From f3eb2093a3b733abb770578f741cec570aa106d2 Mon Sep 17 00:00:00 2001
From: Johannes Lange <johannes.lange@rwth-aachen.de>
Date: Thu, 29 Dec 2016 19:35:15 +0100
Subject: [PATCH] added strip_trailing_spaces() function that removes
 spaces/tabs at the end of a string

---
 utils.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/utils.h b/utils.h
index fd78c1fb8..36afc0acc 100644
--- a/utils.h
+++ b/utils.h
@@ -137,6 +137,15 @@ static inline int ends_with(const char *str, const char *suffix)
 	return strstr(str, suffix) + strlen(suffix) == str + strlen(str);
 }
 
+static inline void strip_trailing_spaces(char *str)
+{
+	char *end = str + strlen(str);
+	while (end > str && is_space(*(end-1))) {
+		end--;
+	}
+	*end = 0;
+}
+
 static inline uint32_t hash_str(const char *s)
 {
 	const unsigned char *p = (const unsigned char *)s;