Untabify posixfcn.c.

This commit is contained in:
Eli Zaretskii 2013-10-07 19:16:11 +03:00
parent b69b04dc8c
commit 723e047428

View file

@ -40,106 +40,106 @@ fcntl (intptr_t fd, int cmd, ...)
switch (cmd)
{
case F_GETFD:
va_end (ap);
/* Could have used GetHandleInformation, but that isn't
supported on Windows 9X. */
if (_get_osfhandle (fd) == -1)
return -1;
return 0;
va_end (ap);
/* Could have used GetHandleInformation, but that isn't
supported on Windows 9X. */
if (_get_osfhandle (fd) == -1)
return -1;
return 0;
case F_SETLKW:
{
void *buf = va_arg (ap, void *);
struct flock *fl = (struct flock *)buf;
HANDLE hmutex = (HANDLE)fd;
static struct flock last_fl;
short last_type = last_fl.l_type;
{
void *buf = va_arg (ap, void *);
struct flock *fl = (struct flock *)buf;
HANDLE hmutex = (HANDLE)fd;
static struct flock last_fl;
short last_type = last_fl.l_type;
va_end (ap);
va_end (ap);
if (hmutex == INVALID_HANDLE_VALUE || !hmutex)
return -1;
if (hmutex == INVALID_HANDLE_VALUE || !hmutex)
return -1;
last_fl = *fl;
last_fl = *fl;
switch (fl->l_type)
{
switch (fl->l_type)
{
case F_WRLCK:
{
DWORD result;
case F_WRLCK:
{
DWORD result;
if (last_type == F_WRLCK)
{
/* Don't call WaitForSingleObject if we already
own the mutex, because doing so will require
us to call ReleaseMutex an equal number of
times, before the mutex is actually
released. */
return 0;
}
if (last_type == F_WRLCK)
{
/* Don't call WaitForSingleObject if we already
own the mutex, because doing so will require
us to call ReleaseMutex an equal number of
times, before the mutex is actually
released. */
return 0;
}
result = WaitForSingleObject (hmutex, INFINITE);
switch (result)
{
case WAIT_OBJECT_0:
/* We don't care if the mutex owner crashed or
exited. */
case WAIT_ABANDONED:
return 0;
case WAIT_FAILED:
case WAIT_TIMEOUT: /* cannot happen, really */
{
DWORD err = GetLastError ();
result = WaitForSingleObject (hmutex, INFINITE);
switch (result)
{
case WAIT_OBJECT_0:
/* We don't care if the mutex owner crashed or
exited. */
case WAIT_ABANDONED:
return 0;
case WAIT_FAILED:
case WAIT_TIMEOUT: /* cannot happen, really */
{
DWORD err = GetLastError ();
/* Invalidate the last command. */
memset (&last_fl, 0, sizeof (last_fl));
/* Invalidate the last command. */
memset (&last_fl, 0, sizeof (last_fl));
switch (err)
{
case ERROR_INVALID_HANDLE:
case ERROR_INVALID_FUNCTION:
errno = EINVAL;
return -1;
default:
errno = EDEADLOCK;
return -1;
}
}
}
}
case F_UNLCK:
{
/* FIXME: Perhaps we should call ReleaseMutex
repatedly until it errors out, to make sure the
mutext is released even if we somehow managed to
to take ownership multiple times? */
BOOL status = ReleaseMutex (hmutex);
switch (err)
{
case ERROR_INVALID_HANDLE:
case ERROR_INVALID_FUNCTION:
errno = EINVAL;
return -1;
default:
errno = EDEADLOCK;
return -1;
}
}
}
}
case F_UNLCK:
{
/* FIXME: Perhaps we should call ReleaseMutex
repatedly until it errors out, to make sure the
mutext is released even if we somehow managed to
to take ownership multiple times? */
BOOL status = ReleaseMutex (hmutex);
if (status)
return 0;
else
{
DWORD err = GetLastError ();
if (status)
return 0;
else
{
DWORD err = GetLastError ();
if (err == ERROR_NOT_OWNER)
errno = EPERM;
else
{
memset (&last_fl, 0, sizeof (last_fl));
errno = EINVAL;
}
return -1;
}
}
default:
errno = ENOSYS;
return -1;
}
}
if (err == ERROR_NOT_OWNER)
errno = EPERM;
else
{
memset (&last_fl, 0, sizeof (last_fl));
errno = EINVAL;
}
return -1;
}
}
default:
errno = ENOSYS;
return -1;
}
}
default:
errno = ENOSYS;
va_end (ap);
return -1;
errno = ENOSYS;
va_end (ap);
return -1;
}
}
@ -210,49 +210,49 @@ same_stream (FILE *f1, FILE *f2)
&& fh2 && fh2 != INVALID_HANDLE_VALUE)
{
if (fh1 == fh2)
return 1;
return 1;
else
{
DWORD ftyp1 = GetFileType (fh1), ftyp2 = GetFileType (fh2);
{
DWORD ftyp1 = GetFileType (fh1), ftyp2 = GetFileType (fh2);
if (ftyp1 != ftyp2
|| ftyp1 == FILE_TYPE_UNKNOWN || ftyp2 == FILE_TYPE_UNKNOWN)
return 0;
else if (ftyp1 == FILE_TYPE_CHAR)
{
/* For character devices, check if they both refer to a
console. This loses if both handles refer to the
null device (FIXME!), but in that case we don't care
in the context of Make. */
DWORD conmode1, conmode2;
if (ftyp1 != ftyp2
|| ftyp1 == FILE_TYPE_UNKNOWN || ftyp2 == FILE_TYPE_UNKNOWN)
return 0;
else if (ftyp1 == FILE_TYPE_CHAR)
