diff libzip/lib/zip_stat_index.c @ 20:3b18afe43c9d

libzip: reimport version 1.1.3
author David Demelier <markand@malikania.fr>
date Wed, 29 Jun 2016 09:24:55 +0200
parents 2306f4b04790
children 056ee6b5913e
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libzip/lib/zip_stat_index.c	Wed Jun 29 09:24:55 2016 +0200
@@ -0,0 +1,86 @@
+/*
+  zip_stat_index.c -- get information about file by index
+  Copyright (C) 1999-2014 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_stat_index(zip_t *za, zip_uint64_t index, zip_flags_t flags,
+	       zip_stat_t *st)
+{
+    const char *name;
+    zip_dirent_t *de;
+
+    if ((de=_zip_get_dirent(za, index, flags, NULL)) == NULL)
+	return -1;
+
+    if ((name=zip_get_name(za, index, flags)) == NULL)
+	return -1;
+    
+
+    if ((flags & ZIP_FL_UNCHANGED) == 0
+	&& ZIP_ENTRY_DATA_CHANGED(za->entry+index)) {
+	if (zip_source_stat(za->entry[index].source, st) < 0) {
+	    zip_error_set(&za->error, ZIP_ER_CHANGED, 0);
+	    return -1;
+	}
+    }
+    else {
+	zip_stat_init(st);
+
+	st->crc = de->crc;
+	st->size = de->uncomp_size;
+	st->mtime = de->last_mod;
+	st->comp_size = de->comp_size;
+	st->comp_method = (zip_uint16_t)de->comp_method;
+	if (de->bitflags & ZIP_GPBF_ENCRYPTED) {
+	    if (de->bitflags & ZIP_GPBF_STRONG_ENCRYPTION) {
+		/* TODO */
+		st->encryption_method = ZIP_EM_UNKNOWN;
+	    }
+	    else
+		st->encryption_method = ZIP_EM_TRAD_PKWARE;
+	}
+	else
+	    st->encryption_method = ZIP_EM_NONE;
+	st->valid = ZIP_STAT_CRC|ZIP_STAT_SIZE|ZIP_STAT_MTIME
+	    |ZIP_STAT_COMP_SIZE|ZIP_STAT_COMP_METHOD|ZIP_STAT_ENCRYPTION_METHOD;
+    }
+
+    st->index = index;
+    st->name = name;
+    st->valid |= ZIP_STAT_INDEX|ZIP_STAT_NAME;
+    
+    return 0;
+}