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return the number of bytes that have been read from the file. 

2007-07-05  Sven Neumann  <sven@gimp.org>

	* app/xcf/xcf-read.c (xcf_read_int32) (xcf_read_int8): return the
	number of bytes that have been read from the file.

	* app/xcf/xcf-load.c (xcf_load_prop): return FALSE when reading fails.

svn path=/trunk/; revision=22873
This commit is contained in:
Sven Neumann 2007-07-05 15:12:43 +00:00 committed by Sven Neumann
parent 792de8539e
commit 4512af8de1
3 changed files with 33 additions and 12 deletions
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7
ChangeLog
View File

@ -1,3 +1,10 @@
2007-07-05 Sven Neumann <sven@gimp.org>
* app/xcf/xcf-read.c (xcf_read_int32) (xcf_read_int8): return the
number of bytes that have been read from the file.
* app/xcf/xcf-load.c (xcf_load_prop): return FALSE when reading fails.
2007-07-05 Sven Neumann <sven@gimp.org>
* tools/pdbgen/pdb.pl (arg_parse): allow the use of constants when

26
app/xcf/xcf-load.c
View File

@ -297,7 +297,7 @@ xcf_load_image_props (XcfInfo *info,
while (TRUE)
{
if (!xcf_load_prop (info, &prop_type, &prop_size))
if (! xcf_load_prop (info, &prop_type, &prop_size))
return FALSE;
switch (prop_type)
@ -381,8 +381,10 @@ xcf_load_image_props (XcfInfo *info,
nguides = prop_size / (4 + 1);
for (i = 0; i < nguides; i++)
{
info->cp += xcf_read_int32 (info->fp, (guint32 *) &position, 1);
info->cp += xcf_read_int8 (info->fp, (guint8 *) &orientation, 1);
info->cp += xcf_read_int32 (info->fp,
(guint32 *) &position, 1);
info->cp += xcf_read_int8 (info->fp,
(guint8 *) &orientation, 1);
/* skip -1 guides from old XCFs */
if (position < 0)
@ -617,7 +619,7 @@ xcf_load_layer_props (XcfInfo *info,
while (TRUE)
{
if (!xcf_load_prop (info, &prop_type, &prop_size))
if (! xcf_load_prop (info, &prop_type, &prop_size))
return FALSE;
switch (prop_type)
@ -715,6 +717,7 @@ xcf_load_layer_props (XcfInfo *info,
gimp_item_parasite_attach (GIMP_ITEM (layer), p);
gimp_parasite_free (p);
}
if (info->cp - base != prop_size)
gimp_message (info->gimp, G_OBJECT (info->progress),
GIMP_MESSAGE_WARNING,
@ -763,7 +766,7 @@ xcf_load_channel_props (XcfInfo *info,
while (TRUE)
{
if (!xcf_load_prop (info, &prop_type, &prop_size))
if (! xcf_load_prop (info, &prop_type, &prop_size))
return FALSE;
switch (prop_type)
@ -857,6 +860,7 @@ xcf_load_channel_props (XcfInfo *info,
gimp_item_parasite_attach (GIMP_ITEM (*channel), p);
gimp_parasite_free (p);
}
if (info->cp - base != prop_size)
gimp_message (info->gimp, G_OBJECT (info->progress),
GIMP_MESSAGE_WARNING,
@ -896,8 +900,16 @@ xcf_load_prop (XcfInfo *info,
PropType *prop_type,
guint32 *prop_size)
{
info->cp += xcf_read_int32 (info->fp, (guint32 *) prop_type, 1);
info->cp += xcf_read_int32 (info->fp, (guint32 *) prop_size, 1);
if (G_UNLIKELY (xcf_read_int32 (info->fp, (guint32 *) prop_type, 1) != 4))
return FALSE;
info->cp += 4;
if (G_UNLIKELY (xcf_read_int32 (info->fp, (guint32 *) prop_size, 1) != 4))
return FALSE;
info->cp += 4;
return TRUE;
}

12
app/xcf/xcf-read.c
View File

@ -34,11 +34,11 @@ xcf_read_int32 (FILE *fp,
guint32 *data,
gint count)
{
guint total = count;
guint total = 0;
if (count > 0)
{
xcf_read_int8 (fp, (guint8 *) data, count * 4);
total += xcf_read_int8 (fp, (guint8 *) data, count * 4);
while (count--)
{
@ -47,7 +47,7 @@ xcf_read_int32 (FILE *fp,
}
}
return total * 4;
return total;
}
guint
@ -63,15 +63,17 @@ xcf_read_int8 (FILE *fp,
guint8 *data,
gint count)
{
guint total = count;
guint total = 0;
while (count > 0)
{
gint bytes = fread ((char *) data, sizeof (char), count, fp);
gint bytes = fread ((char *) data, sizeof (char), count, fp);
if (bytes <= 0) /* something bad happened */
break;
total += bytes;
count -= bytes;
data += bytes;
}