diff options
Diffstat (limited to 'src/3rdparty/libtiff/libtiff/tif_predict.c')
| -rw-r--r-- | src/3rdparty/libtiff/libtiff/tif_predict.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_predict.c b/src/3rdparty/libtiff/libtiff/tif_predict.c index 0b185d2..9ae1f57 100644 --- a/src/3rdparty/libtiff/libtiff/tif_predict.c +++ b/src/3rdparty/libtiff/libtiff/tif_predict.c @@ -1,4 +1,4 @@ -/* $Id: tif_predict.c,v 1.40 2016-11-04 09:19:13 erouault Exp $ */ +/* $Id: tif_predict.c,v 1.44 2017-06-18 10:31:50 erouault Exp $ */ /* * Copyright (c) 1988-1997 Sam Leffler @@ -117,6 +117,9 @@ PredictorSetupDecode(TIFF* tif) TIFFPredictorState* sp = PredictorState(tif); TIFFDirectory* td = &tif->tif_dir; + /* Note: when PredictorSetup() fails, the effets of setupdecode() */ + /* will not be "cancelled" so setupdecode() might be robust to */ + /* be called several times. */ if (!(*sp->setupdecode)(tif) || !PredictorSetup(tif)) return 0; @@ -259,11 +262,12 @@ PredictorSetupEncode(TIFF* tif) #define REPEAT4(n, op) \ switch (n) { \ - default: { tmsize_t i; for (i = n-4; i > 0; i--) { op; } } \ - case 4: op; \ - case 3: op; \ - case 2: op; \ - case 1: op; \ + default: { \ + tmsize_t i; for (i = n-4; i > 0; i--) { op; } } /*-fallthrough*/ \ + case 4: op; /*-fallthrough*/ \ + case 3: op; /*-fallthrough*/ \ + case 2: op; /*-fallthrough*/ \ + case 1: op; /*-fallthrough*/ \ case 0: ; \ } @@ -273,6 +277,7 @@ PredictorSetupEncode(TIFF* tif) /* - when storing into the byte stream, we explicitly mask with 0xff so */ /* as to make icc -check=conversions happy (not necessary by the standard) */ +TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW static int horAcc8(TIFF* tif, uint8* cp0, tmsize_t cc) { @@ -340,6 +345,7 @@ swabHorAcc16(TIFF* tif, uint8* cp0, tmsize_t cc) return horAcc16(tif, cp0, cc); } +TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW static int horAcc16(TIFF* tif, uint8* cp0, tmsize_t cc) { @@ -374,6 +380,7 @@ swabHorAcc32(TIFF* tif, uint8* cp0, tmsize_t cc) return horAcc32(tif, cp0, cc); } +TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW static int horAcc32(TIFF* tif, uint8* cp0, tmsize_t cc) { @@ -499,6 +506,7 @@ PredictorDecodeTile(TIFF* tif, uint8* op0, tmsize_t occ0, uint16 s) return 0; } +TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW static int horDiff8(TIFF* tif, uint8* cp0, tmsize_t cc) { @@ -552,6 +560,7 @@ horDiff8(TIFF* tif, uint8* cp0, tmsize_t cc) return 1; } +TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW static int horDiff16(TIFF* tif, uint8* cp0, tmsize_t cc) { @@ -591,6 +600,7 @@ swabHorDiff16(TIFF* tif, uint8* cp0, tmsize_t cc) return 1; } +TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW static int horDiff32(TIFF* tif, uint8* cp0, tmsize_t cc) { @@ -633,6 +643,7 @@ swabHorDiff32(TIFF* tif, uint8* cp0, tmsize_t cc) /* * Floating point predictor differencing routine. */ +TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW static int fpDiff(TIFF* tif, uint8* cp0, tmsize_t cc) { @@ -797,7 +808,7 @@ PredictorPrintDir(TIFF* tif, FILE* fd, long flags) case 2: fprintf(fd, "horizontal differencing "); break; case 3: fprintf(fd, "floating point predictor "); break; } - fprintf(fd, "%u (0x%x)\n", sp->predictor, sp->predictor); + fprintf(fd, "%d (0x%x)\n", sp->predictor, sp->predictor); } if (sp->printdir) (*sp->printdir)(tif, fd, flags); |