{
/* For character devices, check if they both refer to a
console. This loses if both handles refer to the
null device (FIXME!), but in that case we don't care
in the context of Make. */
DWORD conmode1, conmode2;
/* Each process on Windows can have at most 1 console,
so if both handles are for the console device, they
are the same. We also compare the console mode to
distinguish between stdin and stdout/stderr. */
if (GetConsoleMode (fh1, &conmode1)
&& GetConsoleMode (fh2, &conmode2)
&& conmode1 == conmode2)
return 1;
}
else
{
/* For disk files and pipes, compare their unique
attributes. */
BY_HANDLE_FILE_INFORMATION bhfi1, bhfi2;
/* Each process on Windows can have at most 1 console,
so if both handles are for the console device, they
are the same. We also compare the console mode to
distinguish between stdin and stdout/stderr. */
if (GetConsoleMode (fh1, &conmode1)
&& GetConsoleMode (fh2, &conmode2)
&& conmode1 == conmode2)
return 1;
}
else
{
/* For disk files and pipes, compare their unique
attributes. */
BY_HANDLE_FILE_INFORMATION bhfi1, bhfi2;
/* Pipes get zero in the volume serial number, but do
appear to have meaningful information in file index
attributes. We test file attributes as well, for a
good measure. */
if (GetFileInformationByHandle (fh1, &bhfi1)
&& GetFileInformationByHandle (fh2, &bhfi2))
return (bhfi1.dwVolumeSerialNumber == bhfi2.dwVolumeSerialNumber
&& bhfi1.nFileIndexLow == bhfi2.nFileIndexLow
&& bhfi1.nFileIndexHigh == bhfi2.nFileIndexHigh
&& bhfi1.dwFileAttributes == bhfi2.dwFileAttributes);
}
}
/* Pipes get zero in the volume serial number, but do
appear to have meaningful information in file index
attributes. We test file attributes as well, for a
good measure. */
if (GetFileInformationByHandle (fh1, &bhfi1)
&& GetFileInformationByHandle (fh2, &bhfi2))
return (bhfi1.dwVolumeSerialNumber == bhfi2.dwVolumeSerialNumber
&& bhfi1.nFileIndexLow == bhfi2.nFileIndexLow
&& bhfi1.nFileIndexHigh == bhfi2.nFileIndexHigh
&& bhfi1.dwFileAttributes == bhfi2.dwFileAttributes);
}
}
}
return 0;
}
@ -304,18 +304,18 @@ tmpfile (void)
HANDLE h;
sprintf (temp_path + path_size,
"%s%s%u-%x.tmp",
temp_path[path_size - 1] == '\\' ? "" : "\\",
base, pid, uniq);
"%s%s%u-%x.tmp",
temp_path[path_size - 1] == '\\' ? "" : "\\",
base, pid, uniq);
h = CreateFile (temp_path, /* file name */
GENERIC_READ | GENERIC_WRITE | DELETE, /* desired access */
FILE_SHARE_READ | FILE_SHARE_WRITE, /* share mode */
NULL, /* default security attributes */
CREATE_NEW, /* creation disposition */
FILE_ATTRIBUTE_NORMAL | /* flags and attributes */
FILE_ATTRIBUTE_TEMPORARY |
FILE_FLAG_DELETE_ON_CLOSE,
NULL); /* no template file */
GENERIC_READ | GENERIC_WRITE | DELETE, /* desired access */
FILE_SHARE_READ | FILE_SHARE_WRITE, /* share mode */
NULL, /* default security attributes */
CREATE_NEW, /* creation disposition */
FILE_ATTRIBUTE_NORMAL | /* flags and attributes */
FILE_ATTRIBUTE_TEMPORARY |
FILE_FLAG_DELETE_ON_CLOSE,
NULL); /* no template file */
if (h == INVALID_HANDLE_VALUE)
{
@ -332,8 +332,8 @@ tmpfile (void)
}
/* The temporary path is not guaranteed to exist, or might
not be writable by user. Use the current directory as
fallback. */
not be writable by user. Use the current directory as
fallback. */
else if (path_is_dot == 0)
{
path_size = GetCurrentDirectory (sizeof temp_path, temp_path);
@ -341,10 +341,10 @@ tmpfile (void)
}
else
{
errno = EACCES;
break;
}
{
errno = EACCES;
break;
}
}
else
{
@ -359,7 +359,7 @@ tmpfile (void)
return NULL;
}
#endif /* !NO_OUTPUT_SYNC */
#endif /* !NO_OUTPUT_SYNC */
#if MAKE_LOAD
@ -388,8 +388,8 @@ dlopen (const char *file, int mode)
/* MSDN says to be sure to use backslashes in the DLL file name. */
strcpy (dllfn, file);
for (p = dllfn; *p; p++)
if (*p == '/')
*p = '\\';
if (*p == '/')
*p = '\\';
dllhandle = LoadLibrary (dllfn);
}
@ -409,8 +409,8 @@ dlerror (void)
return NULL;
ret = FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM
| FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, last_err, 0, errbuf, sizeof (errbuf), NULL);
| FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, last_err, 0, errbuf, sizeof (errbuf), NULL);
while (ret > 0 && (errbuf[ret - 1] == '\n' || errbuf[ret - 1] == '\r'))
--ret;
@ -452,5 +452,5 @@ dlclose (void *handle)
}
#endif /* MAKE_LOAD */
#endif /* MAKE_LOAD */