First commit

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

1 files changed, 46 insertions, 0 deletions

diff --git a/librecrypt_get_encoding.c b/librecrypt_get_encoding.c
new file mode 100644
index 0000000..dd5d33d
--- /dev/null
+++ b/librecrypt_get_encoding.c
@@ -0,0 +1,46 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+const void *
+librecrypt_get_encoding(const char *settings, size_t len, char *pad_out, int *strict_pad_out, int decoding)
+{
+	size_t i, start = 0u;
+	const struct algorithm *algo;
+
+	for (i = 0u; i < len; i++)
+		if (settings[i] == LIBRECRYPT_ALGORITHM_LINK_DELIMITER)
+			start = i + 1u;
+	settings = &settings[start];
+	len -= start;
+
+	algo = librecrypt_find_first_algorithm_(settings, len);
+	if (!algo) {
+		errno = ENOSYS;
+		return NULL;
+	}
+
+	*pad_out = algo->pad;
+	*strict_pad_out = algo->strict_pad;
+	if (decoding)
+		return algo->decoding_lut;
+	else
+		return algo->encoding_lut;
+}
+
+
+#else
+
+
+int
+main(void)
+{
+	SET_UP_ALARM();
+
+	return 0;
+}
+
+
+#endif
+/* TODO test */