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Fix libtiff warnings about int to pointer conversions.

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As with the previous commit, make an exception to the usual rule of not
changing 3rd party code to get rid of the annoying warnings appearing in each
buildbot libtiff rebuild.
This commit is contained in:
Vadim Zeitlin
2015-04-13 00:03:39 +02:00
parent 1eb2d9f6fe
commit ea07bb0beb
1 changed files with 27 additions and 7 deletions
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34
src/tiff/libtiff/tif_unix.c
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@@ -54,53 +54,69 @@
#include "tiffiop.h"
typedef union fd_as_handle_union
{
int fd;
thandle_t h;
} fd_as_handle_union_t;
static tmsize_t
_tiffReadProc(thandle_t fd, void* buf, tmsize_t size)
{
fd_as_handle_union_t fdh;
size_t size_io = (size_t) size;
if ((tmsize_t) size_io != size)
{
errno=EINVAL;
return (tmsize_t) -1;
}
return ((tmsize_t) read((int) fd, buf, size_io));
fdh.h = fd;
return ((tmsize_t) read(fdh.fd, buf, size_io));
}
static tmsize_t
_tiffWriteProc(thandle_t fd, void* buf, tmsize_t size)
{
fd_as_handle_union_t fdh;
size_t size_io = (size_t) size;
if ((tmsize_t) size_io != size)
{
errno=EINVAL;
return (tmsize_t) -1;
}
return ((tmsize_t) write((int) fd, buf, size_io));
fdh.h = fd;
return ((tmsize_t) write(fdh.fd, buf, size_io));
}
static uint64
_tiffSeekProc(thandle_t fd, uint64 off, int whence)
{
fd_as_handle_union_t fdh;
off_t off_io = (off_t) off;
if ((uint64) off_io != off)
{
errno=EINVAL;
return (uint64) -1; /* this is really gross */
}
return((uint64)lseek((int)fd,off_io,whence));
fdh.h = fd;
return((uint64)lseek(fdh.fd,off_io,whence));
}
static int
_tiffCloseProc(thandle_t fd)
{
return(close((int)fd));
fd_as_handle_union_t fdh;
fdh.h = fd;
return(close(fdh.fd));
}
static uint64
_tiffSizeProc(thandle_t fd)
{
fd_as_handle_union_t fdh;
fdh.h = fd;
struct stat sb;
if (fstat((int)fd,&sb)<0)
if (fstat(fdh.fd,&sb)<0)
return(0);
else
return((uint64)sb.st_size);
@@ -115,8 +131,10 @@ _tiffMapProc(thandle_t fd, void** pbase, toff_t* psize)
uint64 size64 = _tiffSizeProc(fd);
tmsize_t sizem = (tmsize_t)size64;
if ((uint64)sizem==size64) {
fd_as_handle_union_t fdh;
fdh.h = fd;
*pbase = (void*)
mmap(0, (size_t)sizem, PROT_READ, MAP_SHARED, (int) fd, 0);
mmap(0, (size_t)sizem, PROT_READ, MAP_SHARED, fdh.fd, 0);
if (*pbase != (void*) -1) {
*psize = (tmsize_t)sizem;
return (1);
@@ -154,8 +172,10 @@ TIFFFdOpen(int fd, const char* name, const char* mode)
{
TIFF* tif;
fd_as_handle_union_t fdh;
fdh.fd = fd;
tif = TIFFClientOpen(name, mode,
(thandle_t) fd,
fdh.h,
_tiffReadProc, _tiffWriteProc,
_tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
_tiffMapProc, _tiffUnmapProc);