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mirror of https://github.com/qpdf/qpdf.git synced 2024-06-05 03:40:53 +00:00

Don't keep QPDF objects for merging longer than needed

This commit is contained in:
Jay Berkenbilt 2019-01-06 22:00:37 -05:00
parent c3cee5f154
commit 8a5ca0e406

View File

@ -3671,8 +3671,7 @@ static void handle_transformations(QPDF& pdf, Options& o)
}
}
static void handle_page_specs(QPDF& pdf, Options& o,
std::vector<PointerHolder<QPDF> >& page_heap)
static void handle_page_specs(QPDF& pdf, Options& o)
{
// Parse all page specifications and translate them into lists of
// actual pages.
@ -3715,6 +3714,7 @@ static void handle_page_specs(QPDF& pdf, Options& o,
}
// Create a QPDF object for each file that we may take pages from.
std::vector<PointerHolder<QPDF> > page_heap;
std::map<std::string, QPDF*> page_spec_qpdfs;
std::map<std::string, ClosedFileInputSource*> page_spec_cfis;
page_spec_qpdfs[o.infilename] = &pdf;
@ -3727,7 +3727,7 @@ static void handle_page_specs(QPDF& pdf, Options& o,
{
// Open the PDF file and store the QPDF object. Throw a
// PointerHolder to the qpdf into a heap so that it
// survives through writing the output but gets cleaned up
// survives through copying to the output but gets cleaned up
// automatically at the end. Do not canonicalize the file
// name. Using two different paths to refer to the same
// file is a document workaround for duplicating a page.
@ -4273,10 +4273,9 @@ int main(int argc, char* argv[])
}
handle_transformations(pdf, o);
std::vector<PointerHolder<QPDF> > page_heap;
if (! o.page_specs.empty())
{
handle_page_specs(pdf, o, page_heap);
handle_page_specs(pdf, o);
}
if (! o.rotations.empty())
{