tif_close.c File Reference

#include "tiffiop.h"
#include <string.h>

Include dependency graph for tif_close.c:

Go to the source code of this file.

Functions
void	TIFFCleanup (TIFF *tif)
void	_TIFFCleanupIFDOffsetAndNumberMaps (TIFF *tif)
void	TIFFClose (TIFF *tif)

Function Documentation

_TIFFCleanupIFDOffsetAndNumberMaps()

void _TIFFCleanupIFDOffsetAndNumberMaps

(

TIFF *

tif

)

Definition at line 127 of file tif_close.c.

{
    if (tif->tif_map_dir_offset_to_number)
    {
        TIFFHashSetDestroy(tif->tif_map_dir_offset_to_number);
        tif->tif_map_dir_offset_to_number = NULL;
    }
    if (tif->tif_map_dir_number_to_offset)
    {
        TIFFHashSetDestroy(tif->tif_map_dir_number_to_offset);
        tif->tif_map_dir_number_to_offset = NULL;
    }
}

Referenced by TIFFCleanup(), TIFFCreateCustomDirectory(), TIFFSetDirectory(), TIFFSetSubDirectory(), and TIFFUnlinkDirectory().

TIFFCleanup()

void TIFFCleanup

(

TIFF *

tif

)

Auxiliary function to free the TIFF structure. Given structure will be completely freed, so you should save opened file handle and pointer to the close procedure in external variables before calling _TIFFCleanup(), if you will need these ones to close the file.

Parameters

tif	A TIFF pointer.

Definition at line 44 of file tif_close.c.

{
    /*
     * Flush buffered data and directory (if dirty).
     */
    if (tif->tif_mode != O_RDONLY)
        TIFFFlush(tif);
    TIFFFreeDirectory(tif);
 
    _TIFFCleanupIFDOffsetAndNumberMaps(tif);
 
    /*
     * Clean up client info links.
     */
    while (tif->tif_clientinfo)
    {
        TIFFClientInfoLink *psLink = tif->tif_clientinfo;
 
        tif->tif_clientinfo = psLink->next;
        _TIFFfreeExt(tif, psLink->name);
        _TIFFfreeExt(tif, psLink);
    }
 
    if (tif->tif_rawdata && (tif->tif_flags & TIFF_MYBUFFER))
        _TIFFfreeExt(tif, tif->tif_rawdata);
    if (isMapped(tif))
        TIFFUnmapFileContents(tif, tif->tif_base, (toff_t)tif->tif_size);
 
    /*
     * Clean up custom fields.
     */
    if (tif->tif_fields && tif->tif_nfields > 0)
    {
        uint32_t i;
 
        for (i = 0; i < tif->tif_nfields; i++)
        {
            TIFFField *fld = tif->tif_fields[i];
            if (fld->field_name != NULL)
            {
                if (fld->field_bit == FIELD_CUSTOM &&
                    /* caution: tif_fields[i] must not be the beginning of a
                     * fields-array. Otherwise the following tags are also freed
                     * with the first free().
                     */
                    TIFFFieldIsAnonymous(fld))
                {
                    _TIFFfreeExt(tif, fld->field_name);
                    _TIFFfreeExt(tif, fld);
                }
            }
        }
 
        _TIFFfreeExt(tif, tif->tif_fields);
    }
 
    if (tif->tif_nfieldscompat > 0)
    {
        uint32_t i;
 
        for (i = 0; i < tif->tif_nfieldscompat; i++)
        {
            if (tif->tif_fieldscompat[i].allocated_size)
                _TIFFfreeExt(tif, tif->tif_fieldscompat[i].fields);
        }
        _TIFFfreeExt(tif, tif->tif_fieldscompat);
    }
 
    if (tif->tif_cur_cumulated_mem_alloc != 0)
    {
        TIFFErrorExtR(tif, "TIFFCleanup",
                      "tif_cur_cumulated_mem_alloc = %" PRIu64 " whereas it "
                      "should be 0",
                      (uint64_t)tif->tif_cur_cumulated_mem_alloc);
    }
 
    _TIFFfreeExt(NULL, tif);
}

Referenced by TIFFClientOpenExt(), and TIFFClose().

TIFFClose()

void TIFFClose

(

TIFF *

tif

)

Close a previously opened TIFF file.

TIFFClose closes a file that was previously opened with TIFFOpen(). Any buffered data are flushed to the file, including the contents of the current directory (if modified); and all resources are reclaimed.

Parameters

tif	A TIFF pointer.

Definition at line 155 of file tif_close.c.

{
    if (tif != NULL)
    {
        TIFFCloseProc closeproc = tif->tif_closeproc;
        thandle_t fd = tif->tif_clientdata;
 
        TIFFCleanup(tif);
        (void)(*closeproc)(fd);
    }
}

Referenced by tiff_decoder_destroy(), tiff_decoder_initialize(), tiff_encoder_commit_file(), and tiff_encoder_destroy().