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-rw-r--r--t/helper/test-hexdump.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/t/helper/test-hexdump.c b/t/helper/test-hexdump.c
new file mode 100644
index 0000000..811e89c
--- /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;
+}