cosmopolitan/libc/intrin/describeiovnt.c
2024-07-19 19:38:00 -07:00

40 lines
2.4 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et 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/dce.h"
#include "libc/intrin/describeflags.h"
#include "libc/intrin/kprintf.h"
#include "libc/macros.internal.h"
#include "libc/nt/winsock.h"
void DescribeIovNt(const struct NtIovec *iov, uint32_t iovlen, ssize_t rem) {
int i;
if (kisdangerous(iov)) {
kprintf("%p", iov);
return;
}
kprintf("{");
for (i = 0; rem && i < MIN(5, iovlen); ++i) {
kprintf("%s{%#.*hhs%s, %'zu}", i ? ", " : "",
MAX(0, MIN(40, MIN(rem, iov[i].len))), iov[i].buf,
MAX(0, MIN(40, MIN(rem, iov[i].len))) < iov[i].len ? "..." : "",
iov[i].len);
rem -= iov[i].len;
}
kprintf("%s}", iovlen > 5 ? "..." : "");
}