| 1 | #include "test-tool.h" |
| 2 | #include "git-compat-util.h" |
| 3 | |
| 4 | /* |
| 5 | * Read stdin and print a hexdump to stdout. |
| 6 | */ |
| 7 | int cmd__hexdump(int argc UNUSED, const char **argv UNUSED) |
| 8 | { |
| 9 | char buf[1024]; |
| 10 | ssize_t i, len; |
| 11 | int have_data = 0; |
| 12 | |
| 13 | for (;;) { |
| 14 | len = xread(0, buf, sizeof(buf)); |
| 15 | if (len < 0) |
| 16 | die_errno("failure reading stdin"); |
| 17 | if (!len) |
| 18 | break; |
| 19 | |
| 20 | have_data = 1; |
| 21 | |
| 22 | for (i = 0; i < len; i++) |
| 23 | printf("%02x ", (unsigned char)buf[i]); |
| 24 | } |
| 25 | |
| 26 | if (have_data) |
| 27 | putchar('\n'); |
| 28 | |
| 29 | return 0; |
| 30 | } |