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

1.1     ! misho       1: /*
        !             2:   zip_fdopen.c -- open read-only archive from file descriptor
        !             3:   Copyright (C) 2009-2010 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 "zipint.h"
        !            37: 
        !            38: 
        !            39: 
        !            40: ZIP_EXTERN(struct zip *)
        !            41: zip_fdopen(int fd_orig, int flags, int *zep)
        !            42: {
        !            43:     int fd;
        !            44:     FILE *fp;
        !            45: 
        !            46:     /* We dup() here to avoid messing with the passed in fd.
        !            47:        We could not restore it to the original state in case of error. */
        !            48: 
        !            49:     if ((fd=dup(fd_orig)) < 0) {
        !            50:        *zep = ZIP_ER_OPEN;
        !            51:        return NULL;
        !            52:     }
        !            53: 
        !            54:     if ((fp=fdopen(fd, "rb")) == NULL) {
        !            55:        close(fd);
        !            56:        *zep = ZIP_ER_OPEN;
        !            57:        return NULL;
        !            58:     }
        !            59: 
        !            60:     close(fd_orig);
        !            61:     return _zip_open(NULL, fp, flags, ZIP_AFL_RDONLY, zep);
        !            62: }