machinectl: split OS field in two; print ip addresses (#4058)

[elogind.git] / src / basic / string-util.h

diff --git a/src/basic/string-util.h b/src/basic/string-util.h
index 1209e1e2e14c11853b526891d31b34584c36db68..d029d538bd5ea46ab5cbb26cbc8ef9508623db82 100644 (file)
--- a/src/basic/string-util.h
+++ b/src/basic/string-util.h
@@ -70,6 +70,10 @@ static inline const char *empty_to_null(const char *p) {
         return isempty(p) ? NULL : p;
 }
 
+static inline const char *strdash_if_empty(const char *str) {
+        return isempty(str) ? "-" : str;
+}
+
 static inline char *startswith(const char *s, const char *prefix) {
         size_t l;
 
@@ -137,6 +141,9 @@ char ascii_tolower(char x);
 char *ascii_strlower(char *s);
 char *ascii_strlower_n(char *s, size_t n);
 
+char ascii_toupper(char x);
+char *ascii_strupper(char *s);
+
 int ascii_strcasecmp_n(const char *a, const char *b, size_t n);
 int ascii_strcasecmp_nn(const char *a, size_t n, const char *b, size_t m);