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6f658f058b
We defined `noinline` as an abbreviation for the longer version `__attribute__((__noinline__))` which caused name clashes since third party codebases often write it as `__attribute__((noinline))`.
53 lines
2.5 KiB
C
53 lines
2.5 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/fmt/itoa.h"
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/**
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* Converts unsigned 64-bit integer to string w/ commas.
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*
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* @param p needs at least 21 bytes
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* @return pointer to nul byte
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*/
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dontinline char *FormatUint64Thousands(char p[static 27], uint64_t x) {
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size_t i;
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char m[26];
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i = 0;
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do {
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m[i++] = x % 10 + '0';
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x = x / 10;
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} while (x);
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for (;;) {
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*p++ = m[--i];
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if (!i) break;
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if (!(i % 3)) *p++ = ',';
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}
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*p = '\0';
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return p;
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}
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/**
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* Converts 64-bit integer to string w/ commas.
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*
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* @param p needs at least 21 bytes
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* @return pointer to nul byte
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*/
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char *FormatInt64Thousands(char p[static 27], int64_t x) {
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if (x < 0) *p++ = '-', x = -(uint64_t)x;
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return FormatUint64Thousands(p, x);
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}
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