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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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libc/calls/fixntmagicpath.ncabi.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 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/calls/internal.h"
#include "libc/calls/ntmagicpaths.h"
#include "libc/nexgen32e/tinystrcmp.h"
#include "libc/sysv/consts/o.h"
textwindows const char *(fixntmagicpath)(const char *path, unsigned flags) {
const struct NtMagicPaths *mp = &kNtMagicPaths;
asm("" : "+r"(mp));
if (path[0] != '/') return path;
if (tinystrcmp(path, mp->devtty) == 0) {
if ((flags & O_ACCMODE) == O_RDONLY) {
return mp->conin;
} else if ((flags & O_ACCMODE) == O_WRONLY) {
return mp->conout;
}
}
if (tinystrcmp(path, mp->devnull) == 0) return mp->nul;
if (tinystrcmp(path, mp->devstdin) == 0) return mp->conin;
if (tinystrcmp(path, mp->devstdout) == 0) return mp->conout;
return path;
}