diff options
| -rw-r--r-- | internal.h | 8 | ||||
| -rw-r--r-- | symbol.c | 9 |
2 files changed, 15 insertions, 2 deletions
diff --git a/internal.h b/internal.h index 8b9701c597..2e88324f0c 100644 --- a/internal.h +++ b/internal.h @@ -40,6 +40,14 @@ extern "C" { #define UNINITIALIZED_VAR(x) x #endif +#if __has_attribute(warn_unused_result) +#define WARN_UNUSED_RESULT(x) x __attribute__((warn_unused_result)) +#elif defined(__GNUC__) && (__GNUC__ * 1000 + __GNUC_MINOR__) >= 3004 +#define WARN_UNUSED_RESULT(x) x __attribute__((warn_unused_result)) +#else +#define WARN_UNUSED_RESULT(x) x +#endif + #ifdef HAVE_VALGRIND_MEMCHECK_H # include <valgrind/memcheck.h> # ifndef VALGRIND_MAKE_MEM_DEFINED @@ -103,8 +103,13 @@ Init_sym(void) Init_id(); } -static ID attrsetname_to_attr(VALUE name); -static VALUE lookup_id_str(ID id); +WARN_UNUSED_RESULT(static VALUE dsymbol_alloc(const VALUE klass, const VALUE str, rb_encoding *const enc)); +WARN_UNUSED_RESULT(static VALUE dsymbol_check(const VALUE sym)); +WARN_UNUSED_RESULT(static ID dsymbol_pindown(VALUE sym)); +WARN_UNUSED_RESULT(static ID lookup_str_id(VALUE str)); +WARN_UNUSED_RESULT(static VALUE lookup_str_sym(const VALUE str)); +WARN_UNUSED_RESULT(static VALUE lookup_id_str(ID id)); +WARN_UNUSED_RESULT(static ID attrsetname_to_attr(VALUE name)); ID rb_id_attrset(ID id) |