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fixed g_io_channel_seek_position() so that G_SEEK_CUR works for UTF-8

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* glib/giochannel.c: fixed g_io_channel_seek_position() so that
        G_SEEK_CUR works for UTF-8 channel encoding, and unallocated
        converters are not flushed after the seek; fixed
        g_io_channel_get_buffer_condition() so that G_IO_IN is only
        set if the read buffer contains at least one full character
This commit is contained in:
Ron Steinke 2001-07-23 16:49:59 +00:00
parent 5d0d8c89c1
commit d403f5f219
9 changed files with 98 additions and 9 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2001-07-23 Ron Steinke <rsteinke@w-link.net>
* glib/giochannel.c: fixed g_io_channel_seek_position() so that
G_SEEK_CUR works for UTF-8 channel encoding, and unallocated
converters are not flushed after the seek; fixed
g_io_channel_get_buffer_condition() so that G_IO_IN is only
set if the read buffer contains at least one full character
2001-07-23 Sven Neumann <sven@gimp.org>
* Makefile.am: removed glib.def from EXTRA_DIST ...

8
ChangeLog.pre-2-0
View File

@ -1,3 +1,11 @@
2001-07-23 Ron Steinke <rsteinke@w-link.net>
* glib/giochannel.c: fixed g_io_channel_seek_position() so that
G_SEEK_CUR works for UTF-8 channel encoding, and unallocated
converters are not flushed after the seek; fixed
g_io_channel_get_buffer_condition() so that G_IO_IN is only
set if the read buffer contains at least one full character
2001-07-23 Sven Neumann <sven@gimp.org>
* Makefile.am: removed glib.def from EXTRA_DIST ...

8
ChangeLog.pre-2-10
View File

@ -1,3 +1,11 @@
2001-07-23 Ron Steinke <rsteinke@w-link.net>
* glib/giochannel.c: fixed g_io_channel_seek_position() so that
G_SEEK_CUR works for UTF-8 channel encoding, and unallocated
converters are not flushed after the seek; fixed
g_io_channel_get_buffer_condition() so that G_IO_IN is only
set if the read buffer contains at least one full character
2001-07-23 Sven Neumann <sven@gimp.org>
* Makefile.am: removed glib.def from EXTRA_DIST ...

8
ChangeLog.pre-2-12
View File

@ -1,3 +1,11 @@
2001-07-23 Ron Steinke <rsteinke@w-link.net>
* glib/giochannel.c: fixed g_io_channel_seek_position() so that
G_SEEK_CUR works for UTF-8 channel encoding, and unallocated
converters are not flushed after the seek; fixed
g_io_channel_get_buffer_condition() so that G_IO_IN is only
set if the read buffer contains at least one full character
2001-07-23 Sven Neumann <sven@gimp.org>
* Makefile.am: removed glib.def from EXTRA_DIST ...

8
ChangeLog.pre-2-2
View File

@ -1,3 +1,11 @@
2001-07-23 Ron Steinke <rsteinke@w-link.net>
* glib/giochannel.c: fixed g_io_channel_seek_position() so that
G_SEEK_CUR works for UTF-8 channel encoding, and unallocated
converters are not flushed after the seek; fixed
g_io_channel_get_buffer_condition() so that G_IO_IN is only
set if the read buffer contains at least one full character
2001-07-23 Sven Neumann <sven@gimp.org>
* Makefile.am: removed glib.def from EXTRA_DIST ...

8
ChangeLog.pre-2-4
View File

@ -1,3 +1,11 @@
2001-07-23 Ron Steinke <rsteinke@w-link.net>
* glib/giochannel.c: fixed g_io_channel_seek_position() so that
G_SEEK_CUR works for UTF-8 channel encoding, and unallocated
converters are not flushed after the seek; fixed
g_io_channel_get_buffer_condition() so that G_IO_IN is only
set if the read buffer contains at least one full character
2001-07-23 Sven Neumann <sven@gimp.org>
* Makefile.am: removed glib.def from EXTRA_DIST ...

