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Annotation of embedaddon/php/ext/zip/lib/zip_get_file_extra.c, revision 1.1

1.1     ! misho       1: /*
        !             2:   zip_get_file_extra.c -- get file extra field
        !             3:   Copyright (C) 2006-2010 Dieter Baron and Thomas Klausner
        !             4: 
        !             5:   This file is part of libzip, a library to manipulate ZIP archives.
        !             6:   The authors can be contacted at <libzip@nih.at>
        !             7: 
        !             8:   Redistribution and use in source and binary forms, with or without
        !             9:   modification, are permitted provided that the following conditions
        !            10:   are met:
        !            11:   1. Redistributions of source code must retain the above copyright
        !            12:      notice, this list of conditions and the following disclaimer.
        !            13:   2. Redistributions in binary form must reproduce the above copyright
        !            14:      notice, this list of conditions and the following disclaimer in
        !            15:      the documentation and/or other materials provided with the
        !            16:      distribution.
        !            17:   3. The names of the authors may not be used to endorse or promote
        !            18:      products derived from this software without specific prior
        !            19:      written permission.
        !            20: 
        !            21:   THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
        !            22:   OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            23:   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
        !            25:   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
        !            27:   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        !            28:   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
        !            29:   IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
        !            30:   OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
        !            31:   IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            32: */
        !            33: 
        !            34: 
        !            35: 
        !            36: #include "zipint.h"
        !            37: 
        !            38: 
        !            39: 
        !            40: ZIP_EXTERN(const char *)
        !            41: zip_get_file_extra(struct zip *za, zip_uint64_t idx, int *lenp, int flags)
        !            42: {
        !            43:     if (idx >= za->nentry) {
        !            44:        _zip_error_set(&za->error, ZIP_ER_INVAL, 0);
        !            45:        return NULL;
        !            46:     }
        !            47: 
        !            48:     if ((flags & ZIP_FL_UNCHANGED)
        !            49:        || (za->entry[idx].ch_extra_len == -1)) {
        !            50:        if (lenp != NULL)
        !            51:            *lenp = za->cdir->entry[idx].extrafield_len;
        !            52:        return za->cdir->entry[idx].extrafield;
        !            53:     }
        !            54: 
        !            55:     if (lenp != NULL)
        !            56:        *lenp = za->entry[idx].ch_extra_len;
        !            57:     return za->entry[idx].ch_extra;
        !            58: }