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Code Issues Releases Wiki Activity

Minor tweak to prefix case-enumerator

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This commit is contained in:
samr7 2012-08-17 15:13:31 -07:00
parent af42e55a22
commit 9c6fae2965
1 changed files with 7 additions and 4 deletions
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11
pattern.c
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@ -1145,9 +1145,9 @@ static const unsigned char b58_case_map[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 105, 1, 1, 0, 1, 1, 111,
0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 0, 1, 1, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 76, 1, 1, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 2, 1, 1, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
};
@ -1162,13 +1162,16 @@ prefix_case_iter_init(prefix_case_iter_t *cip, const char *pfx)
if (i > sizeof(cip->ci_prefix))
return 0;
if (!b58_case_map[(int)pfx[i]]) {
/* Character isn't case-swappable, ignore it */
cip->ci_prefix[i] = pfx[i];
continue;
}
if (b58_case_map[(int)pfx[i]] > 1) {
cip->ci_prefix[i] = b58_case_map[(int)pfx[i]];
if (b58_case_map[(int)pfx[i]] == 2) {
/* Character invalid, but valid in swapped case */
cip->ci_prefix[i] = pfx[i] ^ 0x20;
continue;
}
/* Character is case-swappable */
cip->ci_prefix[i] = pfx[i] | 0x20;
cip->ci_case_map[(int)cip->ci_nbits] = i;
cip->ci_nbits++;