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qga/commands-win32: Fix problem with redundant protype declaration

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When compiling QEMU with MSYS2 on Windows, there is currently the
following error:

../qga/commands-win32.c:62:24: error: redundant redeclaration of
 'CM_Get_DevNode_PropertyW' [-Werror=redundant-decls]
   62 | CMAPI CONFIGRET WINAPI CM_Get_DevNode_PropertyW(
      |                        ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../qga/commands-win32.c:26:
C:/tools/msys64/mingw64/x86_64-w64-mingw32/include/cfgmgr32.h:840:26: note:
 previous declaration of 'CM_Get_DevNode_PropertyW' was here
  840 |   CMAPI CONFIGRET WINAPI CM_Get_DevNode_PropertyW(DEVINST dnDevInst,
   const DEVPROPKEY *PropertyKey, DEVPROPTYPE *PropertyType, PBYTE PropertyBuffer,
   PULONG PropertyBufferSize, ULONG ulFlags);

Seems like this protype is sometimes available in the cfgmgr32.h
header, and sometimes not. Let's silence the compiler warning here
to let the build pass with -Werror, too.

Message-Id: <20200915114757.55635-1-thuth@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Thomas Huth 2020-09-15 12:18:03 +02:00
parent 0e72b7df4d
commit 37d98abdc7
1 changed files with 4 additions and 1 deletions
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5
qga/commands-win32.c
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@ -57,8 +57,10 @@ DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverDate, 0xa8b865dd, 0x2e3d,
DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverVersion, 0xa8b865dd, 0x2e3d,
0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 3);
/* DEVPROP_TYPE_STRING */
/* The following shoud be in cfgmgr32.h, but it isn't */
/* The CM_Get_DevNode_PropertyW prototype is only sometimes in cfgmgr32.h */
#ifndef CM_Get_DevNode_Property
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wredundant-decls"
CMAPI CONFIGRET WINAPI CM_Get_DevNode_PropertyW(
DEVINST dnDevInst,
CONST DEVPROPKEY * PropertyKey,
@ -68,6 +70,7 @@ CMAPI CONFIGRET WINAPI CM_Get_DevNode_PropertyW(
ULONG ulFlags
);
#define CM_Get_DevNode_Property CM_Get_DevNode_PropertyW
#pragma GCC diagnostic pop
#endif
#ifndef SHTDN_REASON_FLAG_PLANNED