#include <process.h>
#include <stdio.h>
+#include <io.h>
+
+#include <string.h>
+#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
typedef int socklen_t;
/**
- * File interface
- *
- */
-dbus_bool_t
-_dbus_file_open (DBusFile *file,
- const char *filename,
- int oflag,
- int pmode)
-{
- if (pmode!=-1)
- file->FDATA = _open (filename, oflag, pmode);
- else
- file->FDATA = _open (filename, oflag);
- if (file->FDATA >= 0)
- return TRUE;
- else
- {
- file->FDATA = -1;
- return FALSE;
- }
-}
-
-dbus_bool_t
-_dbus_file_close (DBusFile *file,
- DBusError *error)
-{
- const int fd = file->FDATA;
-
- _DBUS_ASSERT_ERROR_IS_CLEAR (error);
-
- _dbus_assert (fd >= 0);
-
- if (_close (fd) == -1)
- {
- dbus_set_error (error, _dbus_error_from_errno (errno),
- "Could not close fd %d: %s", fd,
- _dbus_strerror (errno));
- return FALSE;
- }
-
- file->FDATA = -1;
- _dbus_verbose ("closed C file descriptor %d:\n",fd);
-
- return TRUE;
-}
-
-int
-_dbus_file_read(DBusFile *file,
- DBusString *buffer,
- int count)
-{
- const int fd = file->FDATA;
- int bytes_read;
- int start;
- char *data;
- _dbus_assert (count >= 0);
-
- start = _dbus_string_get_length (buffer);
-
- if (!_dbus_string_lengthen (buffer, count))
- {
- errno = ENOMEM;
- return -1;
- }
-
- data = _dbus_string_get_data_len (buffer, start, count);
-
- _dbus_assert (fd >= 0);
-
- _dbus_verbose ("read: count=%d fd=%d\n", count, fd);
- bytes_read = read (fd, data, count);
-
- if (bytes_read == -1)
- _dbus_verbose ("read: failed: %s\n", _dbus_strerror (errno));
- else
- _dbus_verbose ("read: = %d\n", bytes_read);
-
- if (bytes_read < 0)
- {
- /* put length back (note that this doesn't actually realloc anything) */
- _dbus_string_set_length (buffer, start);
- return -1;
- }
- else
- {
- /* put length back (doesn't actually realloc) */
- _dbus_string_set_length (buffer, start + bytes_read);
-
-#if 0
-
- if (bytes_read > 0)
- _dbus_verbose_bytes_of_string (buffer, start, bytes_read);
-#endif
-
- return bytes_read;
- }
-}
-
-int
-_dbus_file_write (DBusFile *file,
- const DBusString *buffer,
- int start,
- int len)
-{
- const int fd = file->FDATA;
- const char *data;
- int bytes_written;
-
- data = _dbus_string_get_const_data_len (buffer, start, len);
-
- _dbus_assert (fd >= 0);
-
- _dbus_verbose ("write: len=%d fd=%d\n", len, fd);
- bytes_written = write (fd, data, len);
-
- if (bytes_written == -1)
- _dbus_verbose ("write: failed: %s\n", _dbus_strerror (errno));
- else
- _dbus_verbose ("write: = %d\n", bytes_written);
-
-#if 0
-
- if (bytes_written > 0)
- _dbus_verbose_bytes_of_string (buffer, start, bytes_written);
-#endif
-
- return bytes_written;
-}
-
-dbus_bool_t
-_dbus_is_valid_file (DBusFile* file)
-{
- return file->FDATA >= 0;
-}
-
-dbus_bool_t _dbus_fstat (DBusFile *file,
- struct stat *sb)
-{
- return fstat(file->FDATA, sb) >= 0;
-}
-
-/**
* write data to a pipe.
