b64dec: Add harness for compilation in GRUB environment

Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

diff --git a/grub-core/lib/gpgrt-int.h b/grub-core/lib/gpgrt-int.h
new file mode 100644 (file)
index 0000000..45d6358
--- /dev/null
+++ b/grub-core/lib/gpgrt-int.h
@@ -0,0 +1,24 @@
+#include <grub/crypto.h>
+
+struct _gpgrt_b64state
+{
+  int idx;
+  int quad_count;
+  char *title;
+  unsigned char radbuf[4];
+  unsigned int crc;
+  gpg_err_code_t lasterr;
+  unsigned int flags;
+  unsigned int stop_seen:1;
+  unsigned int invalid_encoding:1;
+  unsigned int using_decoder:1;
+};
+
+#define _gpgrt_b64dec_start gpgrt_b64dec_start
+#define xtrystrdup grub_strdup
+#define xtrycalloc grub_calloc
+#define xfree grub_free
+#define _gpgrt_b64dec_finish gpgrt_b64dec_finish
+#define gpgrt_assert(expr) ((expr)? (void)0 \
+         : _gcry_assert_failed (#expr, __FILE__, __LINE__, __FUNCTION__))
+#define _gpgrt_b64dec_proc gpgrt_b64dec_proc