shithub: libdvdcss

Download patch

ref: 41dc1176c4590bb2047b614547fa230838f2c335
parent: 00abe6bb8626e950f64df2f28b899c4d793b278a
author: Diego Biurrun <diego@biurrun.de>
date: Sun Nov 16 17:40:27 EST 2014 

ioctl: Drop single-use INIT_SPTD/SEND_SPTD macros


--- a/src/ioctl.c
+++ b/src/ioctl.c
@@ -169,7 +169,13 @@
     *pi_copyright = dvdbs.copyrightProtectionSystemType;
 
 #elif defined( WIN32 )
-    INIT_SPTD( GPCMD_READ_DVD_STRUCTURE, 8 );
+    DWORD tmp;
+    SCSI_PASS_THROUGH_DIRECT sptd = { 0 };
+    uint8_t p_buffer[8];
+    sptd.Length = sizeof( SCSI_PASS_THROUGH_DIRECT );
+    sptd.DataBuffer = p_buffer;
+    sptd.DataTransferLength = sizeof( p_buffer );
+    WinInitSPTD( &sptd, GPCMD_READ_DVD_STRUCTURE );
 
     /*  When using IOCTL_DVD_READ_STRUCTURE and
         DVD_COPYRIGHT_DESCRIPTOR, CopyrightProtectionType
@@ -180,7 +186,10 @@
     sptd.Cdb[ 6 ] = i_layer;
     sptd.Cdb[ 7 ] = DVD_STRUCT_COPYRIGHT;
 
-    i_ret = SEND_SPTD( i_fd, &sptd, &tmp );
+    i_ret = DeviceIoControl( (HANDLE) i_fd, IOCTL_SCSI_PASS_THROUGH_DIRECT,
+                             &sptd, sizeof( SCSI_PASS_THROUGH_DIRECT ),
+                             &sptd, sizeof( SCSI_PASS_THROUGH_DIRECT ),
+                             &tmp, NULL ) ? 0 : -1;
 
     if( i_ret == 0 )
     {
--- a/src/ioctl.h
+++ b/src/ioctl.h
@@ -65,20 +65,6 @@
     dvd.format = FORMAT; \
     dvd.buffer = &dvdbs; \
     dvd.bufferLength = sizeof(dvdbs);
-#elif defined( WIN32 )
-#define INIT_SPTD( TYPE, SIZE ) \
-    DWORD tmp; \
-    SCSI_PASS_THROUGH_DIRECT sptd = { 0 }; \
-    uint8_t p_buffer[ (SIZE) ]; \
-    sptd.Length = sizeof( SCSI_PASS_THROUGH_DIRECT ); \
-    sptd.DataBuffer = p_buffer; \
-    sptd.DataTransferLength = (SIZE); \
-    WinInitSPTD( &sptd, (TYPE) );
-#define SEND_SPTD( DEV, SPTD, TMP ) \
-    (DeviceIoControl( (HANDLE)(DEV), IOCTL_SCSI_PASS_THROUGH_DIRECT, \
-                      (SPTD), sizeof( SCSI_PASS_THROUGH_DIRECT ), \
-                      (SPTD), sizeof( SCSI_PASS_THROUGH_DIRECT ), \
-                      (TMP), NULL ) ? 0 : -1)
 #elif defined( __QNXNTO__ )
 #define INIT_CPT( TYPE, SIZE ) \
     CAM_PASS_THRU * p_cpt = { 0 }; \
--- a/test/dvd_region.c
+++ b/test/dvd_region.c
@@ -93,7 +93,13 @@
     i_ret = ioctl( i_fd, DKIOCDVDSENDKEY, &dvd );
 
 #elif defined( WIN32 )
-    INIT_SPTD( GPCMD_SEND_KEY, 8 );
+    DWORD tmp;
+    SCSI_PASS_THROUGH_DIRECT sptd = { 0 };
+    uint8_t p_buffer[8];
+    sptd.Length = sizeof( SCSI_PASS_THROUGH_DIRECT );
+    sptd.DataBuffer = p_buffer;
+    sptd.DataTransferLength = sizeof( p_buffer );
+    WinInitSPTD( &sptd, GPCMD_SEND_KEY );
 
     sptd.Cdb[ 10 ] = DVD_SEND_RPC;
 
@@ -100,7 +106,10 @@
     p_buffer[ 1 ] = 6;
     p_buffer[ 4 ] = i_pdrc;
 
-    i_ret = SEND_SPTD( i_fd, &sptd, &tmp );
+    i_ret = DeviceIoControl( (HANDLE) i_fd, IOCTL_SCSI_PASS_THROUGH_DIRECT,
+                             &sptd, sizeof( SCSI_PASS_THROUGH_DIRECT ),
+                             &sptd, sizeof( SCSI_PASS_THROUGH_DIRECT ),
+                             &tmp, NULL ) ? 0 : -1;
 
 #elif defined( __QNXNTO__ )