blob: 13d2bab5ce956e85c0154bda4fcdecd79e8ebd53
| 1 | /* $Id: tif_close.c,v 1.19 2010-03-10 18:56:48 bfriesen Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1988-1997 Sam Leffler |
| 5 | * Copyright (c) 1991-1997 Silicon Graphics, Inc. |
| 6 | * |
| 7 | * Permission to use, copy, modify, distribute, and sell this software and |
| 8 | * its documentation for any purpose is hereby granted without fee, provided |
| 9 | * that (i) the above copyright notices and this permission notice appear in |
| 10 | * all copies of the software and related documentation, and (ii) the names of |
| 11 | * Sam Leffler and Silicon Graphics may not be used in any advertising or |
| 12 | * publicity relating to the software without the specific, prior written |
| 13 | * permission of Sam Leffler and Silicon Graphics. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, |
| 16 | * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY |
| 17 | * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
| 18 | * |
| 19 | * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR |
| 20 | * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, |
| 21 | * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| 22 | * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF |
| 23 | * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| 24 | * OF THIS SOFTWARE. |
| 25 | */ |
| 26 | |
| 27 | /* |
| 28 | * TIFF Library. |
| 29 | */ |
| 30 | #include "tiffiop.h" |
| 31 | #include <string.h> |
| 32 | |
| 33 | /************************************************************************/ |
| 34 | /* TIFFCleanup() */ |
| 35 | /************************************************************************/ |
| 36 | |
| 37 | /** |
| 38 | * Auxiliary function to free the TIFF structure. Given structure will be |
| 39 | * completetly freed, so you should save opened file handle and pointer |
| 40 | * to the close procedure in external variables before calling |
| 41 | * _TIFFCleanup(), if you will need these ones to close the file. |
| 42 | * |
| 43 | * @param tif A TIFF pointer. |
| 44 | */ |
| 45 | |
| 46 | void |
| 47 | TIFFCleanup(TIFF* tif) |
| 48 | { |
| 49 | /* |
| 50 | * Flush buffered data and directory (if dirty). |
| 51 | */ |
| 52 | if (tif->tif_mode != O_RDONLY) |
| 53 | TIFFFlush(tif); |
| 54 | (*tif->tif_cleanup)(tif); |
| 55 | TIFFFreeDirectory(tif); |
| 56 | |
| 57 | if (tif->tif_dirlist) |
| 58 | _TIFFfree(tif->tif_dirlist); |
| 59 | |
| 60 | /* |
| 61 | * Clean up client info links. |
| 62 | */ |
| 63 | while( tif->tif_clientinfo ) |
| 64 | { |
| 65 | TIFFClientInfoLink *link = tif->tif_clientinfo; |
| 66 | |
| 67 | tif->tif_clientinfo = link->next; |
| 68 | _TIFFfree( link->name ); |
| 69 | _TIFFfree( link ); |
| 70 | } |
| 71 | |
| 72 | if (tif->tif_rawdata && (tif->tif_flags&TIFF_MYBUFFER)) |
| 73 | _TIFFfree(tif->tif_rawdata); |
| 74 | if (isMapped(tif)) |
| 75 | TIFFUnmapFileContents(tif, tif->tif_base, (toff_t)tif->tif_size); |
| 76 | |
| 77 | /* |
| 78 | * Clean up custom fields. |
| 79 | */ |
| 80 | if (tif->tif_fields && tif->tif_nfields > 0) { |
| 81 | uint32 i; |
| 82 | |
| 83 | for (i = 0; i < tif->tif_nfields; i++) { |
| 84 | TIFFField *fld = tif->tif_fields[i]; |
| 85 | if (fld->field_bit == FIELD_CUSTOM && |
| 86 | strncmp("Tag ", fld->field_name, 4) == 0) { |
| 87 | _TIFFfree(fld->field_name); |
| 88 | _TIFFfree(fld); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | _TIFFfree(tif->tif_fields); |
| 93 | } |
| 94 | |
| 95 | if (tif->tif_nfieldscompat > 0) { |
| 96 | uint32 i; |
| 97 | |
| 98 | for (i = 0; i < tif->tif_nfieldscompat; i++) { |
| 99 | if (tif->tif_fieldscompat[i].allocated_size) |
| 100 | _TIFFfree(tif->tif_fieldscompat[i].fields); |
| 101 | } |
| 102 | _TIFFfree(tif->tif_fieldscompat); |
| 103 | } |
| 104 | |
| 105 | _TIFFfree(tif); |
| 106 | } |
| 107 | |
| 108 | /************************************************************************/ |
| 109 | /* TIFFClose() */ |
| 110 | /************************************************************************/ |
| 111 | |
| 112 | /** |
| 113 | * Close a previously opened TIFF file. |
| 114 | * |
| 115 | * TIFFClose closes a file that was previously opened with TIFFOpen(). |
| 116 | * Any buffered data are flushed to the file, including the contents of |
| 117 | * the current directory (if modified); and all resources are reclaimed. |
| 118 | * |
| 119 | * @param tif A TIFF pointer. |
| 120 | */ |
| 121 | |
| 122 | void |
| 123 | TIFFClose(TIFF* tif) |
| 124 | { |
| 125 | TIFFCloseProc closeproc = tif->tif_closeproc; |
| 126 | thandle_t fd = tif->tif_clientdata; |
| 127 | |
| 128 | TIFFCleanup(tif); |
| 129 | (void) (*closeproc)(fd); |
| 130 | } |
| 131 | |
| 132 | /* vim: set ts=8 sts=8 sw=8 noet: */ |
| 133 | |
| 134 | /* |
| 135 | * Local Variables: |
| 136 | * mode: c |
| 137 | * c-basic-offset: 8 |
| 138 | * fill-column: 78 |
| 139 | * End: |
| 140 | */ |
| 141 |