diff options
Diffstat (limited to 'src/3rdparty/libtiff/libtiff/tif_luv.c')
| -rw-r--r-- | src/3rdparty/libtiff/libtiff/tif_luv.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_luv.c b/src/3rdparty/libtiff/libtiff/tif_luv.c index eba6c08..4e328ba 100644 --- a/src/3rdparty/libtiff/libtiff/tif_luv.c +++ b/src/3rdparty/libtiff/libtiff/tif_luv.c @@ -1,4 +1,4 @@ -/* $Id: tif_luv.c,v 1.35 2011-04-02 20:54:09 bfriesen Exp $ */ +/* $Id: tif_luv.c,v 1.40 2015-06-21 01:09:09 bfriesen Exp $ */ /* * Copyright (c) 1997 Greg Ward Larson @@ -379,6 +379,9 @@ LogLuvDecodeStrip(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s) { tmsize_t rowlen = TIFFScanlineSize(tif); + if (rowlen == 0) + return 0; + assert(cc%rowlen == 0); while (cc && (*tif->tif_decoderow)(tif, bp, rowlen, s)) bp += rowlen, cc -= rowlen; @@ -395,6 +398,9 @@ LogLuvDecodeTile(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s) { tmsize_t rowlen = TIFFTileRowSize(tif); + if (rowlen == 0) + return 0; + assert(cc%rowlen == 0); while (cc && (*tif->tif_decoderow)(tif, bp, rowlen, s)) bp += rowlen, cc -= rowlen; @@ -644,6 +650,9 @@ LogLuvEncodeStrip(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s) { tmsize_t rowlen = TIFFScanlineSize(tif); + if (rowlen == 0) + return 0; + assert(cc%rowlen == 0); while (cc && (*tif->tif_encoderow)(tif, bp, rowlen, s) == 1) bp += rowlen, cc -= rowlen; @@ -659,6 +668,9 @@ LogLuvEncodeTile(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s) { tmsize_t rowlen = TIFFTileRowSize(tif); + if (rowlen == 0) + return 0; + assert(cc%rowlen == 0); while (cc && (*tif->tif_encoderow)(tif, bp, rowlen, s) == 1) bp += rowlen, cc -= rowlen; @@ -683,7 +695,9 @@ LogLuvEncodeTile(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s) #ifndef M_PI #define M_PI 3.14159265358979323846 #endif +#undef log2 /* Conflict with C'99 function */ #define log2(x) ((1./M_LN2)*log(x)) +#undef exp2 /* Conflict with C'99 function */ #define exp2(x) exp(M_LN2*(x)) #define itrunc(x,m) ((m)==SGILOGENCODE_NODITHER ? \ |