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Handle up to 63 partitions per drive

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Revamp device parsing code.  Introducing support for more partitions
into the shilka-generated parser has the unfortunate side-effect of
raising the size of the DLL by almost 2 Megs.  Therefore we split out
the handling for /dev/sdXY devices into a tiny bit of hand-written
code.

While at it, remove some unused cruft from devices.* and generally
clean up the device class to provide access methods instead of direct
access to members.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2016-06-23 16:56:41 +02:00
parent bceb8ebebb
commit b2867a68b9
21 changed files with 5268 additions and 40170 deletions
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17
winsup/cygwin/dtable.cc
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@ -282,7 +282,7 @@ dtable::init_std_file_from_handle (int fd, HANDLE handle)
CONSOLE_SCREEN_BUFFER_INFO buf;
DCB dcb;
unsigned bin = O_BINARY;
device dev = {};
device dev;
first_fd_for_open = 0;
@ -451,7 +451,7 @@ build_fh_dev (const device& dev, const char *unix_name)
if (unix_name)
pc.set_posix (unix_name);
else
pc.set_posix (dev.name);
pc.set_posix (dev.name ());
return build_fh_pc (pc);
}
@ -476,13 +476,8 @@ fh_alloc (path_conv& pc)
case DEV_FLOPPY_MAJOR:
case DEV_CDROM_MAJOR:
case DEV_SD_MAJOR:
case DEV_SD1_MAJOR:
case DEV_SD2_MAJOR:
case DEV_SD3_MAJOR:
case DEV_SD4_MAJOR:
case DEV_SD5_MAJOR:
case DEV_SD6_MAJOR:
case DEV_SD7_MAJOR:
case DEV_SD1_MAJOR ... DEV_SD7_MAJOR:
case DEV_SD_HIGHPART_START ... DEV_SD_HIGHPART_END:
fh = cnew (fhandler_dev_floppy);
break;
case DEV_TAPE_MAJOR:
@ -646,14 +641,14 @@ build_fh_pc (path_conv& pc)
debug_printf ("found an archetype for %s(%d/%d) io_handle %p", fh->get_name (), fh->dev ().get_major (), fh->dev ().get_minor (),
fh->archetype->get_io_handle ());
if (!fh->get_name ())
fh->set_name (fh->archetype->dev ().name);
fh->set_name (fh->archetype->dev ().name ());
}
else if (cygwin_finished_initializing && !pc.isopen ())
fh->set_name (pc);
else
{
if (!fh->get_name ())
fh->set_name (fh->dev ().native);
fh->set_name (fh->dev ().native ());
fh->archetype = fh->clone ();
debug_printf ("created an archetype (%p) for %s(%d/%d)", fh->archetype, fh->get_name (), fh->dev ().get_major (), fh->dev ().get_minor ());
fh->archetype->archetype = NULL;