1 files changed, 75 insertions, 0 deletions
diff --git a/sys/cmd/cp/cp.c b/sys/cmd/cp/cp.c
new file mode 100644
index 0000000..dfe2922
--- /dev/null
+++ b/sys/cmd/cp/cp.c
@@ -0,0 +1,75 @@
+#include <u.h>
+#include <libn.h>
+
+static struct Flags {
+    uchar a : 1;
+    uchar f : 1;
+    uchar p : 1;
+    uchar v : 1;
+    uchar r : 1;
+} flag;
+static char follow;
+
+static
+int
+cp(char *from, char *to)
+{
+
+}
+
+/*
+ * P -> never dereference
+ * L -> dereference links 
+ * H -> dereference links on the first level
+ */
+static
+void
+usage(void)
+{
+    fputs("usage: cp [-afpv] [-[r|R] [-H | -L | -P]] source ... dest", stderr);
+    exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+    io·Stat info;
+
+    ARGBEGIN {
+    case 'a':
+        follow = 'P';
+        flag.a = flag.p = flag.r = 1;
+        break;
+    case 'f':
+        flag.f = 1;
+        break;
+    case 'p':
+        flag.p = 1;
+        break;
+    case 'r':
+    /* fallthrough */
+    case 'R':
+        flag.r = 1;
+        break;
+    case 'H':
+    case 'L':
+    case 'P':
+        follow = ARGC();
+        break;
+    default:
+        usage();
+    } ARGEND;
+
+    if (argc < 2)
+        usage();
+
+    if (!follow)
+        follow = flag.r ? 'P' : 'L';
+
+    if (argc > 2) {
+        if (stat(argv[argc-1], &info) < 0)
+            errorf("stat %s: %s", argv[argc-1], strerror(errno));
+        if (!S_ISDIR(info.st_mode))
+            errorf("%s: is not a directory", argv[argc-1]); 
+    }
+}