Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <oventi.h>

int
vtParseScore(char *buf, uint n, uchar score[VtScoreSize])
{
        int i, c;

        memset(score, 0, VtScoreSize);

        if(n != VtScoreSize*2)
                return 0;
        for(i=0; i<VtScoreSize*2; i++){
                if(buf[i] >= '0' && buf[i] <= '9')
                        c = buf[i] - '0';
                else if(buf[i] >= 'a' && buf[i] <= 'f')
                        c = buf[i] - 'a' + 10;
                else if(buf[i] >= 'A' && buf[i] <= 'F')
                        c = buf[i] - 'A' + 10;
                else
                        return 0;

                if((i & 1) == 0)
                        c <<= 4;
        
                score[i>>1] |= c;
        }
        return 1;
}