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-rw-r--r--src/Common/libzip/zip_source_open.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/Common/libzip/zip_source_open.c b/src/Common/libzip/zip_source_open.c
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index 00000000..ec5e39d5
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+++ b/src/Common/libzip/zip_source_open.c
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+/*
+ zip_source_open.c -- open zip_source (prepare for reading)
+ Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner
+
+ This file is part of libzip, a library to manipulate ZIP archives.
+ The authors can be contacted at <libzip@nih.at>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ 3. The names of the authors may not be used to endorse or promote
+ products derived from this software without specific prior
+ written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+ OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include "zipint.h"
+
+ZIP_EXTERN int
+zip_source_open(zip_source_t *src)
+{
+ if (src->source_closed) {
+ return -1;
+ }
+ if (src->write_state == ZIP_SOURCE_WRITE_REMOVED) {
+ zip_error_set(&src->error, ZIP_ER_DELETED, 0);
+ return -1;
+ }
+
+ if (ZIP_SOURCE_IS_OPEN_READING(src)) {
+ if ((zip_source_supports(src) & ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_SEEK)) == 0) {
+ zip_error_set(&src->error, ZIP_ER_INUSE, 0);
+ return -1;
+ }
+ }
+ else {
+ if (ZIP_SOURCE_IS_LAYERED(src)) {
+ if (zip_source_open(src->src) < 0) {
+ _zip_error_set_from_source(&src->error, src->src);
+ return -1;
+ }
+ }
+
+ if (_zip_source_call(src, NULL, 0, ZIP_SOURCE_OPEN) < 0) {
+ if (ZIP_SOURCE_IS_LAYERED(src)) {
+ zip_source_close(src->src);
+ }
+ return -1;
+ }
+ }
+
+ src->open_count++;
+
+ return 0;
+}