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libtiff/tif_print.c: TIFFPrintDirectory(): fix null pointer dereference on corrupted file. Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2770

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This commit is contained in:
Even Rouault 2017-12-31 15:09:41 +01:00
parent 5848777bd7
commit c6f41df7b5
1 changed files with 4 additions and 4 deletions
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8
libtiff/tif_print.c
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@ -665,13 +665,13 @@ TIFFPrintDirectory(TIFF* tif, FILE* fd, long flags)
#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
fprintf(fd, " %3lu: [%8I64u, %8I64u]\n",
(unsigned long) s,
(unsigned __int64) td->td_stripoffset[s],
(unsigned __int64) td->td_stripbytecount[s]);
td->td_stripoffset ? (unsigned __int64) td->td_stripoffset[s] : 0,
td->td_stripbytecount ? (unsigned __int64) td->td_stripbytecount[s] : 0);
#else
fprintf(fd, " %3lu: [%8llu, %8llu]\n",
(unsigned long) s,
(unsigned long long) td->td_stripoffset[s],
(unsigned long long) td->td_stripbytecount[s]);
td->td_stripoffset ? (unsigned long long) td->td_stripoffset[s] : 0,
td->td_stripbytecount ? (unsigned long long) td->td_stripbytecount[s] : 0);
#endif
}
}