#include "crypto.h"
#define B64_SIZE(len) ((len) * 4 / 3 + 5)
+#define HEX_SIZE(len) ((len) * 2 + 1)
extern size_t hex2bin(const char *src, void *dst, size_t length);
extern size_t bin2hex(const void *src, char *dst, size_t length);
extern bool check_id(const char *id);
extern bool check_netname(const char *netname, bool strict);
-char *replace_name(const char *name);
+char *replace_name(const char *name) ATTR_MALLOC;
-extern FILE *fopenmask(const char *filename, const char *mode, mode_t perms);
+char *absolute_path(const char *path) ATTR_MALLOC;
+
+extern FILE *fopenmask(const char *filename, const char *mode, mode_t perms) ATTR_DEALLOCATOR(fclose);
+
+// NULL-safe wrapper around strcmp().
+extern bool string_eq(const char *first, const char *second);
#endif