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--- libsndfile-1.0.28/src/rf64.c 2017-04-02 09:43:22.000000000 +0200
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+++ libsndfile-1.0.27/src/rf64.c 2016-04-01 23:08:53.000000000 +0200
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@@ -735,25 +734,27 @@ rf64_write_header (SF_PRIVATE *psf, int
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#endif
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- pad_size = psf->dataoffset - 16 - psf->header.indx ;
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- if (pad_size >= 0)
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- psf_binheader_writef (psf, "m4z", PAD_MARKER, pad_size, make_size_t (pad_size)) ;
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+ if (psf->header.indx + 8 < psf->dataoffset)
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+ { /* Add PAD data if necessary. */
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+ int k = psf->dataoffset - 16 - psf->header.indx ;
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+ psf_binheader_writef (psf, "m4z", PAD_MARKER, k, make_size_t (k)) ;
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+ } ;
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if (wpriv->rf64_downgrade && (psf->filelength < RIFF_DOWNGRADE_BYTES))
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psf_binheader_writef (psf, "tm8", data_MARKER, psf->datalength) ;
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else
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psf_binheader_writef (psf, "m4", data_MARKER, 0xffffffff) ;
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- psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
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+ psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
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if (psf->error)
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return psf->error ;
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- if (has_data && psf->dataoffset != psf->header.indx)
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- { psf_log_printf (psf, "Oooops : has_data && psf->dataoffset != psf->header.indx\n") ;
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+ if (has_data && psf->dataoffset != psf->header.indx)
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+ { psf_log_printf (psf, "Oooops : has_data && psf->dataoffset != psf->header.indx\n") ;
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return psf->error = SFE_INTERNAL ;
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} ;
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- psf->dataoffset = psf->header.indx ;
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+ psf->dataoffset = psf->header.indx ;
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if (NOT (has_data))
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psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
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