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
|
#include "test-tool.h"
#include "git-compat-util.h"
int cmd__csprng(int argc, const char **argv)
{
unsigned long count;
unsigned char buf[1024];
if (argc > 2) {
fprintf(stderr, "usage: %s [<size>]\n", argv[0]);
return 2;
}
count = (argc == 2) ? strtoul(argv[1], NULL, 0) : ULONG_MAX;
while (count) {
unsigned long chunk = count < sizeof(buf) ? count : sizeof(buf);
if (csprng_bytes(buf, chunk, 0) < 0) {
perror("failed to read");
return 5;
}
if (fwrite(buf, chunk, 1, stdout) != chunk)
return 1;
count -= chunk;
}
return 0;
}
|
