1 files changed, 132 insertions, 0 deletions
diff --git a/src/spdk/dpdk/lib/librte_cmdline/cmdline_vt100.c b/src/spdk/dpdk/lib/librte_cmdline/cmdline_vt100.c
new file mode 100644
index 000000000..662fc7345
--- /dev/null
+++ b/src/spdk/dpdk/lib/librte_cmdline/cmdline_vt100.c
@@ -0,0 +1,132 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation.
+ * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
+ * All rights reserved.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <termios.h>
+
+#include "cmdline_vt100.h"
+
+const char *cmdline_vt100_commands[] = {
+	vt100_up_arr,
+	vt100_down_arr,
+	vt100_right_arr,
+	vt100_left_arr,
+	"\177",
+	"\n",
+	"\001",
+	"\005",
+	"\013",
+	"\031",
+	"\003",
+	"\006",
+	"\002",
+	vt100_suppr,
+	vt100_tab,
+	"\004",
+	"\014",
+	"\r",
+	"\033\177",
+	vt100_word_left,
+	vt100_word_right,
+	"?",
+	"\027",
+	"\020",
+	"\016",
+	"\033\144",
+	vt100_bs,
+};
+
+void
+vt100_init(struct cmdline_vt100 *vt)
+{
+	if (!vt)
+		return;
+	vt->state = CMDLINE_VT100_INIT;
+}
+
+
+static int
+match_command(char *buf, unsigned int size)
+{
+	const char *cmd;
+	size_t cmdlen;
+	unsigned int i = 0;
+
+	for (i=0 ; i<sizeof(cmdline_vt100_commands)/sizeof(const char *) ; i++) {
+		cmd = *(cmdline_vt100_commands + i);
+
+		cmdlen = strnlen(cmd, CMDLINE_VT100_BUF_SIZE);
+		if (size == cmdlen &&
+		    !strncmp(buf, cmd, cmdlen)) {
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+int
+vt100_parser(struct cmdline_vt100 *vt, char ch)
+{
+	unsigned int size;
+	uint8_t c = (uint8_t) ch;
+
+	if (!vt)
+		return -1;
+
+	if (vt->bufpos >= CMDLINE_VT100_BUF_SIZE) {
+		vt->state = CMDLINE_VT100_INIT;
+		vt->bufpos = 0;
+	}
+
+	vt->buf[vt->bufpos++] = c;
+	size = vt->bufpos;
+
+	switch (vt->state) {
+	case CMDLINE_VT100_INIT:
+		if (c == 033) {
+			vt->state = CMDLINE_VT100_ESCAPE;
+		}
+		else {
+			vt->bufpos = 0;
+			goto match_command;
+		}
+		break;
+
+	case CMDLINE_VT100_ESCAPE:
+		if (c == 0133) {
+			vt->state = CMDLINE_VT100_ESCAPE_CSI;
+		}
+		else if (c >= 060 && c <= 0177) { /* XXX 0177 ? */
+			vt->bufpos = 0;
+			vt->state = CMDLINE_VT100_INIT;
+			goto match_command;
+		}
+		break;
+
+	case CMDLINE_VT100_ESCAPE_CSI:
+		if (c >= 0100 && c <= 0176) {
+			vt->bufpos = 0;
+			vt->state = CMDLINE_VT100_INIT;
+			goto match_command;
+		}
+		break;
+
+	default:
+		vt->bufpos = 0;
+		break;
+	}
+
+	return -2;
+
+ match_command:
+	return match_command(vt->buf, size);
+}