X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fbasic%2Fstring-util.h;h=d029d538bd5ea46ab5cbb26cbc8ef9508623db82;hp=4a44c581ba8f712302d05b9adccb673b074c4364;hb=f7afdbbb986bed7022976612a740027697ce93ec;hpb=076d998b73bf53e6652ea3ae4bed169e57423741

diff --git a/src/basic/string-util.h b/src/basic/string-util.h
index 4a44c581b..d029d538b 100644
--- a/src/basic/string-util.h
+++ b/src/basic/string-util.h
@@ -19,7 +19,9 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <alloca.h>
 #include <stdbool.h>
+#include <stddef.h>
 #include <string.h>
 
 #include "macro.h"
@@ -35,6 +37,7 @@
 #define UPPERCASE_LETTERS "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
 #define LETTERS           LOWERCASE_LETTERS UPPERCASE_LETTERS
 #define ALPHANUMERICAL    LETTERS DIGITS
+#define HEXDIGITS         DIGITS "abcdefABCDEF"
 
 #define streq(a,b) (strcmp((a),(b)) == 0)
 #define strneq(a, b, n) (strncmp((a), (b), (n)) == 0)
@@ -63,6 +66,14 @@ static inline bool isempty(const char *p) {
         return !p || !p[0];
 }
 
+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;
 
@@ -130,6 +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);