summaryrefslogtreecommitdiff
path: root/t/helper/test-hexdump.c
blob: 811e89c1bcb0289e63588c2dbb801f34982cbc56 (plain)
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
#include "test-tool.h"
#include "git-compat-util.h"
 
/*
 * Read stdin and print a hexdump to stdout.
 */
int cmd__hexdump(int argc, const char **argv)
{
	char buf[1024];
	ssize_t i, len;
	int have_data = 0;
 
	for (;;) {
		len = xread(0, buf, sizeof(buf));
		if (len < 0)
			die_errno("failure reading stdin");
		if (!len)
			break;
 
		have_data = 1;
 
		for (i = 0; i < len; i++)
			printf("%02x ", (unsigned char)buf[i]);
	}
 
	if (have_data)
		putchar('\n');
 
	return 0;
}