diff options
Diffstat (limited to 'src/3rdparty/libtiff/libtiff/tif_jbig.c')
| -rw-r--r-- | src/3rdparty/libtiff/libtiff/tif_jbig.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_jbig.c b/src/3rdparty/libtiff/libtiff/tif_jbig.c index 7408633..8bfa4ce 100644 --- a/src/3rdparty/libtiff/libtiff/tif_jbig.c +++ b/src/3rdparty/libtiff/libtiff/tif_jbig.c @@ -209,6 +209,16 @@ int TIFFInitJBIG(TIFF* tif, int scheme) */ tif->tif_flags |= TIFF_NOBITREV; tif->tif_flags &= ~TIFF_MAPPED; + /* We may have read from a previous IFD and thus set TIFF_BUFFERMMAP and + * cleared TIFF_MYBUFFER. It is necessary to restore them to their initial + * value to be consistent with the state of a non-memory mapped file. + */ + if (tif->tif_flags&TIFF_BUFFERMMAP) { + tif->tif_rawdata = NULL; + tif->tif_rawdatasize = 0; + tif->tif_flags &= ~TIFF_BUFFERMMAP; + tif->tif_flags |= TIFF_MYBUFFER; + } /* Setup the function pointers for encode, decode, and cleanup. */ tif->tif_setupdecode = JBIGSetupDecode; |