diff options
author | Jeff Hostetler <jeffhost@microsoft.com> | 2022-05-27 00:47:20 +0300 |
---|---|---|
committer | Junio C Hamano <gitster@pobox.com> | 2022-05-27 01:59:27 +0300 |
commit | 9915e08f9bc4122a1d49101fff43be20a2ea6cb5 (patch) | |
tree | 8e823feff247e1ff0eb3f89bcd25a038b1c8e5d3 /t/helper | |
parent | d6d58ff8abd382226980f00360e12e4bf91456e4 (diff) |
t/helper/hexdump: add helper to print hexdump of stdin
Co-authored-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/helper')
-rw-r--r-- | t/helper/test-hexdump.c | 30 | ||||
-rw-r--r-- | t/helper/test-tool.c | 1 | ||||
-rw-r--r-- | t/helper/test-tool.h | 1 |
3 files changed, 32 insertions, 0 deletions
diff --git a/t/helper/test-hexdump.c b/t/helper/test-hexdump.c new file mode 100644 index 0000000000..811e89c1bc --- /dev/null +++ b/t/helper/test-hexdump.c @@ -0,0 +1,30 @@ +#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; +} diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c index 0424f7adf5..88c4b28cdf 100644 --- a/t/helper/test-tool.c +++ b/t/helper/test-tool.c @@ -38,6 +38,7 @@ static struct test_cmd cmds[] = { { "getcwd", cmd__getcwd }, { "hashmap", cmd__hashmap }, { "hash-speed", cmd__hash_speed }, + { "hexdump", cmd__hexdump }, { "index-version", cmd__index_version }, { "json-writer", cmd__json_writer }, { "lazy-init-name-hash", cmd__lazy_init_name_hash }, diff --git a/t/helper/test-tool.h b/t/helper/test-tool.h index c876e8246f..511f6251bf 100644 --- a/t/helper/test-tool.h +++ b/t/helper/test-tool.h @@ -29,6 +29,7 @@ int cmd__genzeros(int argc, const char **argv); int cmd__getcwd(int argc, const char **argv); int cmd__hashmap(int argc, const char **argv); int cmd__hash_speed(int argc, const char **argv); +int cmd__hexdump(int argc, const char **argv); int cmd__index_version(int argc, const char **argv); int cmd__json_writer(int argc, const char **argv); int cmd__lazy_init_name_hash(int argc, const char **argv); |