* cygheap.cc (creturn): Reorganize to avoid a new compiler warning/error.
* dtable.cc (handle_to_fn): Ditto. * fhandler_console.cc (fhandler_console::read): Ditto. (fhandler_console::scroll_screen): Ditto. (dev_console::set_color): Ditto. * fhandler_dsp.cc (fhandler_dev_dsp::write): Ditto. (fhandler_dev_dsp::read): Ditto. * fhandler_tape.cc (mtinfo_drive::get_status): Ditto. * hookapi.cc (find_first_notloaded_dll): Ditto. * mmap.cc (msync): Ditto. * pipe.cc (pipesync::pipesync): Ditto. * sec_acl.cc (getace): Ditto. * sec_auth.cc (create_token): Ditto. (lsaauth): Ditto. * select.cc (peek_pipe): Ditto. * spawn.cc (av::fixup): Ditto. * syscalls.cc (popen): Ditto. * tty.cc (tty::init_session): Ditto. * uinfo.cc (pwdgrp::load): Ditto. * fhandler.cc (fhandler_base::setup_overlapped): Ditto. (fhandler_base::wait_overlapped): Rename second use of res variable to wres or errors are not returned correctly. * dcrt0.cc: Remove obsolete variable. * dll_init.cc (release_upto): Fix typo involving incorrect use of '|'. * fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Avoid a compiler warning regarding coercing type-punned variables. (fhandler_base::fstat_by_name): Ditto. fhandler_fifo.cc (fhandler_fifo::open_nonserver): Fix = vs. == typo. (fhandler_fifo::wait): Add all conditions to switch statement to avoid a compiler warning. * fhandler_process.cc: Avoid unneeded initialization of variables to zero. (fhandler_socket::listen): Add braces around initializer. * flock.cc (inode_t::get_all_locks_list): Reorganize to avoid a compiler warning. Fix problem with EWOULDBLOCK error return. * path.cc (GUID_shortcut): Use braces around struct initializer. (cygwin_conv_path): Reorganize to avoid a compiler warning. * random.cc (dummy): Mark variable as volatile to avoid a "used uninitialized" warning. * libc/getopt.c: Mark some variables as dllexport although gcc doesn't seem to do the right thing with them. * libc/minires-os-if.c (get_registry_dns_items): Coerce some function arguments to avoid a compiler warning.
This commit is contained in:
Christopher Faylor
@@ -853,124 +853,117 @@ handle_to_fn (HANDLE h, char *posix_fn)
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NtQueryObject (h, ObjectNameInformation, &dummy_oni, sizeof (dummy_oni), &len);
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if (!len)
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debug_printf ("NtQueryObject failed 1");
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else
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{
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debug_printf ("NtQueryObject failed 1");
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goto unknown;
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}
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OBJECT_NAME_INFORMATION *ntfn = (OBJECT_NAME_INFORMATION *) alloca (len + sizeof (WCHAR));
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NTSTATUS res = NtQueryObject (h, ObjectNameInformation, ntfn, len, NULL);
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OBJECT_NAME_INFORMATION *ntfn = (OBJECT_NAME_INFORMATION *) alloca (len + sizeof (WCHAR));
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NTSTATUS res = NtQueryObject (h, ObjectNameInformation, ntfn, len, NULL);
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if (!NT_SUCCESS (res))
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{
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debug_printf ("NtQueryObject failed 2");
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goto unknown;
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}
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// NT seems to do this on an unopened file
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if (!ntfn->Name.Buffer)
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{
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debug_printf ("nt->Name.Buffer == NULL");
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goto unknown;
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}
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WCHAR *w32 = ntfn->Name.Buffer;
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size_t w32len = ntfn->Name.Length / sizeof (WCHAR);
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w32[w32len] = L'\0';
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if (wcscasecmp (w32, DEV_NULL) == 0)
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{
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strcpy (posix_fn, "/dev/null");
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return false;
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}
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if (wcsncasecmp (w32, DEV_NAMED_PIPE, DEV_NAMED_PIPE_LEN) == 0)
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{
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w32 += DEV_NAMED_PIPE_LEN;
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if (wcsncmp (w32, L"cygwin-", WCLEN (L"cygwin-")) != 0)
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return false;
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w32 += WCLEN (L"cygwin-");
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bool istty = wcsncmp (w32, L"tty", WCLEN (L"tty")) == 0;
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if (istty)
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decode_tty (posix_fn, w32 + WCLEN (L"tty"));
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else if (wcsncmp (w32, L"pipe", WCLEN (L"pipe")) == 0)
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strcpy (posix_fn, "/dev/pipe");
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return istty;
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}
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WCHAR fnbuf[64 * 1024];
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if (wcsncasecmp (w32, DEVICE_PREFIX, DEVICE_PREFIX_LEN) != 0
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|| !QueryDosDeviceW (NULL, fnbuf, sizeof (fnbuf)))
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{
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sys_wcstombs (posix_fn, NT_MAX_PATH, w32, w32len);
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return false;
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}
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for (WCHAR *s = fnbuf; *s; s = wcschr (s, '\0') + 1)
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{
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WCHAR device[NT_MAX_PATH];
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if (!QueryDosDeviceW (s, device, sizeof (device)))
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continue;
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if (wcschr (s, ':') == NULL)
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continue;
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WCHAR *q = wcsrchr (device, ';');
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if (q)
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{
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WCHAR *r = wcschr (q, '\\');
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if (r)
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wcscpy (q, r + 1);
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}
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int devlen = wcslen (device);
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if (device[devlen - 1] == L'\\')
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device[--devlen] = L'\0';
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if (devlen < maxmatchlen)
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continue;
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if (wcsncmp (device, w32, devlen) != 0||
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(w32[devlen] != L'\0' && w32[devlen] != L'\\'))
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continue;
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maxmatchlen = devlen;
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maxmatchdos = s;
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debug_printf ("current match '%W' = '%W'\n", s, device);
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}
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if (maxmatchlen)
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{
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WCHAR *p = wcschr (w32 + DEVICE_PREFIX_LEN, L'\\');
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size_t n = wcslen (maxmatchdos);
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WCHAR ch;
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if (!p)
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ch = L'\0';
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if (!NT_SUCCESS (res))
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debug_printf ("NtQueryObject failed 2");
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// NT seems to do this on an unopened file
