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1 /* |
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2 zip_source_close.c -- close zip_source (stop reading) |
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3 Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner |
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4 |
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5 This file is part of libzip, a library to manipulate ZIP archives. |
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6 The authors can be contacted at <libzip@nih.at> |
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7 |
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8 Redistribution and use in source and binary forms, with or without |
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9 modification, are permitted provided that the following conditions |
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10 are met: |
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11 1. Redistributions of source code must retain the above copyright |
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12 notice, this list of conditions and the following disclaimer. |
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13 2. Redistributions in binary form must reproduce the above copyright |
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14 notice, this list of conditions and the following disclaimer in |
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15 the documentation and/or other materials provided with the |
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16 distribution. |
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17 3. The names of the authors may not be used to endorse or promote |
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18 products derived from this software without specific prior |
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19 written permission. |
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20 |
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21 THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS |
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22 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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23 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY |
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25 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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26 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
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27 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
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29 IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
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30 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
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31 IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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32 */ |
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33 |
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34 |
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35 #include "zipint.h" |
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36 |
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37 |
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38 int |
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39 zip_source_close(zip_source_t *src) |
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40 { |
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41 if (!ZIP_SOURCE_IS_OPEN_READING(src)) { |
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42 zip_error_set(&src->error, ZIP_ER_INVAL, 0); |
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43 return -1; |
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44 } |
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45 |
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46 src->open_count--; |
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47 if (src->open_count == 0) { |
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48 _zip_source_call(src, NULL, 0, ZIP_SOURCE_CLOSE); |
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49 |
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50 if (ZIP_SOURCE_IS_LAYERED(src)) { |
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51 if (zip_source_close(src->src) < 0) { |
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52 zip_error_set(&src->error, ZIP_ER_INTERNAL, 0); |
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53 } |
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54 } |
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55 } |
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56 |
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57 return 0; |
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58 } |
