mirror of
https://github.com/jart/cosmopolitan.git
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f2af97711b
- Improve compatibility with Blink virtual machine - Add non-POSIX APIs for joining threads and signal masks - Never ever use anything except 32-bit integers for atomics - Add some `#undef` statements to workaround `ctags` problems
71 lines
2.9 KiB
C
71 lines
2.9 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/struct/flock.h"
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#include "libc/calls/struct/flock.internal.h"
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#include "libc/dce.h"
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#include "libc/intrin/asan.internal.h"
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#include "libc/intrin/describeflags.internal.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/sysv/consts/f.h"
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#ifdef DescribeFlock
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#undef DescribeFlock
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#endif
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#define N 300
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#define append(...) o += ksnprintf(buf + o, N - o, __VA_ARGS__)
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const char *DescribeFlock(char buf[N], int cmd, const struct flock *l) {
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int o = 0;
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if (!l) return "NULL";
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if ((!IsAsan() && kisdangerous(l)) ||
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(IsAsan() && !__asan_is_valid(l, sizeof(*l)))) {
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ksnprintf(buf, N, "%p", l);
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return buf;
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}
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append("{.l_type=%s", DescribeFlockType(l->l_type));
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if (l->l_whence) {
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append(", .l_whence=%s", DescribeWhence(l->l_whence));
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}
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if (l->l_start) {
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append(", .l_start=%#lx", l->l_start);
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}
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if (l->l_len) {
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append(", .l_len=%'ld", l->l_len);
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}
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if (l->l_pid && (cmd == F_GETLK || cmd == F_OFD_GETLK)) {
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append(", .l_pid=%d", l->l_pid);
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}
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if (IsFreebsd() && l->l_sysid) {
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append(", .l_sysid=%d", l->l_sysid);
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}
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append("}");
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return buf;
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}
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