Mercurial > embed
diff libzip/lib/zip_source_remove.c @ 4:2306f4b04790
libzip: import 1.1.2
author | David Demelier <markand@malikania.fr> |
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date | Wed, 24 Feb 2016 21:19:28 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_remove.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,61 @@ +/* + zip_source_remove.c -- remove empty archive + 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" + + +int +zip_source_remove(zip_source_t *src) +{ + if (src->write_state == ZIP_SOURCE_WRITE_REMOVED) { + return 0; + } + + if (ZIP_SOURCE_IS_OPEN_READING(src)) { + if (zip_source_close(src) < 0) { + return -1; + } + } + if (src->write_state != ZIP_SOURCE_WRITE_CLOSED) { + zip_source_rollback_write(src); + } + + if (_zip_source_call(src, NULL, 0, ZIP_SOURCE_REMOVE) < 0) { + return -1; + } + + src->write_state = ZIP_SOURCE_WRITE_REMOVED; + + return 0; +}