12 #define getpid GetCurrentProcessId
21 static const char letters[] =
22 "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
24 static uint64_t value;
26 const unsigned int ATTEMPTS_MIN = (62 * 62 * 62);
28 if (tmpl.length() < 6 || !tmpl.endsWith("XXXXXX"))
33 uint64_t random_time_bits = time(NULL);
35 value += (random_time_bits ^ getpid());
38 for (count = 0; count < ATTEMPTS_MIN; value += 7777, ++count)
42 XXXXXX.append(letters[v % 62]);
44 XXXXXX.append(letters[v % 62]);
46 XXXXXX.append(letters[v % 62]);
48 XXXXXX.append(letters[v % 62]);
50 XXXXXX.append(letters[v % 62]);
52 XXXXXX.append(letters[v % 62]);
54 tmpl.replace(tmpl.length()-6,6,XXXXXX);
58 if (dir.mkpath(tmpl)){