*
* @param pipe the pipe instance
DBusError *error)
{
int written;
- DBusFile file;
- file.FDATA = pipe->fd_or_handle;
- written = _dbus_file_write (&file, buffer, start, len);
+ const char *buffer_c = _dbus_string_get_const_data (buffer);
+
+ written = _write (pipe->fd_or_handle, buffer_c + start, len);
if (written < 0)
{
dbus_set_error (error, DBUS_ERROR_FAILED,
"Writing to pipe: %s\n",
- _dbus_strerror (errno));
+ strerror (errno));
}
return written;
}
_dbus_pipe_close (DBusPipe *pipe,
DBusError *error)
{
- DBusFile file;
- file.FDATA = pipe->fd_or_handle;
- if (_dbus_file_close (&file, error) < 0)
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+ if (_close (pipe->fd_or_handle) < 0)
{
return -1;
}
}
}
-#undef FDATA
-
/**
* Socket interface
*
const char *data2;
int rc;
DWORD bytes_written;
- int ret1;
_dbus_assert (buffer1 != NULL);
_dbus_assert (start1 >= 0);
{
DBUS_SOCKET_SET_ERRNO ();
if (errno != EWOULDBLOCK)
- _dbus_verbose ("WSAWaitForMultipleEvents: failed: %s\n", _dbus_strerror (errno));
+ _dbus_verbose ("WSAWaitForMultipleEvents: failed: %s\n", strerror (errno));
ret = -1;
}
else if (ready == WSA_WAIT_TIMEOUT)
void
_dbus_disable_sigpipe (void)
{
- _dbus_verbose("FIXME: implement _dbus_disable_sigpipe (void)\n");
}
+/* _dbus_read() is static on Windows, only used below in this file.
+ */
+static int
+_dbus_read (int fd,
+ DBusString *buffer,
+ int count)
+{
+ int bytes_read;
+ int start;
+ char *data;
+
+ _dbus_assert (count >= 0);
+
+ start = _dbus_string_get_length (buffer);
+
+ if (!_dbus_string_lengthen (buffer, count))
+ {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ data = _dbus_string_get_data_len (buffer, start, count);
+
+ again:
+
+ bytes_read = _read (fd, data, count);
+
+ if (bytes_read < 0)
+ {
+ if (errno == EINTR)
+ goto again;
+ else
+ {
+ /* put length back (note that this doesn't actually realloc anything) */
+ _dbus_string_set_length (buffer, start);
+ return -1;
+ }
+ }
+ else
+ {
+ /* put length back (doesn't actually realloc) */
+ _dbus_string_set_length (buffer, start + bytes_read);
+
+#if 0
+ if (bytes_read > 0)
+ _dbus_verbose_bytes_of_string (buffer, start, bytes_read);
+#endif
+
+ return bytes_read;
+ }
+}
+
/**
* Appends the contents of the given file to the string,
* returning error code. At the moment, won't open a file
const DBusString *filename,
DBusError *error)
{
- DBusFile file;
- struct stat sb;
+ int fd;
+ struct _stati64 sb;
int orig_len;
int total;
const char *filename_c;
filename_c = _dbus_string_get_const_data (filename);
- /* O_BINARY useful on Cygwin and Win32 */
- if (!_dbus_file_open (&file, filename_c, O_RDONLY | O_BINARY, -1))
+ fd = _open (filename_c, O_RDONLY | O_BINARY);
+ if (fd < 0)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to open \"%s\": %s",
filename_c,
- _dbus_strerror (errno));
+ strerror (errno));
return FALSE;
}
- if (!_dbus_fstat (&file, &sb))
+ _dbus_verbose ("file %s fd %d opened\n", filename_c, fd);
+
+ if (_fstati64 (fd, &sb) < 0)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to stat \"%s\": %s",
filename_c,
- _dbus_strerror (errno));
+ strerror (errno));
_dbus_verbose ("fstat() failed: %s",
- _dbus_strerror (errno));
+ strerror (errno));
- _dbus_file_close (&file, NULL);
+ _close (fd);
return FALSE;
}
dbus_set_error (error, DBUS_ERROR_FAILED,
"File size %lu of \"%s\" is too large.",
(unsigned long) sb.st_size, filename_c);
- _dbus_file_close (&file, NULL);
+ _close (fd);
return FALSE;
}
while (total < (int) sb.st_size)
{
- bytes_read = _dbus_file_read (&file, str,
- sb.st_size - total);
+ bytes_read = _dbus_read (fd, str, sb.st_size - total);
if (bytes_read <= 0)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Error reading \"%s\": %s",
filename_c,
- _dbus_strerror (errno));
+ strerror (errno));
_dbus_verbose ("read() failed: %s",
- _dbus_strerror (errno));
+ strerror (errno));
- _dbus_file_close (&file, NULL);
+ _close (fd);
_dbus_string_set_length (str, orig_len);
return FALSE;
}
total += bytes_read;
}
