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

1.1     ! misho       1: /*
        !             2:   zip_set_name.c -- rename helper function
        !             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 <stdlib.h>
        !            37: #include <string.h>
        !            38: 
        !            39: #include "zipint.h"
        !            40: 
        !            41: 
        !            42: 
        !            43: int
        !            44: _zip_set_name(struct zip *za, int idx, const char *name)
        !            45: {
        !            46:     char *s;
        !            47:     int i;
        !            48:     
        !            49:     if (idx < 0 || idx >= za->nentry || name == NULL) {
        !            50:        _zip_error_set(&za->error, ZIP_ER_INVAL, 0);
        !            51:        return -1;
        !            52:     }
        !            53: 
        !            54:     if ((i=_zip_name_locate(za, name, 0, NULL)) != -1 && i != idx) {
        !            55:        _zip_error_set(&za->error, ZIP_ER_EXISTS, 0);
        !            56:        return -1;
        !            57:     }
        !            58: 
        !            59:     /* no effective name change */
        !            60:     if (i == idx)
        !            61:        return 0;
        !            62:     
        !            63:     if ((s=strdup(name)) == NULL) {
        !            64:        _zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
        !            65:        return -1;
        !            66:     }
        !            67:     
        !            68:     if (za->entry[idx].state == ZIP_ST_UNCHANGED) 
        !            69:        za->entry[idx].state = ZIP_ST_RENAMED;
        !            70: 
        !            71:     free(za->entry[idx].ch_filename);
        !            72:     za->entry[idx].ch_filename = s;
        !            73: 
        !            74:     return 0;
        !            75: }