
+        if (mkdir(argv[i]) < 0) {
+            write(1, "mkdir: failed to create\n", 26);
+            return 1;
+        }
+    }
+
+    return 0;
+}