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#include "stdinc.h"
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#include "dat.h"
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#include "fns.h"
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u8int zeroscore[VtScoreSize];
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/* Call this function to force linking of score.o for zeroscore on OS X */
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void needzeroscore(void) { }
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void
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scoremem(u8int *score, u8int *buf, int n)
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{
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	DigestState s;
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	memset(&s, 0, sizeof s);
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	sha1(buf, n, score, &s);
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}
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static int
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hexv(int c)
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{
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	if(c >= '0' && c <= '9')
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		return c - '0';
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	if(c >= 'a' && c <= 'f')
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		return c - 'a' + 10;
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	if(c >= 'A' && c <= 'F')
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		return c - 'A' + 10;
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	return -1;
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}
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int
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strscore(char *s, u8int *score)
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{
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	int i, c, d;
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	for(i = 0; i < VtScoreSize; i++){
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		c = hexv(s[2 * i]);
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		if(c < 0)
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			return -1;
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		d = hexv(s[2 * i + 1]);
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		if(d < 0)
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			return -1;
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		score[i] = (c << 4) + d;
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	}
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	return s[2 * i] == '\0';
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}