Introduce librecrypt_concat_*_

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 41 insertions, 0 deletions

diff --git a/librecrypt_concat_uint_.c b/librecrypt_concat_uint_.c
new file mode 100644
index 0000000..a492e0b
--- /dev/null
+++ b/librecrypt_concat_uint_.c
@@ -0,0 +1,41 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+#include <stdio.h>
+
+/* TODO use of sprintf(3) should be eliminated;
+ *      this will make it easier to use in an unhosted environment (kernels)
+ *      and make_settings will be AS-Safe,
+ *      however librecrypt_add_algorithm will not be AS-Safe as hash
+ *         functions may require memory allocations which is AS-Unsafe
+ */
+
+
+void
+librecrypt_concat_uint_(struct concat_state *state, uintmax_t value)
+{
+	char buf[3u * sizeof(uintmax_t) + 1u];
+	int len = sprintf(buf, "%ju", value);
+        if (len < 1)
+		abort(); /* $covered$ (impossible reliably) */
+	librecrypt_concat_mem_(state, buf, (size_t)len);
+}
+
+
+#else
+
+
+int
+main(void)
+{
+	SET_UP_ALARM();
+	INIT_RESOURCE_TEST();
+
+	/* TODO test */
+
+	STOP_RESOURCE_TEST();
+	return 0;
+}
+
+
+#endif