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ntdll: Increase maximum number of autodetected COM/LPT ports to 256. 

Windows autodetects up to 256 serial ports and 256 parallel ports per
system.

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alex Henrie 2015-12-23 21:58:43 -07:00 committed by Alexandre Julliard
parent d94032403d
commit 65942760c4
1 changed files with 14 additions and 26 deletions
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40
dlls/ntdll/directory.c
View File

@ -331,28 +331,19 @@ static char *get_default_com_device( int num )
{
char *ret = NULL;
if (!num || num > 9) return ret;
if (num < 1 || num > 256) return NULL;
#ifdef linux
ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/ttyS0") );
if (ret)
{
strcpy( ret, "/dev/ttyS0" );
ret[strlen(ret) - 1] = '0' + num - 1;
}
ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/ttyS256") );
if (!ret) return NULL;
sprintf( ret, "/dev/ttyS%d", num - 1 );
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuau0") );
if (ret)
{
strcpy( ret, "/dev/cuau0" );
ret[strlen(ret) - 1] = '0' + num - 1;
}
ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuau256") );
if (!ret) return NULL;
sprintf( ret, "/dev/cuau%d", num - 1 );
#elif defined(__DragonFly__)
ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuaa0") );
if (ret)
{
strcpy( ret, "/dev/cuaa0" );
ret[strlen(ret) - 1] = '0' + num - 1;
}
ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/cuaa256") );
if (!ret) return NULL;
sprintf( ret, "/dev/cuaa%d", num - 1 );
#else
FIXME( "no known default for device com%d\n", num );
#endif
@ -369,14 +360,11 @@ static char *get_default_lpt_device( int num )
{
char *ret = NULL;
if (!num || num > 9) return ret;
if (num < 1 || num > 256) return NULL;
#ifdef linux
ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/lp0") );
if (ret)
{
strcpy( ret, "/dev/lp0" );
ret[strlen(ret) - 1] = '0' + num - 1;
}
ret = RtlAllocateHeap( GetProcessHeap(), 0, sizeof("/dev/lp256") );
if (!ret) return NULL;
sprintf( ret, "/dev/lp%d", num - 1 );
#else
FIXME( "no known default for device lpt%d\n", num );
#endif