1 files changed, 77 insertions, 0 deletions
diff --git a/ext/zip/lib/zip_set_name.c b/ext/zip/lib/zip_set_name.c
new file mode 100644
index 0000000000..46dca56466
--- /dev/null
+++ b/ext/zip/lib/zip_set_name.c
@@ -0,0 +1,77 @@
+/*
+  $NiH: zip_set_name.c,v 1.16 2004/11/30 23:02:47 wiz Exp $
+
+  zip_set_name.c -- rename helper function
+  Copyright (C) 1999, 2003, 2004 Dieter Baron and Thomas Klausner
+
+  This file is part of libzip, a library to manipulate ZIP archives.
+  The authors can be contacted at <nih@giga.or.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 <stdlib.h>
+#include <string.h>
+#include "zip.h"
+#include "zipint.h"
+
+
+
+int
+_zip_set_name(struct zip *za, int idx, const char *name)
+{
+    char *s;
+    int i;
+    
+    if (idx < 0 || idx >= za->nentry || name == NULL) {
+	_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
+	return -1;
+    }
+
+    if ((i=_zip_name_locate(za, name, 0, NULL)) != -1 && i != idx) {
+	_zip_error_set(&za->error, ZIP_ER_EXISTS, 0);
+	return -1;
+    }
+
+    /* no effective name change */
+    if (i == idx)
+	return 0;
+    
+    if ((s=strdup(name)) == NULL) {
+	_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
+	return -1;
+    }
+    
+    if (za->entry[idx].state == ZIP_ST_UNCHANGED) 
+	za->entry[idx].state = ZIP_ST_RENAMED;
+
+    free(za->entry[idx].ch_filename);
+    za->entry[idx].ch_filename = s;
+
+    return 0;
+}