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Backport reading improvements/bug fixes from master.

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This commit is contained in:
Michael R Sweet
2025-04-24 12:19:11 -04:00
parent f9c07a0346
commit 8f706b9fe7
5 changed files with 175 additions and 100 deletions
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17
pdfio-object.c
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@@ -141,6 +141,7 @@ pdfioObjCreateStream(
pdfio_obj_t *obj, // I - Object
pdfio_filter_t filter) // I - Type of compression to apply
{
pdfio_stream_t *st; // Stream
pdfio_obj_t *length_obj = NULL; // Length object, if any
@@ -194,11 +195,13 @@ pdfioObjCreateStream(
if (!_pdfioFilePuts(obj->pdf, "stream\n"))
return (NULL);
obj->stream_offset = _pdfioFileTell(obj->pdf);
obj->pdf->current_obj = obj;
obj->stream_offset = _pdfioFileTell(obj->pdf);
// Return the new stream...
return (_pdfioStreamCreate(obj, length_obj, 0, filter));
if ((st = _pdfioStreamCreate(obj, length_obj, 0, filter)) != NULL)
obj->pdf->current_obj = obj;
return (st);
}
@@ -532,6 +535,9 @@ pdfio_stream_t * // O - Stream or `NULL` on error
pdfioObjOpenStream(pdfio_obj_t *obj, // I - Object
bool decode) // I - Decode/decompress data?
{
pdfio_stream_t *st; // Stream
// Range check input...
if (!obj)
return (NULL);
@@ -554,9 +560,10 @@ pdfioObjOpenStream(pdfio_obj_t *obj, // I - Object
return (NULL);
// Open the stream...
obj->pdf->current_obj = obj;
if ((st = _pdfioStreamOpen(obj, decode)) != NULL)
obj->pdf->current_obj = obj;
return (_pdfioStreamOpen(obj, decode));
return (st);
}