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Annotation of embedaddon/php/ext/zip/lib/zip_stat_index.c, revision 1.1.1.1

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: }