| 1 | /* anytostr.c -- convert integers to printable strings
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| 2 |
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| 3 | Copyright (C) 2001, 2006, 2008-2012 Free Software Foundation, Inc.
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| 4 |
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| 5 | This program is free software: you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation; either version 3 of the License, or
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| 8 | (at your option) any later version.
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| 9 |
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| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */
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| 17 |
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| 18 | /* Written by Paul Eggert */
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| 19 |
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| 20 | /* Tell gcc not to warn about the (i < 0) test, below. */
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| 21 | #if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
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| 22 | # pragma GCC diagnostic ignored "-Wtype-limits"
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| 23 | #endif
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| 24 |
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| 25 | #include <config.h>
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| 26 |
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| 27 | #include "inttostr.h"
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| 28 |
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| 29 | /* Convert I to a printable string in BUF, which must be at least
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| 30 | INT_BUFSIZE_BOUND (INTTYPE) bytes long. Return the address of the
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| 31 | printable string, which need not start at BUF. */
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| 32 |
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| 33 | char * __attribute_warn_unused_result__
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| 34 | anytostr (inttype i, char *buf)
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| 35 | {
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| 36 | char *p = buf + INT_STRLEN_BOUND (inttype);
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| 37 | *p = 0;
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| 38 |
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| 39 | if (i < 0)
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| 40 | {
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| 41 | do
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| 42 | *--p = '0' - i % 10;
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| 43 | while ((i /= 10) != 0);
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| 44 |
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| 45 | *--p = '-';
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| 46 | }
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| 47 | else
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| 48 | {
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| 49 | do
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| 50 | *--p = '0' + i % 10;
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| 51 | while ((i /= 10) != 0);
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| 52 | }
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| 53 |
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| 54 | return p;
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| 55 | }
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