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64 lines
2.8 KiB
C
64 lines
2.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 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/atomic.h"
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#include "libc/ctype.h"
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#include "libc/fmt/itoa.h"
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#include "libc/fmt/magnumstrs.internal.h"
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#include "libc/intrin/atomic.h"
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#include "libc/str/str.h"
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#define STRS 4
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#define BYTES 128
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static atomic_uint bufi;
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static char bufs[STRS][BYTES];
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char *testlib_formatint(intptr_t x) {
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int i = atomic_fetch_add(&bufi, 1) % STRS;
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char *p = bufs[i];
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p = FormatInt64(p, x);
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p = stpcpy(p, " (or ");
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p = FormatHex64(p, x, 1);
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if (0 <= x && x <= 255) {
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p = stpcpy(p, " or '");
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if (!isascii(x) || iscntrl(x)) {
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*p++ = '\\';
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if (x > 7) {
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if (x > 070) {
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*p++ = '0' + ((x & 0700) >> 6);
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}
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*p++ = '0' + ((x & 070) >> 3);
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}
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*p++ = '0' + (x & 7);
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} else if (x == '\\' || x == '\'') {
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*p++ = '\\';
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*p++ = x;
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} else {
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*p++ = x;
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}
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*p++ = '\'';
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}
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if (_strerrno(x)) {
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p = stpcpy(p, " or ");
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p = stpcpy(p, _strerrno(x));
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}
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*p++ = ')';
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*p++ = '\0';
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return bufs[i];
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}
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