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applied JPEG loader fix from maemo. this fix makes sure stop_load()

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Wed Mar 28 15:27:35 2007  Tim Janik  <timj@imendio.com>

        * io-jpeg.c: applied JPEG loader fix from maemo. this fix makes sure
        stop_load() doesn't forget about its return value, and it pulls the
        check for infinite looping out of an else branch in load_increment()
        so it runs unconditionally, fixes #397643.



svn path=/trunk/; revision=17567
This commit is contained in:
Tim Janik 2007-03-28 13:29:17 +00:00 committed by Tim Janik
parent 1e2e601e5c
commit 8a78c744e1
2 changed files with 23 additions and 13 deletions
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7
gdk-pixbuf/ChangeLog
View File

@ -1,3 +1,10 @@
Wed Mar 28 15:27:35 2007 Tim Janik <timj@imendio.com>
* io-jpeg.c: applied JPEG loader fix from maemo. this fix makes sure
stop_load() doesn't forget about its return value, and it pulls the
check for infinite looping out of an else branch in load_increment()
so it runs unconditionally, fixes #397643.
2007-03-08 Matthias Clasen <mclasen@redhat.com>
* gdk-pixbuf-scaled-anim.[hc]: Implement an animation

29
gdk-pixbuf/io-jpeg.c
View File

@ -518,6 +518,7 @@ static gboolean
gdk_pixbuf__jpeg_image_stop_load (gpointer data, GError **error)
{
JpegProgContext *context = (JpegProgContext *) data;
gboolean retval;
g_return_val_if_fail (context != NULL, TRUE);
@ -530,12 +531,14 @@ gdk_pixbuf__jpeg_image_stop_load (gpointer data, GError **error)
/* if we have an error? */
if (sigsetjmp (context->jerr.setjmp_buffer, 1)) {
jpeg_destroy_decompress (&context->cinfo);
retval = FALSE;
} else {
jpeg_finish_decompress(&context->cinfo);
jpeg_destroy_decompress(&context->cinfo);
jpeg_finish_decompress (&context->cinfo);
retval = TRUE;
}
jpeg_destroy_decompress (&context->cinfo);
if (context->cinfo.src) {
my_src_ptr src = (my_src_ptr) context->cinfo.src;
@ -544,7 +547,7 @@ gdk_pixbuf__jpeg_image_stop_load (gpointer data, GError **error)
g_free (context);
return TRUE;
return retval;
}
@ -686,17 +689,17 @@ gdk_pixbuf__jpeg_image_load_increment (gpointer data,
src->pub.bytes_in_buffer += num_copy;
bufhd += num_copy;
num_left -= num_copy;
} else {
/* did anything change from last pass, if not return */
if (first) {
last_bytes_left = src->pub.bytes_in_buffer;
first = FALSE;
} else if (src->pub.bytes_in_buffer == last_bytes_left)
spinguard++;
else
last_bytes_left = src->pub.bytes_in_buffer;
}
/* did anything change from last pass, if not return */
if (first) {
last_bytes_left = src->pub.bytes_in_buffer;
first = FALSE;
} else if (src->pub.bytes_in_buffer == last_bytes_left)
spinguard++;
else
last_bytes_left = src->pub.bytes_in_buffer;
/* should not go through twice and not pull bytes out of buf */
if (spinguard > 2)
return TRUE;