[cmdline] Add "iseq" command

Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/core/exec.c b/src/core/exec.c
index 18d3477ecc8134647b3a7a258262d98812fa54a3..bfc0c97f05e75cbf285291a7242f0116d7d5754f 100644 (file)
--- a/src/core/exec.c
+++ b/src/core/exec.c
@@ -490,3 +490,40 @@ struct command isset_command __command = {
        .name = "isset",
        .exec = isset_exec,
 };
+
+/** "iseq" options */
+struct iseq_options {};
+
+/** "iseq" option list */
+static struct option_descriptor iseq_opts[] = {};
+
+/** "iseq" command descriptor */
+static struct command_descriptor iseq_cmd =
+       COMMAND_DESC ( struct iseq_options, iseq_opts, 2, 2,
+                      "<value1> <value2>" );
+
+/**
+ * "iseq" command
+ *
+ * @v argc             Argument count
+ * @v argv             Argument list
+ * @ret rc             Return status code
+ */
+static int iseq_exec ( int argc, char **argv ) {
+       struct iseq_options opts;
+       int rc;
+
+       /* Parse options */
+       if ( ( rc = parse_options ( argc, argv, &iseq_cmd, &opts ) ) != 0 )
+               return rc;
+
+       /* Return success iff arguments are equal */
+       return ( ( strcmp ( argv[optind], argv[ optind + 1 ] ) == 0 ) ?
+                0 : -ERANGE );
+}
+
+/** "iseq" command */
+struct command iseq_command __command = {
+       .name = "iseq",
+       .exec = iseq_exec,
+};