Alexandre Julliard : winebuild: Only allow the stdcall calling convention for system calls.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 921367fc57ccfe9a6a5d3db38f2fc39e46d74e98
URL:    https://gitlab.winehq.org/wine/wine/-/commit/921367fc57ccfe9a6a5d3db38f2fc39...

Author: Alexandre Julliard <julliard(a)winehq.org>
Date:   Mon Feb 27 11:02:14 2023 +0100

winebuild: Only allow the stdcall calling convention for system calls.

---

 tools/winebuild/import.c | 2 +-
 tools/winebuild/parser.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/winebuild/import.c b/tools/winebuild/import.c
index 0c1cd291d21..fcf93addb50 100644
--- a/tools/winebuild/import.c
+++ b/tools/winebuild/import.c
@@ -1437,7 +1437,7 @@ void output_syscalls( DLLSPEC *spec )
                 output( "\tmovl $%s,%%edx\n", asm_name("__wine_syscall") );
             }
             output( "\tcall *%%edx\n" );
-            output( "\tret $%u\n", odp->type == TYPE_STDCALL ? get_args_size( odp ) : 0 );
+            output( "\tret $%u\n", get_args_size( odp ));
             break;
         case CPU_x86_64:
             /* Chromium depends on syscall thunks having the same form as on
diff --git a/tools/winebuild/parser.c b/tools/winebuild/parser.c
index 141ed80eb26..5eed7e22ab0 100644
--- a/tools/winebuild/parser.c
+++ b/tools/winebuild/parser.c
@@ -315,9 +315,9 @@ static int parse_spec_arguments( ORDDEF *odp, DLLSPEC *spec, int optional )
     }
     if (odp->flags & FLAG_SYSCALL)
     {
-        if (odp->type != TYPE_STDCALL && odp->type != TYPE_CDECL)
+        if (odp->type != TYPE_STDCALL)
         {
-            error( "A syscall function must use either the stdcall or the cdecl convention\n" );
+            error( "A syscall function must use the stdcall convention\n" );
             return 0;
         }
     }