1 files changed, 35 insertions, 0 deletions
diff --git a/common/util.c b/common/util.c
index f8a0519f17..f1c3e9a41e 100644
--- a/common/util.c
+++ b/common/util.c
@@ -424,3 +424,38 @@ int cond_went(cond_t *c, int val)
 
 	return ret;
 }
+
+/****************************************************************************/
+/* console command parsing */
+
+/**
+ * Parse offset and size from command line argv[shift] and argv[shift+1]
+ *
+ * Default values: If argc<=shift, leaves offset unchanged, returning error if
+ * *offset<0.  If argc<shift+1, leaves size unchanged, returning error if
+ * *size<0.
+ */
+int parse_offset_size(int argc, char **argv, int shift,
+			     int *offset, int *size)
+{
+	char *e;
+	int i;
+
+	if (argc > shift) {
+		i = (uint32_t)strtoi(argv[shift], &e, 0);
+		if (*e)
+			return EC_ERROR_PARAM1;
+		*offset = i;
+	} else if (*offset < 0)
+		return EC_ERROR_PARAM_COUNT;
+
+	if (argc > shift + 1) {
+		i = (uint32_t)strtoi(argv[shift + 1], &e, 0);
+		if (*e)
+			return EC_ERROR_PARAM2;
+		*size = i;
+	} else if (*size < 0)
+		return EC_ERROR_PARAM_COUNT;
+
+	return EC_SUCCESS;
+}