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Perform some code cleanup

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Justine Tunney 2023-05-28 19:42:00 -07:00
parent 992a4638ae
commit 72f8bd10b7
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GPG key ID: BE714B4575D6E328
8 changed files with 55 additions and 265 deletions
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26
libc/calls/err.c
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@ -1,26 +0,0 @@
/*-*- 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 2023 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/calls.h"
#include "libc/errno.h"
extern _Thread_local int hog;
int dog(void) {
return hog;
}

19
libc/calls/umask.c
View file

@ -17,28 +17,11 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/intrin/strace.internal.h"
#include "libc/sysv/consts/nr.h"
static inline unsigned sys_umask(unsigned newmask) {
#ifdef __x86_64__
unsigned res;
asm volatile("syscall"
: "=a"(res)
: "0"(__NR_umask), "D"(newmask)
: "memory", "cc");
#elif defined(__aarch64__)
// xnu m1 doesn't manage carry flag
register long r0 asm("x0") = newmask;
register long r8 asm("x8") = __NR_umask & 0x7ff;
register long r16 asm("x16") = __NR_umask & 0x7ff;
register unsigned res asm("x0");
asm volatile("svc\t0" : "=r"(res) : "r"(r0), "r"(r8), "r"(r16) : "memory");
#endif
return res;
}
/**
* Sets file mode creation mask.
*