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STATIC uint8_t readmove(char);
STATIC uint8_t readmodifier(char);
STATIC int writemoves(uint8_t *, int, char *);
STATIC uint8_t
readmove(char c)
{
switch (c) {
case 'U':
return MOVE_U;
case 'D':
return MOVE_D;
case 'R':
return MOVE_R;
case 'L':
return MOVE_L;
case 'F':
return MOVE_F;
case 'B':
return MOVE_B;
default:
return UINT8_ERROR;
}
}
STATIC uint8_t
readmodifier(char c)
{
switch (c) {
case '1': /* Fallthrough */
case '2': /* Fallthrough */
case '3':
return c - '0' - 1;
case '\'':
return 2;
default:
return 0;
}
}
STATIC int
writemoves(uint8_t *m, int n, char *buf)
{
int i;
size_t len;
const char *s;
char *b;
for (i = 0, b = buf; i < n; i++, b++) {
s = movestr[m[i]];
len = strlen(s);
memcpy(b, s, len);
b += len;
*b = ' ';
}
if (b != buf)
b--; /* Remove last space */
*b = '\0';
return b - buf;
}
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