tif_unix.c File Reference

#include "tif_config.h"
#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "tiffiop.h"

Include dependency graph for tif_unix.c:

Go to the source code of this file.

Classes
union	fd_as_handle_union

Macros
#define	TIFF_IO_MAX   2147483647U

Typedefs
typedef union fd_as_handle_union	fd_as_handle_union_t

Functions
static tmsize_t	_tiffReadProc (thandle_t fd, void *buf, tmsize_t size)
static tmsize_t	_tiffWriteProc (thandle_t fd, void *buf, tmsize_t size)
static uint64	_tiffSeekProc (thandle_t fd, uint64 off, int whence)
static int	_tiffCloseProc (thandle_t fd)
static uint64	_tiffSizeProc (thandle_t fd)
static int	_tiffMapProc (thandle_t fd, void **pbase, toff_t *psize)
static void	_tiffUnmapProc (thandle_t fd, void *base, toff_t size)
TIFF *	TIFFFdOpen (int fd, const char *name, const char *mode)
TIFF *	TIFFOpen (const char *name, const char *mode)
void *	_TIFFmalloc (tmsize_t s)
void *	_TIFFcalloc (tmsize_t nmemb, tmsize_t siz)
void	_TIFFfree (void *p)
void *	_TIFFrealloc (void *p, tmsize_t s)
void	_TIFFmemset (void *p, int v, tmsize_t c)
void	_TIFFmemcpy (void *d, const void *s, tmsize_t c)
int	_TIFFmemcmp (const void *p1, const void *p2, tmsize_t c)
static void	unixWarningHandler (const char *module, const char *fmt, va_list ap)
static void	unixErrorHandler (const char *module, const char *fmt, va_list ap)

Variables
TIFFErrorHandler	_TIFFwarningHandler = unixWarningHandler
TIFFErrorHandler	_TIFFerrorHandler = unixErrorHandler

Macro Definition Documentation

TIFF_IO_MAX

#define TIFF_IO_MAX   2147483647U

Definition at line 57 of file tif_unix.c.

Typedef Documentation

fd_as_handle_union_t

typedef union fd_as_handle_union fd_as_handle_union_t

Function Documentation

_TIFFcalloc()

void * _TIFFcalloc	(	tmsize_t	nmemb,
		tmsize_t	siz
	)

Definition at line 317 of file tif_unix.c.

{
    if( nmemb == 0 || siz == 0 )
        return ((void *) NULL);
 
    return calloc((size_t) nmemb, (size_t)siz);
}

Referenced by TIFFReadBufferSetup(), and TIFFReadDirectory().

_tiffCloseProc()

static int _tiffCloseProc ( thandle_t  fd )

static

Definition at line 138 of file tif_unix.c.

{
    fd_as_handle_union_t fdh;
    fdh.h = fd;
    return(close(fdh.fd));
}

Referenced by TIFFFdOpen().

_TIFFfree()

void _TIFFfree

(

void *

p

)

Definition at line 326 of file tif_unix.c.

