58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
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/* anytostr.c -- convert integers to printable strings
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Copyright (C) 2001, 2006, 2008-2020 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Paul Eggert */
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/* Tell gcc not to warn about the (i < 0) test, below. */
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#if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
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# pragma GCC diagnostic ignored "-Wtype-limits"
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#elif defined __clang__
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# pragma clang diagnostic ignored "-Wtautological-compare"
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#endif
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#include <config.h>
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#include "inttostr.h"
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/* Convert I to a printable string in BUF, which must be at least
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INT_BUFSIZE_BOUND (INTTYPE) bytes long. Return the address of the
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printable string, which need not start at BUF. */
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char * __attribute_warn_unused_result__
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anytostr (inttype i, char *buf)
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{
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char *p = buf + INT_STRLEN_BOUND (inttype);
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*p = 0;
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if (i < 0)
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{
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do
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*--p = '0' - i % 10;
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while ((i /= 10) != 0);
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*--p = '-';
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}
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else
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{
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do
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*--p = '0' + i % 10;
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while ((i /= 10) != 0);
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}
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return p;
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}
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