From 2cb9b6fdc38a5df00ade737f90a9daf685ab89c3 Mon Sep 17 00:00:00 2001
From: flu0r1ne <flu0r1ne@flu0r1ne.net>
Date: Thu, 13 Jul 2023 12:20:29 -0500
Subject: Init commit

---
 src/utils/utils.cpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/utils/utils.cpp

(limited to 'src/utils/utils.cpp')

diff --git a/src/utils/utils.cpp b/src/utils/utils.cpp
new file mode 100644
index 0000000..a1818a0
--- /dev/null
+++ b/src/utils/utils.cpp
@@ -0,0 +1,23 @@
+#include "utils/utils.hpp"
+
+#include <cmath>
+#include <cstdio>
+
+void format_rate(std::string & s, double rate) {
+	static const char MAX_FORMAT[] = "00000.00";
+
+	if(std::isinf(rate) || std::isnan(rate)) {
+		rate = 0.0;
+	}
+
+	s.resize(sizeof(MAX_FORMAT));
+
+	int wrlen = snprintf(&s[0], s.size(), "%05.2f", rate);
+	int sz = strlen(s.c_str());
+
+	if(sz != wrlen) {
+		s.assign("ERR");
+	} else {
+		s.resize(sz);
+	}
+}
-- 
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