3 files changed, 35 insertions, 0 deletions
diff --git a/bin/echo/Kbuild b/bin/echo/Kbuild
new file mode 100644
index 00000000..919423fd
--- /dev/null
+++ b/bin/echo/Kbuild
@@ -0,0 +1,5 @@
+bin-y := echo
+
+libs-y += $(srctree)/lib/libc/libc.a
+
+obj-y += echo.o
diff --git a/bin/echo/echo b/bin/echo/echo
new file mode 100755
index 00000000..c9bbb0df
--- /dev/null
+++ b/bin/echo/echo
diff --git a/bin/echo/echo.c b/bin/echo/echo.c
new file mode 100644
index 00000000..b8e5bbe0
--- /dev/null
+++ b/bin/echo/echo.c
@@ -0,0 +1,30 @@
+#include <string.h>
+#include <unistd.h>
+#include <sys/uio.h>
+
+int main(int argc, char **argv)
+{
+	if (argc <= 1)
+		return 0;
+
+	struct iovec iov[2 * argc - 2];
+	int iovcnt = 0;
+
+	for (int i = 1; i < argc; i++) {
+		iov[iovcnt].iov_base = argv[i];
+		iov[iovcnt].iov_len = strlen(argv[i]);
+		iovcnt++;
+
+		if (i < argc - 1) {
+			iov[iovcnt].iov_base = " ";
+			iov[iovcnt].iov_len = 1;
+			iovcnt++;
+		}
+	}
+
+	iov[iovcnt].iov_base = "\n";
+	iov[iovcnt].iov_len = 1;
+	iovcnt++;
+
+	return writev(STDOUT_FILENO, iov, iovcnt) < 0 ? 1 : 0;
+}