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#3536 - Fixed PrusaSlicer not closing the file when trying to open an invalid 3mf (actually any zip) file

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This commit is contained in:
Enrico Turri 2020-01-20 13:29:59 +01:00
parent cbe5132832
commit c87e951da5
1 changed files with 14 additions and 2 deletions
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16
src/libslic3r/miniz_extension.cpp
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@ -26,8 +26,20 @@ bool open_zip(mz_zip_archive *zip, const char *fname, bool isread)
return false; return false;
} }
return isread ? mz_zip_reader_init_cfile(zip, f, 0, 0) bool res = false;
: mz_zip_writer_init_cfile(zip, f, 0); if (isread)
{
res = mz_zip_reader_init_cfile(zip, f, 0, 0);
if (!res)
// if we get here it means we tried to open a non-zip file
// we need to close the file here because the call to mz_zip_get_cfile() made into close_zip() returns a null pointer
// see: https://github.com/prusa3d/PrusaSlicer/issues/3536
fclose(f);
}
else
res = mz_zip_writer_init_cfile(zip, f, 0);
return res;
} }
bool close_zip(mz_zip_archive *zip, bool isread) bool close_zip(mz_zip_archive *zip, bool isread)