{
    free(p);
}

Referenced by _TIFFCreateAnonField(), _TIFFFetchStrileValue(), _TIFFFillStrilesInternal(), _TIFFRewriteField(), _TIFFSetupFields(), _TIFFVSetField(), allocChoppedUpStripArrays(), EstimateStripByteCounts(), fpAcc(), fpDiff(), gtStripContig(), gtStripSeparate(), gtTileContig(), gtTileSeparate(), initCIELabConversion(), PredictorEncodeTile(), setByteArray(), setDoubleArrayOneValue(), setExtraSamples(), setupMap(), TIFFCleanup(), TIFFClientOpen(), TIFFDefaultDirectory(), TIFFDefaultTransferFunction(), TIFFFetchDirectory(), TIFFFetchNormalTag(), TIFFFetchStripThing(), TIFFFillStrip(), TIFFFillTile(), TIFFFreeDirectory(), TIFFGetConfiguredCODECs(), TIFFGrowStrips(), TIFFPrintDirectory(), TIFFReadAndRealloc(), TIFFReadBufferSetup(), TIFFReadCustomDirectory(), TIFFReadDirectory(), TIFFReadDirEntryArrayWithLimit(), TIFFReadDirEntryByteArray(), TIFFReadDirEntryDoubleArray(), TIFFReadDirEntryFloatArray(), TIFFReadDirEntryIfd8Array(), TIFFReadDirEntryLong8ArrayWithLimit(), TIFFReadDirEntryLongArray(), TIFFReadDirEntryPersampleShort(), TIFFReadDirEntrySbyteArray(), TIFFReadDirEntryShortArray(), TIFFReadDirEntrySlong8Array(), TIFFReadDirEntrySlongArray(), TIFFReadDirEntrySshortArray(), TIFFRGBAImageEnd(), TIFFUnlinkDirectory(), TIFFUnRegisterCODEC(), TIFFUnsetField(), TIFFWriteBufferSetup(), TIFFWriteDirectorySec(), TIFFWriteDirectoryTagCheckedRationalArray(), TIFFWriteDirectoryTagCheckedSrationalArray(), TIFFWriteDirectoryTagColormap(), TIFFWriteDirectoryTagIfdIfd8Array(), TIFFWriteDirectoryTagLongLong8Array(), TIFFWriteDirectoryTagSampleformatArray(), TIFFWriteDirectoryTagShortPerSample(), TIFFWriteDirectoryTagSubifd(), and TIFFWriteDirectoryTagTransferfunction().

_TIFFmalloc()

void * _TIFFmalloc

(

tmsize_t

s

)

Definition at line 309 of file tif_unix.c.

{
        if (s == 0)
                return ((void *) NULL);
 
    return (malloc((size_t) s));
}

Referenced by _TIFFCreateAnonField(), _TIFFReadEncodedStripAndAllocBuffer(), _TIFFReadEncodedTileAndAllocBuffer(), BuildMapBitdepth16To8(), BuildMapUaToAa(), fpAcc(), fpDiff(), initCIELabConversion(), initYCbCrConversion(), makebwmap(), makecmap(), PredictorEncodeTile(), setByteArray(), setDoubleArrayOneValue(), setupMap(), TIFFClientOpen(), TIFFDefaultRefBlackWhite(), TIFFDefaultTransferFunction(), TIFFFetchNormalTag(), TIFFPrintDirectory(), TIFFReadDirEntryByteArray(), TIFFReadDirEntryDoubleArray(), TIFFReadDirEntryFloatArray(), TIFFReadDirEntryIfd8Array(), TIFFReadDirEntryLong8ArrayWithLimit(), TIFFReadDirEntryLongArray(), TIFFReadDirEntrySbyteArray(), TIFFReadDirEntryShortArray(), TIFFReadDirEntrySlong8Array(), TIFFReadDirEntrySlongArray(), TIFFReadDirEntrySshortArray(), TIFFRegisterCODEC(), TIFFRGBAImageBegin(), TIFFSetClientInfo(), TIFFWriteBufferSetup(), TIFFWriteDirectorySec(), TIFFWriteDirectoryTagCheckedRationalArray(), TIFFWriteDirectoryTagCheckedSrationalArray(), TIFFWriteDirectoryTagColormap(), TIFFWriteDirectoryTagIfdIfd8Array(), TIFFWriteDirectoryTagLongLong8Array(), TIFFWriteDirectoryTagSampleformatArray(), TIFFWriteDirectoryTagShortPerSample(), TIFFWriteDirectoryTagSubifd(), and TIFFWriteDirectoryTagTransferfunction().

_tiffMapProc()

static int _tiffMapProc ( thandle_t  fd, void **  pbase, toff_t *  psize  )

static

Definition at line 186 of file tif_unix.c.

{
    (void) fd; (void) pbase; (void) psize;
    return (0);
}

Referenced by TIFFFdOpen().

_TIFFmemcmp()

int _TIFFmemcmp	(	const void *	p1,
		const void *	p2,
		tmsize_t	c
	)

Definition at line 350 of file tif_unix.c.

{
    return (memcmp(p1, p2, (size_t) c));
}

Referenced by TIFFWriteDirectoryTagTransferfunction().

_TIFFmemcpy()

void _TIFFmemcpy	(	void *	d,
		const void *	s,
		tmsize_t	c
	)

Definition at line 344 of file tif_unix.c.

