1 files changed, 74 insertions, 0 deletions
diff --git a/src/Common/libzip/zip_file_set_mtime.c b/src/Common/libzip/zip_file_set_mtime.c
new file mode 100644
index 00000000..0cdd31a6
--- /dev/null
+++ b/src/Common/libzip/zip_file_set_mtime.c
@@ -0,0 +1,74 @@
+/*
+ zip_file_set_mtime.c -- set modification time of entry.
+ Copyright (C) 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_file_set_mtime(zip_t *za, zip_uint64_t idx, time_t mtime, zip_flags_t flags)
+{
+    zip_entry_t *e;
+    int changed;
+    
+    if (_zip_get_dirent(za, idx, 0, NULL) == NULL)
+        return -1;
+    
+    if (ZIP_IS_RDONLY(za)) {
+        zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
+        return -1;
+    }
+    
+    e = za->entry+idx;
+
+    changed = e->orig == NULL || mtime != e->orig->last_mod;
+    
+    if (changed) {
+        if (e->changes == NULL) {
+            if ((e->changes=_zip_dirent_clone(e->orig)) == NULL) {
+                zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
+                return -1;
+            }
+        }
+        e->changes->last_mod = mtime;
+        e->changes->changed |= ZIP_DIRENT_LAST_MOD;
+    }
+    else {
+        if (e->changes) {
+            e->changes->changed &= ~ZIP_DIRENT_LAST_MOD;
+            if (e->changes->changed == 0) {
+		_zip_dirent_free(e->changes);
+                e->changes = NULL;
+            }
+        }
+    }
+    
+    return 0;
+}