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Catch incorrect palette sizes

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This commit is contained in:
Sandro Mani 2013-08-28 20:30:04 +02:00
parent 4be146cf27
commit 2ec21cf5ae
1 changed files with 6 additions and 0 deletions
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6
_imaging.c
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@ -286,6 +286,7 @@ static const char* wrong_mode = "unrecognized image mode";
static const char* wrong_raw_mode = "unrecognized raw mode"; static const char* wrong_raw_mode = "unrecognized raw mode";
static const char* outside_image = "image index out of range"; static const char* outside_image = "image index out of range";
static const char* outside_palette = "palette index out of range"; static const char* outside_palette = "palette index out of range";
static const char* wrong_palette_size = "invalid palette size";
static const char* no_palette = "image has no palette"; static const char* no_palette = "image has no palette";
static const char* readonly = "image is readonly"; static const char* readonly = "image is readonly";
/* static const char* no_content = "image has no content"; */ /* static const char* no_content = "image has no content"; */
@ -1412,6 +1413,11 @@ _putpalette(ImagingObject* self, PyObject* args)
return NULL; return NULL;
} }
if ( palettesize * 8 / bits > 256) {
PyErr_SetString(PyExc_ValueError, wrong_palette_size);
return NULL;
}
ImagingPaletteDelete(self->image->palette); ImagingPaletteDelete(self->image->palette);
strcpy(self->image->mode, "P"); strcpy(self->image->mode, "P");