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

1.1     ! misho       1: /*
        !             2:   zip_stat_index.c -- get information about file by index
        !             3:   Copyright (C) 1999-2007 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(int)
        !            41: zip_stat_index(struct zip *za, int index, int flags, struct zip_stat *st)
        !            42: {
        !            43:     const char *name;
        !            44:     
        !            45:     if (index < 0 || index >= za->nentry) {
        !            46:        _zip_error_set(&za->error, ZIP_ER_INVAL, 0);
        !            47:        return -1;
        !            48:     }
        !            49: 
        !            50:     if ((name=zip_get_name(za, index, flags)) == NULL)
        !            51:        return -1;
        !            52:     
        !            53: 
        !            54:     if ((flags & ZIP_FL_UNCHANGED) == 0
        !            55:        && ZIP_ENTRY_DATA_CHANGED(za->entry+index)) {
        !            56:        if (za->entry[index].source->f(za->entry[index].source->ud,
        !            57:                                     st, sizeof(*st), ZIP_SOURCE_STAT) < 0) {
        !            58:            _zip_error_set(&za->error, ZIP_ER_CHANGED, 0);
        !            59:            return -1;
        !            60:        }
        !            61:     }
        !            62:     else {
        !            63:        if (za->cdir == NULL || index >= za->cdir->nentry) {
        !            64:            _zip_error_set(&za->error, ZIP_ER_INVAL, 0);
        !            65:            return -1;
        !            66:        }
        !            67:        
        !            68:        st->crc = za->cdir->entry[index].crc;
        !            69:        st->size = za->cdir->entry[index].uncomp_size;
        !            70:        st->mtime = za->cdir->entry[index].last_mod;
        !            71:        st->comp_size = za->cdir->entry[index].comp_size;
        !            72:        st->comp_method = za->cdir->entry[index].comp_method;
        !            73:        if (za->cdir->entry[index].bitflags & ZIP_GPBF_ENCRYPTED) {
        !            74:            if (za->cdir->entry[index].bitflags & ZIP_GPBF_STRONG_ENCRYPTION) {
        !            75:                /* XXX */
        !            76:                st->encryption_method = ZIP_EM_UNKNOWN;
        !            77:            }
        !            78:            else
        !            79:                st->encryption_method = ZIP_EM_TRAD_PKWARE;
        !            80:        }
        !            81:        else
        !            82:            st->encryption_method = ZIP_EM_NONE;
        !            83:        /* st->bitflags = za->cdir->entry[index].bitflags; */
        !            84:     }
        !            85: 
        !            86:     st->index = index;
        !            87:     st->name = name;
        !            88:     
        !            89:     return 0;
        !            90: }