8
ChangeLog.pre-2-6
View File

@ -1,3 +1,11 @@
2001-07-23 Ron Steinke <rsteinke@w-link.net>
* glib/giochannel.c: fixed g_io_channel_seek_position() so that
G_SEEK_CUR works for UTF-8 channel encoding, and unallocated
converters are not flushed after the seek; fixed
g_io_channel_get_buffer_condition() so that G_IO_IN is only
set if the read buffer contains at least one full character
2001-07-23 Sven Neumann <sven@gimp.org>
* Makefile.am: removed glib.def from EXTRA_DIST ...

8
ChangeLog.pre-2-8
View File

@ -1,3 +1,11 @@
2001-07-23 Ron Steinke <rsteinke@w-link.net>
* glib/giochannel.c: fixed g_io_channel_seek_position() so that
G_SEEK_CUR works for UTF-8 channel encoding, and unallocated
converters are not flushed after the seek; fixed
g_io_channel_get_buffer_condition() so that G_IO_IN is only
set if the read buffer contains at least one full character
2001-07-23 Sven Neumann <sven@gimp.org>
* Makefile.am: removed glib.def from EXTRA_DIST ...

43
glib/giochannel.c
View File

@ -477,9 +477,16 @@ g_io_channel_get_buffer_condition (GIOChannel *channel)
{
GIOCondition condition = 0;
if ((channel->read_buf && (channel->read_buf->len > 0)) /* FIXME full chars how? */
|| (channel->encoded_read_buf && (channel->encoded_read_buf->len > 0)))
condition |= G_IO_IN;
if (channel->encoding)
{
if (channel->encoded_read_buf && (channel->encoded_read_buf->len > 0))
condition |= G_IO_IN; /* Only return if we have full characters */
}
else
{
if (channel->read_buf && (channel->read_buf->len > 0))
condition |= G_IO_IN;
}
if (channel->write_buf && (channel->write_buf->len < channel->buf_size))
condition |= G_IO_OUT;
@ -727,7 +734,8 @@ g_io_channel_seek_position (GIOChannel* channel,
case G_SEEK_CUR: /* The user is seeking relative to the head of the buffer */
if (channel->use_buffer)
{
if (channel->encoded_read_buf && channel->encoded_read_buf->len > 0)
if (channel->do_encode && channel->encoded_read_buf
&& channel->encoded_read_buf->len > 0)
{
g_warning ("Seek type G_SEEK_CUR not allowed for this"
" channel's encoding.\n");
@ -735,6 +743,17 @@ g_io_channel_seek_position (GIOChannel* channel,
}
if (channel->read_buf)
offset -= channel->read_buf->len;
if (channel->encoded_read_buf)
{
g_assert (channel->encoded_read_buf->len == 0 && !channel->do_encode);
/* If there's anything here, it's because the encoding is UTF-8,
* so we can just subtract the buffer length, the same as for
* the unencoded data.
*/
offset -= channel->encoded_read_buf->len;
}
}
break;
case G_SEEK_SET:
@ -758,13 +777,19 @@ g_io_channel_seek_position (GIOChannel* channel,
{
if (channel->read_buf)
g_string_truncate (channel->read_buf, 0);
if (channel->do_encode) /* Conversion state no longer matches position in file */
/* Conversion state no longer matches position in file */
if (channel->read_cd != (GIConv) -1)
g_iconv (channel->read_cd, NULL, NULL, NULL, NULL);
if (channel->write_cd != (GIConv) -1)
g_iconv (channel->write_cd, NULL, NULL, NULL, NULL);
if (channel->encoded_read_buf)
{
g_iconv (channel->read_cd, NULL, NULL, NULL, NULL);
g_iconv (channel->write_cd, NULL, NULL, NULL, NULL);
if (channel->encoded_read_buf)
g_string_truncate (channel->encoded_read_buf, 0);
g_assert (channel->encoded_read_buf->len == 0 || !channel->do_encode);
g_string_truncate (channel->encoded_read_buf, 0);
}
if (channel->partial_write_buf[0] != '\0')
{
g_warning ("Partial character at end of write buffer not flushed.\n");