cmd/cmd_rand_libc.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

#include "cmd_rand_libc.h"


void *cmd_rand_libc(void *data)
{
	char *ret = NULL;
	int fret=-1;

	const int buf_size = 128;
	char buf[buf_size+1];

	printf("RAND LIBC\n");

	int i;
	int count;
	int rand_val;
	sds params;
	sds out_result;
	sds *tokens;

	if (data == NULL)
	{
		rand_val = rand();
		snprintf(buf, buf_size, "%d", rand_val);
	} else {
		//cut output to 512
		char str_integer[16];
		int rand_state;

		params = sdsnew(data);
		out_result = sdsempty();
		tokens = sdssplitargs(params, &count);
		for (i=0;i<count;i++)
		{
			rand_state = atoi(tokens[i]);
			snprintf(str_integer, 16, "%d ", rand_r(&rand_state));
			out_result = sdscat(out_result, str_integer);
		}
		out_result = sdscat(out_result,"\n");
		snprintf(buf, buf_size, "%s", out_result);

		sdsfree(params);
		sdsfree(out_result);
		sdsfreesplitres(tokens, count);
	}

	ret = alloc_new_str(buf);

	return ret;
}