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tif_unix.c: do not _tiffMapProc 0 size files

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fixes #22
http://bugzilla.maptools.org/show_bug.cgi?id=2249
This commit is contained in:
Thomas Bernard 2020-03-14 00:08:49 +01:00
parent fe10bc1bc3
commit 0c04331f97
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GPG Key ID: 0FF11B67A5C0863C
1 changed files with 1 additions and 1 deletions
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libtiff/tif_unix.c
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@ -162,7 +162,7 @@ _tiffMapProc(thandle_t fd, void** pbase, toff_t* psize)
{
uint64 size64 = _tiffSizeProc(fd);
tmsize_t sizem = (tmsize_t)size64;
if ((uint64)sizem==size64) {
if (size64 && (uint64)sizem==size64) {
fd_as_handle_union_t fdh;
fdh.h = fd;
*pbase = (void*)