From 4133f2d8ba0d49c6d9a6a93650a81743aef81fa4 Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周日, 04 10月 2015 18:49:28 +0800
Subject: [PATCH] Correct test to use Unsigned version of function
---
libscpi/src/parser.c | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/libscpi/src/parser.c b/libscpi/src/parser.c
index c307a37..9032c9c 100644
--- a/libscpi/src/parser.c
+++ b/libscpi/src/parser.c
@@ -1093,3 +1093,24 @@
scpi_bool_t SCPI_CommandNumbers(scpi_t * context, int32_t * numbers, size_t len) {
return matchCommand (context->param_list.cmd->pattern, context->param_list.cmd_raw.data, context->param_list.cmd_raw.length, numbers, len);
}
+
+/**
+ * If SCPI_Parameter() returns FALSE, this function can detect, if the parameter
+ * is just missing (TRUE) or if there was an error during processing of the command (FALSE)
+ * @param parameter
+ * @return
+ */
+scpi_bool_t SCPI_ParamIsValid(scpi_parameter_t * parameter)
+{
+ return parameter->type == SCPI_TOKEN_UNKNOWN ? FALSE : TRUE;
+}
+
+/**
+ * Returns TRUE if there was an error during parameter handling
+ * @param context
+ * @return
+ */
+scpi_bool_t SCPI_ParamErrorOccurred(scpi_t * context)
+{
+ return context->cmd_error;
+}
--
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