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php5  5.3.10
zip_set_name.c
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00001 /*
00002   zip_set_name.c -- rename helper function
00003   Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
00004 
00005   This file is part of libzip, a library to manipulate ZIP archives.
00006   The authors can be contacted at <libzip@nih.at>
00007 
00008   Redistribution and use in source and binary forms, with or without
00009   modification, are permitted provided that the following conditions
00010   are met:
00011   1. Redistributions of source code must retain the above copyright
00012      notice, this list of conditions and the following disclaimer.
00013   2. Redistributions in binary form must reproduce the above copyright
00014      notice, this list of conditions and the following disclaimer in
00015      the documentation and/or other materials provided with the
00016      distribution.
00017   3. The names of the authors may not be used to endorse or promote
00018      products derived from this software without specific prior
00019      written permission.
00020  
00021   THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
00022   OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00023   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00024   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
00025   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00026   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
00027   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00028   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
00029   IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
00030   OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
00031   IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00032 */
00033 
00034 
00035 
00036 #include <stdlib.h>
00037 #include <string.h>
00038 
00039 #include "zipint.h"
00040 
00041 
00042 
00043 int
00044 _zip_set_name(struct zip *za, int idx, const char *name)
00045 {
00046     char *s;
00047     int i;
00048     
00049     if (idx < 0 || idx >= za->nentry || name == NULL) {
00050        _zip_error_set(&za->error, ZIP_ER_INVAL, 0);
00051        return -1;
00052     }
00053 
00054     if ((i=_zip_name_locate(za, name, 0, NULL)) != -1 && i != idx) {
00055        _zip_error_set(&za->error, ZIP_ER_EXISTS, 0);
00056        return -1;
00057     }
00058 
00059     /* no effective name change */
00060     if (i == idx)
00061        return 0;
00062     
00063     if ((s=strdup(name)) == NULL) {
00064        _zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
00065        return -1;
00066     }
00067     
00068     if (za->entry[idx].state == ZIP_ST_UNCHANGED) 
00069        za->entry[idx].state = ZIP_ST_RENAMED;
00070 
00071     free(za->entry[idx].ch_filename);
00072     za->entry[idx].ch_filename = s;
00073 
00074     return 0;
00075 }