diff options
Diffstat (limited to 'src/3rdparty/libtiff/libtiff/tiffiop.h')
| -rw-r--r-- | src/3rdparty/libtiff/libtiff/tiffiop.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tiffiop.h b/src/3rdparty/libtiff/libtiff/tiffiop.h index 186c291..558484f 100644 --- a/src/3rdparty/libtiff/libtiff/tiffiop.h +++ b/src/3rdparty/libtiff/libtiff/tiffiop.h @@ -77,6 +77,9 @@ extern int snprintf(char* str, size_t size, const char* format, ...); #define FALSE 0 #endif +#define TIFF_SIZE_T_MAX ((size_t) ~ ((size_t)0)) +#define TIFF_TMSIZE_T_MAX (tmsize_t)(TIFF_SIZE_T_MAX >> 1) + typedef struct client_info { struct client_info *next; void *data; @@ -258,7 +261,7 @@ struct tiff { #define TIFFhowmany8_64(x) (((x)&0x07)?((uint64)(x)>>3)+1:(uint64)(x)>>3) #define TIFFroundup_64(x, y) (TIFFhowmany_64(x,y)*(y)) -/* Safe multiply which returns zero if there is an integer overflow */ +/* Safe multiply which returns zero if there is an *unsigned* integer overflow. This macro is not safe for *signed* integer types */ #define TIFFSafeMultiply(t,v,m) ((((t)(m) != (t)0) && (((t)(((v)*(m))/(m))) == (t)(v))) ? (t)((v)*(m)) : (t)0) #define TIFFmax(A,B) ((A)>(B)?(A):(B)) @@ -368,6 +371,8 @@ extern TIFFErrorHandlerExt _TIFFerrorHandlerExt; extern uint32 _TIFFMultiply32(TIFF*, uint32, uint32, const char*); extern uint64 _TIFFMultiply64(TIFF*, uint64, uint64, const char*); +extern tmsize_t _TIFFMultiplySSize(TIFF*, tmsize_t, tmsize_t, const char*); +extern tmsize_t _TIFFCastUInt64ToSSize(TIFF*, uint64, const char*); extern void* _TIFFCheckMalloc(TIFF*, tmsize_t, tmsize_t, const char*); extern void* _TIFFCheckRealloc(TIFF*, void*, tmsize_t, tmsize_t, const char*); |