From 81fed70379578f4fe6255fdf33699675179ffe91 Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Thu, 18 Jun 2020 19:49:01 -0700
Subject: feat: small coreutils added

---
 sys/cmd/cp/cp.c     | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 sys/cmd/cp/rules.mk | 26 +++++++++++++++++++
 2 files changed, 101 insertions(+)
 create mode 100644 sys/cmd/cp/cp.c
 create mode 100644 sys/cmd/cp/rules.mk

(limited to 'sys/cmd/cp')

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]); 
+    }
+}
diff --git a/sys/cmd/cp/rules.mk b/sys/cmd/cp/rules.mk
new file mode 100644
index 0000000..500b001
--- /dev/null
+++ b/sys/cmd/cp/rules.mk
@@ -0,0 +1,26 @@
+include share/push.mk
+# Iterate through subdirectory tree
+
+# Local sources
+SRCS_$(d) :=
+LIBS_$(d) :=
+BINS_$(d) :=
+TSTS_$(d) :=
+
+include share/paths.mk
+
+# Local rules
+# $(LIBS_$(d)) = TCFLAGS :=
+# $(LIBS_$(d)) = TCINCS  :=
+# $(LIBS_$(d)) = TCLIBS  :=
+
+$(LIBS_$(d)): $(OBJS_$(d))
+	$(ARCHIVE)
+
+$(BINS_$(d)): $(OBJS_$(d))
+	$(LINK)
+
+$(UNTS_$(d)): $(TOBJS_$(d)) $(LIBS_$(d))
+	$(LINK)
+
+include share/pop.mk
-- 
cgit v1.2.1