{
    memcpy(d, s, (size_t) c);
}

Referenced by _TIFFVSetField(), DumpModeDecode(), DumpModeEncode(), fpAcc(), fpDiff(), setByteArray(), TIFFAdvanceDirectory(), TIFFCIELabToRGBInit(), TIFFDefaultTransferFunction(), TIFFFetchDirectory(), TIFFFetchNormalTag(), TIFFFetchStripThing(), TIFFGetConfiguredCODECs(), TIFFReadDirectory(), TIFFReadDirEntryArrayWithLimit(), TIFFReadDirEntryData(), TIFFReadRawStrip1(), TIFFReadRawTile1(), TIFFRGBAImageBegin(), TIFFWriteDirectorySec(), TIFFWriteDirectoryTagColormap(), TIFFWriteDirectoryTagData(), and TIFFWriteDirectoryTagTransferfunction().

_TIFFmemset()

void _TIFFmemset	(	void *	p,
		int	v,
		tmsize_t	c
	)

Definition at line 338 of file tif_unix.c.

{
    memset(p, v, (size_t) c);
}

Referenced by _TIFFCreateAnonField(), _TIFFFillStrilesInternal(), _TIFFReadEncodedStripAndAllocBuffer(), _TIFFReadEncodedTileAndAllocBuffer(), _TIFFVSetField(), TIFFClientOpen(), TIFFDefaultDirectory(), TIFFFetchStripThing(), TIFFFreeDirectory(), TIFFGetConfiguredCODECs(), TIFFGrowStrips(), TIFFReadCustomDirectory(), TIFFReadRGBATileExt(), TIFFSetupStrips(), and TIFFYCbCrToRGBInit().

_tiffReadProc()

static tmsize_t _tiffReadProc ( thandle_t  fd, void *  buf, tmsize_t  size  )

static

Definition at line 67 of file tif_unix.c.

{
    fd_as_handle_union_t fdh;
        const size_t bytes_total = (size_t) size;
        size_t bytes_read;
        tmsize_t count = -1;
    if ((tmsize_t) bytes_total != size)
    {
        errno=EINVAL;
        return (tmsize_t) -1;
    }
    fdh.h = fd;
        for (bytes_read=0; bytes_read < bytes_total; bytes_read+=count)
        {
                char *buf_offset = (char *) buf+bytes_read;
                size_t io_size = bytes_total-bytes_read;
                if (io_size > TIFF_IO_MAX)
                        io_size = TIFF_IO_MAX;
                count=read(fdh.fd, buf_offset, (TIFFIOSize_t) io_size);
                if (count <= 0)
                        break;
        }
        if (count < 0)
                return (tmsize_t)-1;
        return (tmsize_t) bytes_read;
}

Referenced by TIFFFdOpen().

_TIFFrealloc()

void * _TIFFrealloc	(	void *	p,
		tmsize_t	s
	)

Definition at line 332 of file tif_unix.c.

{
    return (realloc(p, (size_t) s));
}

Referenced by _TIFFCheckRealloc(), _TIFFFetchStrileValue(), _TIFFVSetField(), TIFFGetConfiguredCODECs(), TIFFGrowStrips(), TIFFReadAndRealloc(), and TIFFReadDirEntryDataAndRealloc().

_tiffSeekProc()

static uint64 _tiffSeekProc ( thandle_t  fd, uint64  off, int  whence  )

static

Definition at line 124 of file tif_unix.c.

{
    fd_as_handle_union_t fdh;
    _TIFF_off_t off_io = (_TIFF_off_t) off;
    if ((uint64) off_io != off)
    {
        errno=EINVAL;
        return (uint64) -1; /* this is really gross */
    }
    fdh.h = fd;
    return((uint64)_TIFF_lseek_f(fdh.fd,off_io,whence));
}

Referenced by TIFFFdOpen().

_tiffSizeProc()

static uint64 _tiffSizeProc ( thandle_t  fd )

static

Definition at line 146 of file tif_unix.c.

{
    _TIFF_stat_s sb;
    fd_as_handle_union_t fdh;
    fdh.h = fd;
    if (_TIFF_fstat_f(fdh.fd,&sb)<0)
        return(0);
    else
        return((uint64)sb.st_size);
}

Referenced by TIFFFdOpen().

