1 files changed, 52 insertions, 0 deletions
diff --git a/util/sbase/cat.c b/util/sbase/cat.c
new file mode 100644
index 00000000..211e8d11
--- /dev/null
+++ b/util/sbase/cat.c
@@ -0,0 +1,52 @@
+/* See LICENSE file for copyright and license details. */
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "util.h"
+
+static void
+usage(void)
+{
+	eprintf("usage: %s [-u] [file ...]\n", argv0);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int fd, ret = 0;
+
+	ARGBEGIN {
+	case 'u':
+		break;
+	default:
+		usage();
+	} ARGEND
+
+	if (!argc) {
+		if (concat(0, "<stdin>", 1, "<stdout>") < 0)
+			ret = 1;
+	} else {
+		for (; *argv; argc--, argv++) {
+			if (!strcmp(*argv, "-")) {
+				*argv = "<stdin>";
+				fd = 0;
+			} else if ((fd = open(*argv, O_RDONLY)) < 0) {
+				weprintf("open %s:", *argv);
+				ret = 1;
+				continue;
+			}
+			switch (concat(fd, *argv, 1, "<stdout>")) {
+			case -1:
+				ret = 1;
+				break;
+			case -2:
+				return 1;  /* exit on write error */
+			}
+			if (fd != 0)
+				close(fd);
+		}
+	}
+
+	return ret;
+}