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Polyfill statfs() and fstatfs() on Windows

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Justine Tunney 2022-08-17 18:57:03 -07:00
parent f7ee9d7d99
commit c2211c9e63
16 changed files with 370 additions and 50 deletions
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44
libc/calls/statfs-nt.c Normal file
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/*-*- 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 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/state.internal.h"
#include "libc/calls/struct/statfs.internal.h"
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/nt/createfile.h"
#include "libc/nt/enum/accessmask.h"
#include "libc/nt/enum/creationdisposition.h"
#include "libc/nt/enum/fileflagandattributes.h"
#include "libc/nt/enum/filesharemode.h"
#include "libc/nt/runtime.h"
textwindows int sys_statfs_nt(const char *path, struct statfs *sf) {
int rc;
int64_t h;
char16_t path16[PATH_MAX];
if (__mkntpath(path, path16) == -1) return -1;
h = __fix_enotdir(
CreateFile(path16, kNtFileGenericRead,
kNtFileShareRead | kNtFileShareWrite | kNtFileShareDelete,
&kNtIsInheritable, kNtOpenExisting,
kNtFileAttributeNormal | kNtFileFlagBackupSemantics, 0),
path16);
if (h == -1) return -1;
rc = sys_fstatfs_nt(h, sf);
CloseHandle(h);
return rc;
}