_tiffUnmapProc()

static void _tiffUnmapProc ( thandle_t  fd, void *  base, toff_t  size  )

static

Definition at line 193 of file tif_unix.c.

{
    (void) fd; (void) base; (void) size;
}

Referenced by TIFFFdOpen().

_tiffWriteProc()

static tmsize_t _tiffWriteProc ( thandle_t  fd, void *  buf, tmsize_t  size  )

static

Definition at line 95 of file tif_unix.c.

{
    fd_as_handle_union_t fdh;
    const size_t bytes_total = (size_t) size;
        size_t bytes_written;
        tmsize_t count = -1;
    if ((tmsize_t) bytes_total != size)
    {
        errno=EINVAL;
        return (tmsize_t) -1;
    }
    fdh.h = fd;
        for (bytes_written=0; bytes_written < bytes_total; bytes_written+=count)
        {
                const char *buf_offset = (char *) buf+bytes_written;
                size_t io_size = bytes_total-bytes_written;
                if (io_size > TIFF_IO_MAX)
                        io_size = TIFF_IO_MAX;
                count=write(fdh.fd, buf_offset, (TIFFIOSize_t) io_size);
                if (count <= 0)
                        break;
        }
        if (count < 0)
                return (tmsize_t)-1;
        return (tmsize_t) bytes_written;
    /* return ((tmsize_t) write(fdh.fd, buf, bytes_total)); */
}

Referenced by TIFFFdOpen().

TIFFFdOpen()

TIFF * TIFFFdOpen	(	int	fd,
		const char *	name,
		const char *	mode
	)

Definition at line 203 of file tif_unix.c.

{
    TIFF* tif;
 
    fd_as_handle_union_t fdh;
    fdh.fd = fd;
    tif = TIFFClientOpen(name, mode,
        fdh.h,
        _tiffReadProc, _tiffWriteProc,
        _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
        _tiffMapProc, _tiffUnmapProc);
    if (tif)
        tif->tif_fd = fd;
    return (tif);
}

Referenced by TIFFOpen().

TIFFOpen()

TIFF * TIFFOpen	(	const char *	name,
		const char *	mode
	)

Definition at line 223 of file tif_unix.c.

{
    static const char module[] = "TIFFOpen";
    int m, fd;
    TIFF* tif;
 
    m = _TIFFgetMode(mode, module);
    if (m == -1)
        return ((TIFF*)0);
 
/* for cygwin and mingw */
#ifdef O_BINARY
    m |= O_BINARY;
#endif
 
    fd = open(name, m, 0666);
    if (fd < 0) {
        if (errno > 0 && strerror(errno) != NULL ) {
            TIFFErrorExt(0, module, "%s: %s", name, strerror(errno) );
        } else {
            TIFFErrorExt(0, module, "%s: Cannot open", name);
        }
        return ((TIFF *)0);
    }
 
    tif = TIFFFdOpen((int)fd, name, mode);
    if(!tif)
        close(fd);
    return tif;
}

unixErrorHandler()

static void unixErrorHandler ( const char *  module, const char *  fmt, va_list  ap  )

static

Definition at line 367 of file tif_unix.c.

{
    if (module != NULL)
        fprintf(stderr, "%s: ", module);
    vfprintf(stderr, fmt, ap);
    fprintf(stderr, ".\n");
}

unixWarningHandler()

static void unixWarningHandler ( const char *  module, const char *  fmt, va_list  ap  )

static

Definition at line 356 of file tif_unix.c.

{
    if (module != NULL)
        fprintf(stderr, "%s: ", module);
    fprintf(stderr, "Warning, ");
    vfprintf(stderr, fmt, ap);
    fprintf(stderr, ".\n");
}

Variable Documentation

_TIFFerrorHandler

TIFFErrorHandler _TIFFerrorHandler = unixErrorHandler

Definition at line 374 of file tif_unix.c.

Referenced by TIFFError(), TIFFErrorExt(), and TIFFSetErrorHandler().

_TIFFwarningHandler

TIFFErrorHandler _TIFFwarningHandler = unixWarningHandler

Definition at line 364 of file tif_unix.c.

Referenced by TIFFSetWarningHandler(), TIFFWarning(), and TIFFWarningExt().