Merge pull request #2991 from shyouhei/ruby.h

Split ruby.h

1 files changed, 16 insertions, 2 deletions

diff --git a/file.c b/file.c
index e14a658fa9..542a4fc7ee 100644
--- a/file.c
+++ b/file.c
@@ -11,7 +11,7 @@
 
 **********************************************************************/
 
-#include "ruby/config.h"
+#include "ruby/3/config.h"
 
 #ifdef _WIN32
 # include "missing/file.h"
@@ -682,7 +682,21 @@ rb_stat_mode(VALUE self)
 static VALUE
 rb_stat_nlink(VALUE self)
 {
-    return UINT2NUM(get_stat(self)->st_nlink);
+    /* struct stat::st_nlink is nlink_t in POSIX.  Not the case for Windows. */
+    const struct stat *ptr = get_stat(self);
+
+    if (sizeof(ptr->st_nlink) <= sizeof(int)) {
+        return UINT2NUM((unsigned)ptr->st_nlink);
+    }
+    else if (sizeof(ptr->st_nlink) == sizeof(long)) {
+        return ULONG2NUM((unsigned long)ptr->st_nlink);
+    }
+    else if (sizeof(ptr->st_nlink) == sizeof(LONG_LONG)) {
+        return ULL2NUM((unsigned LONG_LONG)ptr->st_nlink);
+    }
+    else {
+        rb_bug(":FIXME: don't know what to do");
+    }
 }
 
 /*