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

1.1       misho       1: /*
                      2:   zip_name_locate.c -- get index by name
                      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 <string.h>
                     37: 
                     38: #include "zipint.h"
                     39: 
                     40: 
                     41: 
                     42: ZIP_EXTERN(int)
                     43: zip_name_locate(struct zip *za, const char *fname, int flags)
                     44: {
                     45:     return _zip_name_locate(za, fname, flags, &za->error);
                     46: }
                     47: 
                     48: 
                     49: 
                     50: int
                     51: _zip_name_locate(struct zip *za, const char *fname, int flags,
                     52:                 struct zip_error *error)
                     53: {
                     54:     int (*cmp)(const char *, const char *);
                     55:     const char *fn, *p;
                     56:     int i, n;
                     57: 
                     58:     if (fname == NULL) {
                     59:        _zip_error_set(error, ZIP_ER_INVAL, 0);
                     60:        return -1;
                     61:     }
                     62: 
                     63:     if((flags & ZIP_FL_UNCHANGED)  && !za->cdir) {
                     64:        return -1;
                     65:     }
                     66: 
                     67:     cmp = (flags & ZIP_FL_NOCASE) ? strcmpi : strcmp;
                     68: 
                     69:     n = (flags & ZIP_FL_UNCHANGED) ? za->cdir->nentry : za->nentry;
                     70:     for (i=0; i<n; i++) {
                     71:        if (flags & ZIP_FL_UNCHANGED)
                     72:            fn = za->cdir->entry[i].filename;
                     73:        else
                     74:            fn = _zip_get_name(za, i, flags, error);
                     75: 
                     76:        /* newly added (partially filled) entry */
                     77:        if (fn == NULL)
                     78:            continue;
                     79: 
                     80:        if (flags & ZIP_FL_NODIR) {
                     81:            p = strrchr(fn, '/');
                     82:            if (p)
                     83:                fn = p+1;
                     84:        }
                     85: 
                     86:        if (cmp(fname, fn) == 0)
                     87:            return i;
                     88:     }
                     89: 
                     90: /* Look for an entry should not raise an error  */
                     91: /*    _zip_error_set(error, ZIP_ER_NOENT, 0);*/
                     92:     return -1;
                     93: }