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| 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 | |
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Chromium Code Reviews
Issue 1563103002:
XFA: Upgrade to libtiff 4.0.6. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@xfa