#if HAVE_SPLIT_BIN
# define PATH_SBIN_BIN(x) x "sbin:" x "bin"
+# define PATH0_SBIN_BIN(x) x "sbin\0" x "bin"
#else
+# define PATH0_SBIN_BIN(x) x "bin"
# define PATH_SBIN_BIN(x) x "bin"
#endif
#define DEFAULT_PATH_NORMAL PATH_SBIN_BIN("/usr/local/") ":" PATH_SBIN_BIN("/usr/")
+#define DEFAULT_PATH0_NORMAL PATH0_SBIN_BIN("/usr/local/") "\0" PATH0_SBIN_BIN("/usr/")
#define DEFAULT_PATH_SPLIT_USR DEFAULT_PATH_NORMAL ":" PATH_SBIN_BIN("/")
+#define DEFAULT_PATH0_SPLIT_USR DEFAULT_PATH0_NORMAL "\0" PATH0_SBIN_BIN("/")
#if HAVE_SPLIT_USR
# define DEFAULT_PATH DEFAULT_PATH_SPLIT_USR
+# define DEFAULT_PATH_NULSTR DEFAULT_PATH0_SPLIT_USR
#else
# define DEFAULT_PATH DEFAULT_PATH_NORMAL
+# define DEFAULT_PATH_NULSTR DEFAULT_PATH0_NORMAL
#endif
bool is_path(const char *p) _pure_;