cosmopolitan/libc/zipos/stat-impl.c

44 lines
2.6 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/safemacros.internal.h"
#include "libc/calls/calls.h"
#include "libc/calls/struct/stat.h"
#include "libc/str/str.h"
#include "libc/sysv/errfuns.h"
#include "libc/zip.h"
#include "libc/zipos/zipos.internal.h"
int __zipos_stat_impl(struct Zipos *zipos, size_t cf, struct stat *st) {
if (zipos && st) {
memset(st, 0, sizeof(*st));
if (ZIP_CFILE_FILEATTRCOMPAT(zipos->map + cf) == kZipOsUnix) {
st->st_mode = ZIP_CFILE_EXTERNALATTRIBUTES(zipos->map + cf) >> 16;
} else {
st->st_mode = 0100644;
}
st->st_size = ZIP_CFILE_UNCOMPRESSEDSIZE(zipos->map + cf);
st->st_blocks =
roundup(ZIP_CFILE_COMPRESSEDSIZE(zipos->map + cf), 512) / 512;
return 0;
} else {
return einval();
}
}