#define has_dos_drive_prefix(path) 0
#endif
+#ifndef offset_1st_component
+#define offset_1st_component(path) (is_dir_sep((path)[0]))
+#endif
+
#ifndef is_dir_sep
#define is_dir_sep(c) ((c) == '/')
#endif
* trying to help gcc, anyway, it's OK; other compilers will fall back to
* using the function as usual.
*/
-#if defined(__GNUC__) && ! defined(__clang__)
-#define error(...) (error(__VA_ARGS__), -1)
+#if defined(__GNUC__)
+static inline int const_error(void)
+{
+ return -1;
+}
+#define error(...) (error(__VA_ARGS__), const_error())
#endif
extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params));