diff options
Diffstat (limited to 'ext/zip/lib/zip_stat_index.c')
| -rw-r--r-- | ext/zip/lib/zip_stat_index.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/ext/zip/lib/zip_stat_index.c b/ext/zip/lib/zip_stat_index.c new file mode 100644 index 000000000..837d63907 --- /dev/null +++ b/ext/zip/lib/zip_stat_index.c @@ -0,0 +1,93 @@ +/* + $NiH: zip_stat_index.c,v 1.10 2006/04/24 14:04:19 dillo Exp $ + + zip_stat_index.c -- get information about file by index + Copyright (C) 1999, 2003, 2004 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <nih@giga.or.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + + +#include "zip.h" +#include "zipint.h" + + + +int +zip_stat_index(struct zip *za, int index, int flags, struct zip_stat *st) +{ + const char *name; + + if (index < 0 || index >= za->nentry) { + _zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if ((name=zip_get_name(za, index, flags)) == NULL) + return -1; + + + if ((flags & ZIP_FL_UNCHANGED) == 0 + && ZIP_ENTRY_DATA_CHANGED(za->entry+index)) { + if (za->entry[index].source->f(za->entry[index].source->ud, + st, sizeof(*st), ZIP_SOURCE_STAT) < 0) { + _zip_error_set(&za->error, ZIP_ER_CHANGED, 0); + return -1; + } + } + else { + if (za->cdir == NULL || index >= za->cdir->nentry) { + _zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + st->index = index; + st->crc = za->cdir->entry[index].crc; + st->size = za->cdir->entry[index].uncomp_size; + st->mtime = za->cdir->entry[index].last_mod; + st->comp_size = za->cdir->entry[index].comp_size; + st->comp_method = za->cdir->entry[index].comp_method; + if (za->cdir->entry[index].bitflags & ZIP_GPBF_ENCRYPTED) { + if (za->cdir->entry[index].bitflags & ZIP_GPBF_STRONG_ENCRYPTION) { + /* XXX */ + st->encryption_method = ZIP_EM_UNKNOWN; + } + else + st->encryption_method = ZIP_EM_TRAD_PKWARE; + } + else + st->encryption_method = ZIP_EM_NONE; + /* st->bitflags = za->cdir->entry[index].bitflags; */ + } + + st->name = name; + + return 0; +} |