1 /* $Id: tif_close.c,v 1.21 2016-01-23 21:20:34 erouault 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 * completely 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 *psLink = tif->tif_clientinfo; 66 67 tif->tif_clientinfo = psLink->next; 68 _TIFFfree( psLink->name ); 69 _TIFFfree( psLink ); 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