diff options
Diffstat (limited to 'tiff/libtiff/tif_pixarlog.c')
| -rw-r--r-- | tiff/libtiff/tif_pixarlog.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/tiff/libtiff/tif_pixarlog.c b/tiff/libtiff/tif_pixarlog.c index 0ae4f18b..0ed9f010 100644 --- a/tiff/libtiff/tif_pixarlog.c +++ b/tiff/libtiff/tif_pixarlog.c @@ -1,5 +1,3 @@ -/* $Id: tif_pixarlog.c,v 1.54 2017-07-10 10:40:28 erouault Exp $ */ - /* * Copyright (c) 1996-1997 Sam Leffler * Copyright (c) 1996 Pixar @@ -636,20 +634,16 @@ PixarLogGuessDataFmt(TIFFDirectory *td) return guess; } -#define TIFF_SIZE_T_MAX ((size_t) ~ ((size_t)0)) -#define TIFF_TMSIZE_T_MAX (tmsize_t)(TIFF_SIZE_T_MAX >> 1) - static tmsize_t multiply_ms(tmsize_t m1, tmsize_t m2) { - if( m1 == 0 || m2 > TIFF_TMSIZE_T_MAX / m1 ) - return 0; - return m1 * m2; + return _TIFFMultiplySSize(NULL, m1, m2, NULL); } static tmsize_t add_ms(tmsize_t m1, tmsize_t m2) { + assert(m1 >= 0 && m2 >= 0); /* if either input is zero, assume overflow already occurred */ if (m1 == 0 || m2 == 0) return 0; @@ -819,9 +813,7 @@ PixarLogDecode(TIFF* tif, uint8* op, tmsize_t occ, uint16 s) TIFFErrorExt(tif->tif_clientdata, module, "Decoding error at scanline %lu, %s", (unsigned long) tif->tif_row, sp->stream.msg ? sp->stream.msg : "(null)"); - if (inflateSync(&sp->stream) != Z_OK) - return (0); - continue; + return (0); } if (state != Z_OK) { TIFFErrorExt(tif->tif_clientdata, module, "ZLib error: %s", @@ -1155,7 +1147,7 @@ PixarLogEncode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s) llen = sp->stride * td->td_imagewidth; /* Check against the number of elements (of size uint16) of sp->tbuf */ - if( n > (tmsize_t)(td->td_rowsperstrip * llen) ) + if( n > ((tmsize_t)td->td_rowsperstrip * llen) ) { TIFFErrorExt(tif->tif_clientdata, module, "Too many input bytes provided"); |