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-rw-r--r--mysql/libmariadb/ma_ll2str.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/mysql/libmariadb/ma_ll2str.c b/mysql/libmariadb/ma_ll2str.c
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+++ b/mysql/libmariadb/ma_ll2str.c
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+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+ 2016 MariaDB Corporation AB
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this library; if not, write to the Free
+ Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ MA 02111-1301, USA */
+
+#include <ma_global.h>
+#include "ma_string.h"
+#include <ctype.h>
+
+char NEAR _dig_vec[] =
+ "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+#define char_val(X) (X >= '0' && X <= '9' ? X-'0' :\
+ X >= 'A' && X <= 'Z' ? X-'A'+10 :\
+ X >= 'a' && X <= 'z' ? X-'a'+10 :\
+ '\177')
+
+char *ma_ll2str(long long val,char *dst,int radix)
+{
+ char buffer[65];
+ register char *p;
+ long long_val;
+
+ if (radix < 0)
+ {
+ if (radix < -36 || radix > -2) return (char*) 0;
+ if (val < 0) {
+ *dst++ = '-';
+ val = 0ULL - val;
+ }
+ radix = -radix;
+ }
+ else
+ {
+ if (radix > 36 || radix < 2) return (char*) 0;
+ }
+ if (val == 0)
+ {
+ *dst++='0';
+ *dst='\0';
+ return dst;
+ }
+ p = &buffer[sizeof(buffer)-1];
+ *p = '\0';
+
+ while ((ulonglong) val > (ulonglong) LONG_MAX)
+ {
+ ulonglong quo=(ulonglong) val/(uint) radix;
+ uint rem= (uint) (val- quo* (uint) radix);
+ *--p = _dig_vec[rem];
+ val= quo;
+ }
+ long_val= (long) val;
+ while (long_val != 0)
+ {
+ long quo= long_val/radix;
+ *--p = _dig_vec[(uchar) (long_val - quo*radix)];
+ long_val= quo;
+ }
+ while ((*dst++ = *p++) != 0) ;
+ return dst-1;
+}