diff options
Diffstat (limited to 'src/Common/libzip/zip_stat_index.c')
| -rw-r--r-- | src/Common/libzip/zip_stat_index.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/Common/libzip/zip_stat_index.c b/src/Common/libzip/zip_stat_index.c new file mode 100644 index 00000000..601e3f70 --- /dev/null +++ b/src/Common/libzip/zip_stat_index.c @@ -0,0 +1,86 @@ +/* + zip_stat_index.c -- get information about file by index + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.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 "zipint.h" + + +ZIP_EXTERN int +zip_stat_index(zip_t *za, zip_uint64_t index, zip_flags_t flags, + zip_stat_t *st) +{ + const char *name; + zip_dirent_t *de; + + if ((de=_zip_get_dirent(za, index, flags, NULL)) == NULL) + 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 (zip_source_stat(za->entry[index].source, st) < 0) { + zip_error_set(&za->error, ZIP_ER_CHANGED, 0); + return -1; + } + } + else { + zip_stat_init(st); + + st->crc = de->crc; + st->size = de->uncomp_size; + st->mtime = de->last_mod; + st->comp_size = de->comp_size; + st->comp_method = (zip_uint16_t)de->comp_method; + if (de->bitflags & ZIP_GPBF_ENCRYPTED) { + if (de->bitflags & ZIP_GPBF_STRONG_ENCRYPTION) { + /* TODO */ + st->encryption_method = ZIP_EM_UNKNOWN; + } + else + st->encryption_method = ZIP_EM_TRAD_PKWARE; + } + else + st->encryption_method = ZIP_EM_NONE; + st->valid = ZIP_STAT_CRC|ZIP_STAT_SIZE|ZIP_STAT_MTIME + |ZIP_STAT_COMP_SIZE|ZIP_STAT_COMP_METHOD|ZIP_STAT_ENCRYPTION_METHOD; + } + + st->index = index; + st->name = name; + st->valid |= ZIP_STAT_INDEX|ZIP_STAT_NAME; + + return 0; +} |