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Diffstat (limited to 'include/ruby/internal/arithmetic/uid_t.h')
-rw-r--r--include/ruby/internal/arithmetic/uid_t.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/ruby/internal/arithmetic/uid_t.h b/include/ruby/internal/arithmetic/uid_t.h
index bdcf42f049..12cde2a9c8 100644
--- a/include/ruby/internal/arithmetic/uid_t.h
+++ b/include/ruby/internal/arithmetic/uid_t.h
@@ -17,18 +17,25 @@
* recursively included from extension libraries written in C++.
* Do not expect for instance `__VA_ARGS__` is always available.
* We assume C99 for ruby itself but we don't assume languages of
- * extension libraries. They could be written in C++98.
+ * extension libraries. They could be written in C++98.
* @brief Arithmetic conversion between C's `uid_t` and Ruby's.
*/
#include "ruby/internal/config.h"
#include "ruby/internal/arithmetic/long.h"
+/** Converts a C's `uid_t` into an instance of ::rb_cInteger. */
#ifndef UIDT2NUM
# define UIDT2NUM RB_LONG2NUM
#endif
+/** Converts an instance of ::rb_cNumeric into C's `uid_t`. */
#ifndef NUM2UIDT
# define NUM2UIDT RB_NUM2LONG
#endif
+/** A rb_sprintf() format prefix to be used for a `uid_t` parameter. */
+#ifndef PRI_UIDT_PREFIX
+# define PRI_UIDT_PREFIX PRI_LONG_PREFIX
+#endif
+
#endif /* RBIMPL_ARITHMETIC_UID_T_H */