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/*
Copyright (C) 2008 Andreas Baumann <abaumann@yahoo.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "port/stdlib.h"
#if !defined HAVE_ITOA || defined TEST_ITOA
#include "port/string.h" /* for strlen */
static void reverse( char *s ) {
int i, j;
char c;
for( i = 0, j = (int)strlen( s )-1; i<j; i++, j-- ) {
c = s[i];
s[i] = s[j];
s[j] = c;
}
}
char *wolf_port_itoa( int value, char *string, int radix ) {
int sign;
int i;
int digit;
/* remember sign and make value positive */
sign = value;
if( sign < 0 ) {
value = -value;
}
i = 0;
do {
digit = value % radix;
value = value / radix;
if( digit < 10 ) {
string[i++] = (char)( digit + '0' );
} else {
string[i++] = (char)( digit - 10 + 'A' );
}
} while( value > 0 );
if( sign < 0 ) {
string[i++] = '-';
}
string[i] = '\0';
reverse( string );
return string;
}
#endif /* !defined HAVE_ITOA || defined TEST_ITOA */
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