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/*
* Copyright 2001-2004 Brandon Long
* All Rights Reserved.
*
* ClearSilver Templating System
*
* This code is made available under the terms of the ClearSilver License.
* http://www.clearsilver.net/license.hdf
*
*/
#include "cs_config.h"
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <string.h>
#include "neo_misc.h"
#include "neo_err.h"
#include "neo_rand.h"
#include "ulist.h"
static int RandomInit = 0;
void neo_seed_rand (long int seed)
{
#ifdef HAVE_DRAND48
srand48(seed);
#elif HAVE_RANDOM
srandom(seed);
#else
srand(seed);
#endif
RandomInit = 1;
}
int neo_rand (int max)
{
int r;
if (RandomInit == 0)
{
neo_seed_rand (time(NULL));
}
#ifdef HAVE_DRAND48
r = drand48() * max;
#elif HAVE_RANDOM
r = random() * max;
#else
r = rand() * max;
#endif
return r;
}
int neo_rand_string (char *s, int max)
{
int size;
int x = 0;
size = neo_rand(max-1);
for (x = 0; x < size; x++)
{
s[x] = (char)(32 + neo_rand(127-32));
if (s[x] == '/') s[x] = ' ';
}
s[x] = '\0';
return 0;
}
static ULIST *Words = NULL;
int neo_rand_word (char *s, int max)
{
NEOERR *err;
int x;
char *word;
if (Words == NULL)
{
FILE *fp;
char buf[256];
err = uListInit(&Words, 40000, 0);
if (err)
{
nerr_log_error(err);
return -1;
}
fp = fopen ("/usr/dict/words", "r");
if (fp == NULL) {
fp = fopen ("/usr/share/dict/words", "r");
if (fp == NULL) {
ne_warn("Unable to find dict/words file (looked in /usr/dict/words and /usr/share/dict/words)");
return -1;
}
}
while (fgets (buf, sizeof(buf), fp) != NULL)
{
x = strlen (buf);
if (buf[x-1] == '\n')
buf[x-1] = '\0';
uListAppend(Words, strdup(buf));
}
fclose (fp);
}
x = neo_rand (uListLength(Words));
uListGet(Words, x, (void *)&word);
strncpy (s, word, max);
s[max-1] = '\0';
return 0;
}
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