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| author | Roger Leigh <rleigh@codelibre.net> | 2022-06-04 19:56:51 +0100 |
|---|---|---|
| committer | Roger Leigh <rleigh@codelibre.net> | 2022-06-04 19:56:51 +0100 |
| commit | 7643b4c434bc0681e6cf65b886c6c9fa9ce7988e (patch) | |
| tree | 4d490fca0a8aaac28c7d82fbf23b8426c051618c | |
| parent | fa8b983a268e44105644efc72291e232a0d96333 (diff) | |
| download | libtiff-git-7643b4c434bc0681e6cf65b886c6c9fa9ce7988e.tar.gz | |
tiffdump: Avoid overflow warning when reading
| -rw-r--r-- | tools/tiffdump.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/tiffdump.c b/tools/tiffdump.c index 3d91c6ad..e4e239d1 100644 --- a/tools/tiffdump.c +++ b/tools/tiffdump.c @@ -192,7 +192,7 @@ dump(int fd, uint64_t diroff) TIFFSwabShort(&hdr.common.tiff_version); if (hdr.common.tiff_version==42) { - if (read(fd, (char*) &hdr.classic.tiff_diroff, 4) != 4) + if (read(fd, ((char*) &hdr.classic) + offsetof(TIFFHeaderClassic, tiff_diroff), 4) != 4) ReadError("TIFF header"); if (swabflag) TIFFSwabLong(&hdr.classic.tiff_diroff); @@ -205,7 +205,7 @@ dump(int fd, uint64_t diroff) } else if (hdr.common.tiff_version==43) { - if (read(fd, (char*) &hdr.big.tiff_offsetsize, 12) != 12) + if (read(fd, ((char*) &hdr.big) + offsetof(TIFFHeaderBig, tiff_offsetsize), 12) != 12) ReadError("TIFF header"); if (swabflag) { |