1 files changed, 92 insertions, 0 deletions
diff --git a/src/utils/edit_simple.c b/src/utils/edit_simple.c
new file mode 100644
index 0000000000000..a095ea6abec5a
--- /dev/null
+++ b/src/utils/edit_simple.c
@@ -0,0 +1,92 @@
+/*
+ * Minimal command line editing
+ * Copyright (c) 2010, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "edit.h"
+
+
+#define CMD_BUF_LEN 256
+static char cmdbuf[CMD_BUF_LEN];
+static int cmdbuf_pos = 0;
+static const char *ps2 = NULL;
+
+static void *edit_cb_ctx;
+static void (*edit_cmd_cb)(void *ctx, char *cmd);
+static void (*edit_eof_cb)(void *ctx);
+
+
+static void edit_read_char(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	int c;
+	unsigned char buf[1];
+	int res;
+
+	res = read(sock, buf, 1);
+	if (res < 0)
+		perror("read");
+	if (res <= 0) {
+		edit_eof_cb(edit_cb_ctx);
+		return;
+	}
+	c = buf[0];
+
+	if (c == '\r' || c == '\n') {
+		cmdbuf[cmdbuf_pos] = '\0';
+		cmdbuf_pos = 0;
+		edit_cmd_cb(edit_cb_ctx, cmdbuf);
+		printf("%s> ", ps2 ? ps2 : "");
+		fflush(stdout);
+		return;
+	}
+
+	if (c >= 32 && c <= 255) {
+		if (cmdbuf_pos < (int) sizeof(cmdbuf) - 1) {
+			cmdbuf[cmdbuf_pos++] = c;
+		}
+	}
+}
+
+
+int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
+	      void (*eof_cb)(void *ctx),
+	      char ** (*completion_cb)(void *ctx, const char *cmd, int pos),
+	      void *ctx, const char *history_file, const char *ps)
+{
+	edit_cb_ctx = ctx;
+	edit_cmd_cb = cmd_cb;
+	edit_eof_cb = eof_cb;
+	eloop_register_read_sock(STDIN_FILENO, edit_read_char, NULL, NULL);
+	ps2 = ps;
+
+	printf("%s> ", ps2 ? ps2 : "");
+	fflush(stdout);
+
+	return 0;
+}
+
+
+void edit_deinit(const char *history_file,
+		 int (*filter_cb)(void *ctx, const char *cmd))
+{
+	eloop_unregister_read_sock(STDIN_FILENO);
+}
+
+
+void edit_clear_line(void)
+{
+}
+
+
+void edit_redraw(void)
+{
+	cmdbuf[cmdbuf_pos] = '\0';
+	printf("\r> %s", cmdbuf);
+}