diff --git a/libtiff/tif_dirwrite.c b/libtiff/tif_dirwrite.c index 2430de6d0c0dacf2cb3d228573972cc3ea3a153d..c15a28dbd8fcb99b81fa5a1d44fcbcda881f42a7 100644 --- a/libtiff/tif_dirwrite.c +++ b/libtiff/tif_dirwrite.c @@ -695,8 +695,11 @@ TIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff) } break; default: - assert(0); /* we should never get here */ - break; + TIFFErrorExt(tif->tif_clientdata,module, + "Cannot write tag %d (%s)", + TIFFFieldTag(o), + o->field_name ? o->field_name : "unknown"); + goto bad; } } }