1 files changed, 30 insertions, 0 deletions
diff --git a/get-tar-commit-id.c b/get-tar-commit-id.c
new file mode 100644
index 0000000..4166290
--- /dev/null
+++ b/get-tar-commit-id.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2005 Rene Scharfe
+ */
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#define HEADERSIZE	1024
+
+int main(int argc, char **argv)
+{
+	char buffer[HEADERSIZE];
+	ssize_t n;
+
+	n = read(0, buffer, HEADERSIZE);
+	if (n < HEADERSIZE) {
+		fprintf(stderr, "read error\n");
+		return 3;
+	}
+	if (buffer[156] != 'g')
+		return 1;
+	if (memcmp(&buffer[512], "52 comment=", 11))
+		return 1;
+	n = write(1, &buffer[523], 41);
+	if (n < 41) {
+		fprintf(stderr, "write error\n");
+		return 2;
+	}
+	return 0;
+}