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Add swap function

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Diadlo 2017-06-01 23:56:06 +03:00
commit 0d6efda1d2
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1 changed files with 12 additions and 12 deletions
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24
hydra.c
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@ -1771,6 +1771,14 @@ void hydra_increase_fail_count(int target_no, int head_no) {
} }
} }
void swap_chars(char* a, char* b)
{
unsigned char keep;
keep = *a;
*a = *b;
*b = keep;
}
char *hydra_reverse_login(int head_no, char *login) { char *hydra_reverse_login(int head_no, char *login) {
int i, j; int i, j;
char *start, *pos; char *start, *pos;
@ -1793,25 +1801,17 @@ char *hydra_reverse_login(int head_no, char *login) {
while(start < --pos) { while(start < --pos) {
switch( (*pos & 0xF0) >> 4 ) { switch( (*pos & 0xF0) >> 4 ) {
case 0xF: /* U+010000-U+10FFFF: four bytes. */ case 0xF: /* U+010000-U+10FFFF: four bytes. */
keep = *pos; swap(pos, pos - 3);
*pos = *(pos-3); swap(pos - 1, pos - 2);
*(pos-3) = keep;
keep = *(pos-1);
*(pos-1) = *(pos-2);
*(pos-2) = keep;
pos -= 3; pos -= 3;
break; break;
case 0xE: /* U+000800-U+00FFFF: three bytes. */ case 0xE: /* U+000800-U+00FFFF: three bytes. */
keep = *pos; swap(pos, pos - 2);
*pos = *(pos-2);
*(pos-2) = keep;
pos -= 2; pos -= 2;
break; break;
case 0xC: /* fall-through */ case 0xC: /* fall-through */
case 0xD: /* U+000080-U+0007FF: two bytes. */ case 0xD: /* U+000080-U+0007FF: two bytes. */
keep = *pos; swap(pos, pos - 1);
*pos = *(pos-1);
*(pos-1) = keep;
pos--; pos--;
break; break;
} }