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else if (!ntfn->Name.Buffer)
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debug_printf ("nt->Name.Buffer == NULL");
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else
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{
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if (maxmatchdos[n - 1] == L'\\')
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n--;
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w32 += maxmatchlen - n;
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ch = L'\\';
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WCHAR *w32 = ntfn->Name.Buffer;
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size_t w32len = ntfn->Name.Length / sizeof (WCHAR);
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w32[w32len] = L'\0';
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if (wcscasecmp (w32, DEV_NULL) == 0)
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{
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strcpy (posix_fn, "/dev/null");
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return false;
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}
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if (wcsncasecmp (w32, DEV_NAMED_PIPE, DEV_NAMED_PIPE_LEN) == 0)
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{
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w32 += DEV_NAMED_PIPE_LEN;
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if (wcsncmp (w32, L"cygwin-", WCLEN (L"cygwin-")) != 0)
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return false;
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w32 += WCLEN (L"cygwin-");
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bool istty = wcsncmp (w32, L"tty", WCLEN (L"tty")) == 0;
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if (istty)
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decode_tty (posix_fn, w32 + WCLEN (L"tty"));
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else if (wcsncmp (w32, L"pipe", WCLEN (L"pipe")) == 0)
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strcpy (posix_fn, "/dev/pipe");
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return istty;
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}
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WCHAR fnbuf[64 * 1024];
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if (wcsncasecmp (w32, DEVICE_PREFIX, DEVICE_PREFIX_LEN) != 0
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|| !QueryDosDeviceW (NULL, fnbuf, sizeof (fnbuf)))
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{
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sys_wcstombs (posix_fn, NT_MAX_PATH, w32, w32len);
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return false;
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}
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for (WCHAR *s = fnbuf; *s; s = wcschr (s, '\0') + 1)
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{
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WCHAR device[NT_MAX_PATH];
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if (!QueryDosDeviceW (s, device, sizeof (device)))
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continue;
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if (wcschr (s, ':') == NULL)
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continue;
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WCHAR *q = wcsrchr (device, ';');
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if (q)
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{
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WCHAR *r = wcschr (q, '\\');
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if (r)
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wcscpy (q, r + 1);
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}
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int devlen = wcslen (device);
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if (device[devlen - 1] == L'\\')
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device[--devlen] = L'\0';
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if (devlen < maxmatchlen)
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continue;
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if (wcsncmp (device, w32, devlen) != 0||
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(w32[devlen] != L'\0' && w32[devlen] != L'\\'))
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continue;
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maxmatchlen = devlen;
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maxmatchdos = s;
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debug_printf ("current match '%W' = '%W'\n", s, device);
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}
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if (maxmatchlen)
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{
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WCHAR *p = wcschr (w32 + DEVICE_PREFIX_LEN, L'\\');
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size_t n = wcslen (maxmatchdos);
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WCHAR ch;
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if (!p)
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ch = L'\0';
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else
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{
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if (maxmatchdos[n - 1] == L'\\')
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n--;
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w32 += maxmatchlen - n;
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ch = L'\\';
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}
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memcpy (w32, maxmatchdos, n * sizeof (WCHAR));
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w32[n] = ch;
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}
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else if (wcsncmp (w32, DEV_REMOTE, DEV_REMOTE_LEN) == 0)
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{
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w32 += DEV_REMOTE_LEN - 2;
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*w32 = L'\\';
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debug_printf ("remote drive");
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}
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else if (wcsncmp (w32, DEV_REMOTE1, DEV_REMOTE1_LEN) == 0)
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{
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w32 += DEV_REMOTE1_LEN - 2;
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*w32 = L'\\';
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debug_printf ("remote drive");
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}
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cygwin_conv_path (CCP_WIN_W_TO_POSIX | CCP_ABSOLUTE, w32, posix_fn,
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NT_MAX_PATH);
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debug_printf ("derived path '%W', posix '%s'", w32, posix_fn);
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return false;
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}
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memcpy (w32, maxmatchdos, n * sizeof (WCHAR));
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w32[n] = ch;
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}
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else if (wcsncmp (w32, DEV_REMOTE, DEV_REMOTE_LEN) == 0)
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{
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w32 += DEV_REMOTE_LEN - 2;
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*w32 = L'\\';
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debug_printf ("remote drive");
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}
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else if (wcsncmp (w32, DEV_REMOTE1, DEV_REMOTE1_LEN) == 0)
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{
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w32 += DEV_REMOTE1_LEN - 2;
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*w32 = L'\\';
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debug_printf ("remote drive");
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}
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cygwin_conv_path (CCP_WIN_W_TO_POSIX | CCP_ABSOLUTE, w32, posix_fn,
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NT_MAX_PATH);
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debug_printf ("derived path '%W', posix '%s'", w32, posix_fn);
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return false;
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unknown:
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strcpy (posix_fn, unknown_file);
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return false;
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}
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Reference in New Issue
Block a user