- _dbus_file_close (&file, NULL);
+ _close (fd);
return TRUE;
}
else if (sb.st_size != 0)
dbus_set_error (error, DBUS_ERROR_FAILED,
"\"%s\" is not a regular file",
filename_c);
- _dbus_file_close (&file, NULL);
+ _close (fd);
return FALSE;
}
else
{
- _dbus_file_close (&file, NULL);
+ _close (fd);
return TRUE;
}
}
const DBusString *filename,
DBusError *error)
{
- DBusFile file;
+ int fd;
int bytes_to_write;
const char *filename_c;
DBusString tmp_filename;
const char *tmp_filename_c;
int total;
+ const char *str_c;
dbus_bool_t need_unlink;
dbus_bool_t retval;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
+ fd = -1;
retval = FALSE;
need_unlink = FALSE;
filename_c = _dbus_string_get_const_data (filename);
tmp_filename_c = _dbus_string_get_const_data (&tmp_filename);
- if (!_dbus_file_open (&file, tmp_filename_c, O_WRONLY | O_BINARY | O_EXCL | O_CREAT,
- 0600))
+ fd = _open (tmp_filename_c, O_WRONLY | O_BINARY | O_EXCL | O_CREAT,
+ 0600);
+ if (fd < 0)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Could not create %s: %s", tmp_filename_c,
- _dbus_strerror (errno));
+ strerror (errno));
goto out;
}
+ _dbus_verbose ("tmp file %s fd %d opened\n", tmp_filename_c, fd);
+
need_unlink = TRUE;
total = 0;
bytes_to_write = _dbus_string_get_length (str);
+ str_c = _dbus_string_get_const_data (str);
while (total < bytes_to_write)
{
int bytes_written;
- bytes_written = _dbus_file_write (&file, str, total,
- bytes_to_write - total);
+ bytes_written = _write (fd, str_c + total, bytes_to_write - total);
if (bytes_written <= 0)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Could not write to %s: %s", tmp_filename_c,
- _dbus_strerror (errno));
-
+ strerror (errno));
goto out;
}
total += bytes_written;
}
- if (!_dbus_file_close (&file, NULL))
+ if (_close (fd) < 0)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Could not close file %s: %s",
- tmp_filename_c, _dbus_strerror (errno));
+ tmp_filename_c, strerror (errno));
goto out;
}
+ fd = -1;
if ((unlink (filename_c) == -1 && errno != ENOENT) ||
rename (tmp_filename_c, filename_c) < 0)
retval = TRUE;
-out:
- /* close first, then unlink, to prevent ".nfs34234235" garbage
- * files
- */
+ out:
+ /* close first, then unlink */
- if (_dbus_is_valid_file(&file))
- _dbus_file_close (&file, NULL);
+ if (fd >= 0)
+ _close (fd);
- if (need_unlink && unlink (tmp_filename_c) < 0)
- _dbus_verbose ("Failed to unlink temp file %s: %s\n",
- tmp_filename_c, _dbus_strerror (errno));
+ if (need_unlink && _unlink (tmp_filename_c) < 0)
+ _dbus_verbose ("failed to unlink temp file %s: %s\n",
+ tmp_filename_c, strerror (errno));
_dbus_string_free (&tmp_filename);
_dbus_create_file_exclusively (const DBusString *filename,
DBusError *error)
{
- DBusFile file;
+ int fd;
const char *filename_c;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
filename_c = _dbus_string_get_const_data (filename);
- if (!_dbus_file_open (&file, filename_c, O_WRONLY | O_BINARY | O_EXCL | O_CREAT,
- 0600))
+ fd = _open (filename_c, O_WRONLY | O_BINARY | O_EXCL | O_CREAT,
+ 0600);
+ if (fd < 0)
{
dbus_set_error (error,
DBUS_ERROR_FAILED,
"Could not create file %s: %s\n",
filename_c,
- _dbus_strerror (errno));
+ strerror (errno));
return FALSE;
}
- if (!_dbus_file_close (&file, NULL))
+ _dbus_verbose ("exclusive file %s fd %d opened\n", filename_c, fd);
+
+ if (_close (fd) < 0)
{
dbus_set_error (error,
DBUS_ERROR_FAILED,
"Could not close file %s: %s\n",
filename_c,
- _dbus_strerror (errno));
+ strerror (errno));
return FALSE;
}
dbus_set_error (error, DBUS_ERROR_FAILED,
"Failed to create directory %s: %s\n",
- filename_c, _dbus_strerror (errno));
+ filename_c, strerror (errno));
return FALSE;
}
else
filename_c = _dbus_string_get_const_data (filename);
- if (unlink (filename_c) < 0)
+ if (_unlink (filename_c) < 0)
{
dbus_set_error (error, DBUS_ERROR_FAILED,
"Failed to delete file %s: %s\n",
- filename_c, _dbus_strerror (errno));
+ filename_c, strerror (errno));
return FALSE;
}
else
projects / platform / upstream / dbus.git / commitdiff