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Annotation of embedaddon/php/ext/zip/lib/zip_stat_index.c, revision 1.1.1.2

1.1       misho       1: /*
                      2:   zip_stat_index.c -- get information about file by index
1.1.1.2 ! misho       3:   Copyright (C) 1999-2009 Dieter Baron and Thomas Klausner
1.1       misho       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)
1.1.1.2 ! misho      41: zip_stat_index(struct zip *za, zip_uint64_t index, int flags,
        !            42:               struct zip_stat *st)
1.1       misho      43: {
                     44:     const char *name;
                     45:     
1.1.1.2 ! misho      46:     if (index >= za->nentry) {
1.1       misho      47:        _zip_error_set(&za->error, ZIP_ER_INVAL, 0);
                     48:        return -1;
                     49:     }
                     50: 
                     51:     if ((name=zip_get_name(za, index, flags)) == NULL)
                     52:        return -1;
                     53:     
                     54: 
                     55:     if ((flags & ZIP_FL_UNCHANGED) == 0
                     56:        && ZIP_ENTRY_DATA_CHANGED(za->entry+index)) {
1.1.1.2 ! misho      57:        if (zip_source_stat(za->entry[index].source, st) < 0) {
1.1       misho      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:        }
1.1.1.2 ! misho      67: 
        !            68:        zip_stat_init(st);
        !            69: 
1.1       misho      70:        st->crc = za->cdir->entry[index].crc;
                     71:        st->size = za->cdir->entry[index].uncomp_size;
                     72:        st->mtime = za->cdir->entry[index].last_mod;
                     73:        st->comp_size = za->cdir->entry[index].comp_size;
                     74:        st->comp_method = za->cdir->entry[index].comp_method;
                     75:        if (za->cdir->entry[index].bitflags & ZIP_GPBF_ENCRYPTED) {
                     76:            if (za->cdir->entry[index].bitflags & ZIP_GPBF_STRONG_ENCRYPTION) {
                     77:                /* XXX */
                     78:                st->encryption_method = ZIP_EM_UNKNOWN;
                     79:            }
                     80:            else
                     81:                st->encryption_method = ZIP_EM_TRAD_PKWARE;
                     82:        }
                     83:        else
                     84:            st->encryption_method = ZIP_EM_NONE;
1.1.1.2 ! misho      85:        st->valid = ZIP_STAT_CRC|ZIP_STAT_SIZE|ZIP_STAT_MTIME
        !            86:            |ZIP_STAT_COMP_SIZE|ZIP_STAT_COMP_METHOD|ZIP_STAT_ENCRYPTION_METHOD;
1.1       misho      87:     }
                     88: 
                     89:     st->index = index;
                     90:     st->name = name;
1.1.1.2 ! misho      91:     st->valid |= ZIP_STAT_INDEX|ZIP_STAT_NAME;
1.1       misho      92:     
                     93:     return 0;
                     94: }