4 files changed, 10 insertions, 5 deletions
diff --git a/libnetdata/string/README.md b/libnetdata/string/README.md
index b1c6e61c3..4fd442507 100644
--- a/libnetdata/string/README.md
+++ b/libnetdata/string/README.md
@@ -4,7 +4,7 @@ custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/strin
 sidebar_label: "String"
 learn_status: "Published"
 learn_topic_type: "Tasks"
-learn_rel_path: "Developers/libnetdata libraries"
+learn_rel_path: "Developers/libnetdata"
 -->
 
 # STRING
diff --git a/libnetdata/string/string.c b/libnetdata/string/string.c
index 4e232523c..9385aa6e8 100644
--- a/libnetdata/string/string.c
+++ b/libnetdata/string/string.c
@@ -300,16 +300,20 @@ void string_freez(STRING *string) {
     string_stats_atomic_increment(releases);
 }
 
-size_t string_strlen(STRING *string) {
+inline size_t string_strlen(STRING *string) {
     if(unlikely(!string)) return 0;
     return string->length - 1;
 }
 
-const char *string2str(STRING *string) {
+inline const char *string2str(STRING *string) {
     if(unlikely(!string)) return "";
     return string->str;
 }
 
+int string_strcmp(STRING *string, const char *s) {
+    return strcmp(string2str(string), s);
+}
+
 STRING *string_2way_merge(STRING *a, STRING *b) {
     static STRING *X = NULL;
 
diff --git a/libnetdata/string/string.h b/libnetdata/string/string.h
index cec44ebd9..70840ee9a 100644
--- a/libnetdata/string/string.h
+++ b/libnetdata/string/string.h
@@ -13,6 +13,7 @@ STRING *string_dup(STRING *string);
 void string_freez(STRING *string);
 size_t string_strlen(STRING *string);
 const char *string2str(STRING *string) NEVERNULL;
+int string_strcmp(STRING *string, const char *s);
 
 // keep common prefix/suffix and replace everything else with [x]
 STRING *string_2way_merge(STRING *a, STRING *b);
diff --git a/libnetdata/string/utf8.h b/libnetdata/string/utf8.h
index 133ec710b..3e6c8c288 100644
--- a/libnetdata/string/utf8.h
+++ b/libnetdata/string/utf8.h
@@ -3,7 +3,7 @@
 #ifndef NETDATA_STRING_UTF8_H
 #define NETDATA_STRING_UTF8_H 1
 
-#define IS_UTF8_BYTE(x) (x & 0x80)
-#define IS_UTF8_STARTBYTE(x) (IS_UTF8_BYTE(x)&&(x & 0x40))
+#define IS_UTF8_BYTE(x) ((x) & 0x80)
+#define IS_UTF8_STARTBYTE(x) (IS_UTF8_BYTE(x)&&((x) & 0x40))
 
 #endif /* NETDATA_STRING_UTF8_H */