ref: 0504f7c9d7d468160718f293a69d3b7a148fa0b8
dir: /llt/int2str.c/
#include "llt.h"
char *
uint2str(char *dest, size_t len, uint64_t num, uint32_t base)
{
int i = len-1;
uint64_t b = (uint64_t)base;
char ch;
dest[i--] = '\0';
while(i >= 0){
ch = (char)(num % b);
if(ch < 10)
ch += '0';
else
ch = ch-10+'a';
dest[i--] = ch;
num /= b;
if(num == 0)
break;
}
return &dest[i+1];
}
int
isdigit_base(char c, int base)
{
if(base < 11)
return c >= '0' && c < '0'+base;
return (c >= '0' && c <= '9') || (c >= 'a' && c < 'a'+base-10) || (c >= 'A' && c < 'A'+base-10);
}