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

1.1       misho       1: /*
                      2:   zip_set_archive_comment.c -- set archive comment
1.1.1.2 ! misho       3:   Copyright (C) 2006-2009 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 <stdlib.h>
                     37: 
                     38: #include "zipint.h"
                     39: 
                     40: 
                     41: 
                     42: ZIP_EXTERN(int)
                     43: zip_set_archive_comment(struct zip *za, const char *comment, int len)
                     44: {
                     45:     char *tmpcom;
                     46: 
                     47:     if (len < 0 || len > MAXCOMLEN
                     48:        || (len > 0 && comment == NULL)) {
                     49:        _zip_error_set(&za->error, ZIP_ER_INVAL, 0);
                     50:        return -1;
                     51:     }
                     52: 
1.1.1.2 ! misho      53:     if (ZIP_IS_RDONLY(za)) {
        !            54:        _zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
        !            55:        return -1;
        !            56:     }
        !            57: 
1.1       misho      58:     if (len > 0) {
                     59:        if ((tmpcom=(char *)_zip_memdup(comment, len, &za->error)) == NULL)
                     60:            return -1;
                     61:     }
                     62:     else
                     63:        tmpcom = NULL;
                     64: 
                     65:     free(za->ch_comment);
                     66:     za->ch_comment = tmpcom;
                     67:     za->ch_comment_len = len;
                     68:     
                     69:     return 0;
                     70: }