From 6e108cc25e75ec74013838620b26dabdd480718a Mon Sep 17 00:00:00 2001
From: Lorenz Kästle <12514511+RincewindsHat@users.noreply.github.com>
Date: Sun, 30 Mar 2025 22:36:07 +0200
Subject: Add more helpers to perfdata functions

---
 lib/perfdata.c | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)

(limited to 'lib/perfdata.c')

diff --git a/lib/perfdata.c b/lib/perfdata.c
index 4f9c9558..1742342e 100644
--- a/lib/perfdata.c
+++ b/lib/perfdata.c
@@ -514,3 +514,90 @@ perfdata_value_parser_wrapper parse_pd_value(const char *input) {
 	}
 	return result;
 }
+
+mp_perfdata mp_set_pd_max_value(mp_perfdata perfdata, mp_perfdata_value value) {
+	perfdata.max = value;
+	perfdata.max_present = true;
+	return perfdata;
+}
+
+mp_perfdata mp_set_pd_min_value(mp_perfdata perfdata, mp_perfdata_value value) {
+	perfdata.min = value;
+	perfdata.min_present = true;
+	return perfdata;
+}
+
+double mp_get_pd_value(mp_perfdata_value value) {
+	assert(value.type != PD_TYPE_NONE);
+	switch (value.type) {
+	case PD_TYPE_DOUBLE:
+		return value.pd_double;
+	case PD_TYPE_INT:
+		return (double)value.pd_int;
+	case PD_TYPE_UINT:
+		return (double)value.pd_uint;
+	default:
+		return 0; // just to make the compiler happy
+	}
+}
+
+mp_perfdata_value mp_pd_value_multiply(mp_perfdata_value left, mp_perfdata_value right) {
+	if (left.type == right.type) {
+		switch (left.type) {
+		case PD_TYPE_DOUBLE:
+			left.pd_double *= right.pd_double;
+			return left;
+		case PD_TYPE_INT:
+			left.pd_int *= right.pd_int;
+			return left;
+		case PD_TYPE_UINT:
+			left.pd_uint *= right.pd_uint;
+			return left;
+		default:
+			// what to here?
+			return left;
+		}
+	}
+
+	// Different types, oh boy, just do the lazy thing for now and switch to double
+	switch (left.type) {
+	case PD_TYPE_INT:
+		left.pd_double = (double)left.pd_int;
+		left.type = PD_TYPE_DOUBLE;
+		break;
+	case PD_TYPE_UINT:
+		left.pd_double = (double)left.pd_uint;
+		left.type = PD_TYPE_DOUBLE;
+		break;
+	case PD_TYPE_DOUBLE:
+	default:
+		// already there
+	}
+
+	switch (right.type) {
+	case PD_TYPE_INT:
+		right.pd_double = (double)right.pd_int;
+		right.type = PD_TYPE_DOUBLE;
+		break;
+	case PD_TYPE_UINT:
+		right.pd_double = (double)right.pd_uint;
+		right.type = PD_TYPE_DOUBLE;
+		break;
+	case PD_TYPE_DOUBLE:
+	default:
+		// already there
+	}
+
+	left.pd_double *= right.pd_double;
+	return left;
+}
+
+mp_range mp_range_multiply(mp_range range, mp_perfdata_value factor) {
+	if (!range.end_infinity) {
+		range.end = mp_pd_value_multiply(range.end, factor);
+	}
+	if (!range.start_infinity) {
+		range.start = mp_pd_value_multiply(range.start, factor);
+	}
+	return range;
+}
-- 
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