[PATCH v2 1/3] ntdll: Factor out get_random() function.

[Paul Gofman]

From: Paul Gofman <[e-mail]>

---
 dlls/ntdll/unix/system.c | 32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/dlls/ntdll/unix/system.c b/dlls/ntdll/unix/system.c
index 350bcea4f86..08774d79de7 100644
--- a/dlls/ntdll/unix/system.c
+++ b/dlls/ntdll/unix/system.c
@@ -3024,6 +3024,22 @@ static void read_dev_urandom( void *buf, ULONG len )
     else WARN( "can't open /dev/urandom\n" );
 }
 
+static void get_random( void *buf, ULONG len )
+{
+#ifdef HAVE_GETRANDOM
+    int ret;
+    do
+    {
+        ret = getrandom( buf, len, 0 );
+    }
+    while (ret == -1 && errno == EINTR);
+
+    if (ret == -1 && errno == ENOSYS) read_dev_urandom( buf, len );
+#else
+    read_dev_urandom( buf, len );
+#endif
+}
+
 static unsigned int get_system_process_info( SYSTEM_INFORMATION_CLASS class, void *info, ULONG size, ULONG *len )
 {
     unsigned int process_count, total_thread_count, total_name_len, i, j;
@@ -3488,21 +3504,7 @@ NTSTATUS WINAPI NtQuerySystemInformation( SYSTEM_INFORMATION_CLASS class,
         if (size >= len)
         {
             if (!info) ret = STATUS_ACCESS_VIOLATION;
-            else
-            {
-#ifdef HAVE_GETRANDOM
-                int ret;
-                do
-                {
-                    ret = getrandom( info, len, 0 );
-                }
-                while (ret == -1 && errno == EINTR);
-
-                if (ret == -1 && errno == ENOSYS) read_dev_urandom( info, len );
-#else
-                read_dev_urandom( info, len );
-#endif
-            }
+            else       get_random( info, len );
         }
         else ret = STATUS_INFO_LENGTH_MISMATCH;
         break;
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/9926