diff -r 9a4857d6444e -r d814ee31c04f libidav/utils.h
--- a/libidav/utils.h	Fri Mar 22 13:07:31 2019 +0100
+++ b/libidav/utils.h	Sat Mar 23 10:04:18 2019 +0100
@@ -77,9 +77,9 @@
 char* util_path_to_url(DavSession *sn, char *path);
 char* util_parent_path(char *path);
 
-int util_getboolean(char *v);
-int util_strtouint(char *str, uint64_t *value);
-int util_strtoint(char *str, int64_t *value);
+int util_getboolean(const char *v);
+int util_strtouint(const char *str, uint64_t *value);
+int util_strtoint(const char *str, int64_t *value);
 int util_szstrtouint(const char *str, uint64_t *value);
 
 int util_uint_mul(uint64_t a, uint64_t b, uint64_t *result);