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https://github.com/jart/cosmopolitan.git
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41 lines
2.2 KiB
C
41 lines
2.2 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 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/mem/reverse.internal.h"
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#include "libc/fmt/conv.h"
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#include "libc/fmt/itoa.h"
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dontinline size_t uint64toarray(uint64_t i, char *a, int r) {
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size_t j;
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j = 0;
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do {
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a[j++] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i % r];
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i /= r;
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} while (i > 0);
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a[j] = '\0';
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reverse(a, j);
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return j;
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}
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size_t int64toarray(int64_t i, char *a, int r) {
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if (i < 0) {
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*a++ = '-';
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i = -(uint64_t)i;
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}
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return uint64toarray(i, a, r);
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}
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