#define UUID_CHARS (UUID_BYTES * 2)
#define UUID_LENGTH (UUID_CHARS + 4)
-char *getUUID(void)
+static unsigned int uuid_random_function(int max)
+{
+ return GetBetterRandom(max);
+}
+
+char *getUUIDExt(unsigned int (*random_function)(int max))
{
static char uuid[UUID_LENGTH + 1];
int data[UUID_BYTES];
int i;
for (i = 0; i < UUID_BYTES; i++)
- data[i] = GetSimpleRandom(256);
+ data[i] = random_function(256);
data[6] = 0x40 | (data[6] & 0x0f);
data[8] = 0x80 | (data[8] & 0x3f);
return uuid;
}
+char *getUUID(void)
+{
+ return getUUIDExt(uuid_random_function);
+}
+
// ----------------------------------------------------------------------------
// counter functions
// random generator functions
// ----------------------------------------------------------------------------
-unsigned int init_random_number(int nr, int seed)
+static unsigned int init_random_number_ext(int nr, int seed)
{
if (seed == NEW_RANDOMIZE)
{
return (unsigned int) seed;
}
+static unsigned int prng_seed_gettimeofday(void)
+{
+ struct timeval current_time;
+
+ gettimeofday(¤t_time, NULL);
+
+ prng_seed_bytes(¤t_time, sizeof(current_time));
+
+ return 0;
+}
+
+unsigned int init_random_number(int nr, int seed)
+{
+ return (nr == RANDOM_BETTER ? prng_seed_gettimeofday() :
+ init_random_number_ext(nr, seed));
+}
+
+static unsigned int get_random_number_ext(int nr)
+{
+ return (nr == RANDOM_BETTER ? prng_get_uint() :
+ random_linux_libc(nr));
+}
+
unsigned int get_random_number(int nr, int max)
{
- return (max > 0 ? random_linux_libc(nr) % max : 0);
+ return (max > 0 ? get_random_number_ext(nr) % max : 0);
}
int get_integer_from_string(char *s)
{
- static char *number_text[][3] =
- {
- { "0", "zero", "null", },
- { "1", "one", "first" },
- { "2", "two", "second" },
- { "3", "three", "third" },
- { "4", "four", "fourth" },
- { "5", "five", "fifth" },
- { "6", "six", "sixth" },
- { "7", "seven", "seventh" },
- { "8", "eight", "eighth" },
- { "9", "nine", "ninth" },
- { "10", "ten", "tenth" },
- { "11", "eleven", "eleventh" },
- { "12", "twelve", "twelfth" },
-
- { NULL, NULL, NULL },
- };
+ // check for the most common case first
+ if (s[0] >= '0' && s[0] <= '9')
+ return atoi(s);
- int i, j;
char *s_lower = getStringToLower(s);
int result = -1;
- for (i = 0; number_text[i][0] != NULL; i++)
- for (j = 0; j < 3; j++)
- if (strEqual(s_lower, number_text[i][j]))
- result = i;
-
- if (result == -1)
- {
- if (strEqual(s_lower, "false") ||
- strEqual(s_lower, "no") ||
- strEqual(s_lower, "off"))
- result = 0;
- else if (strEqual(s_lower, "true") ||
- strEqual(s_lower, "yes") ||
- strEqual(s_lower, "on"))
- result = 1;
- else
- result = atoi(s);
- }
+ if (strEqual(s_lower, "false") ||
+ strEqual(s_lower, "no") ||
+ strEqual(s_lower, "off"))
+ result = 0;
+ else if (strEqual(s_lower, "true") ||
+ strEqual(s_lower, "yes") ||
+ strEqual(s_lower, "on"))
+ result = 1;
+ else
+ result = atoi(s);
free(s_lower);