mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-28 15:28:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Initial import

Browse source
This commit is contained in:
Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
14915 changed files with 590219 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

40
libc/zipos/find.c Normal file
View file

@ -0,0 +1,40 @@
/*-*- 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 "ape/relocations.h"
#include "libc/assert.h"
#include "libc/runtime/rbx.h"
#include "libc/runtime/runtime.h"
#include "libc/str/str.h"
#include "libc/zip.h"
#include "libc/zipos/zipos.h"
ssize_t __zipos_find(const struct ZiposUri *name) {
size_t i, cf;
assert(ZIP_CDIR_MAGIC(__zip_end) == kZipCdirHdrMagic);
for (i = 0, cf = ZIP_CDIR_OFFSET(__zip_end); i < ZIP_CDIR_RECORDS(__zip_end);
++i, cf += ZIP_CFILE_HDRSIZE(&_base[0] + cf)) {
assert(ZIP_CFILE_MAGIC(&_base[0] + cf) == kZipCfileHdrMagic);
if (name->len == ZIP_CFILE_NAMESIZE(&_base[0] + cf) &&
memcmp(name->path, ZIP_CFILE_NAME(&_base[0] + cf), name->len) == 0) {
return cf;
}
}
return -1;
}